Update of /cvsroot/pure-data/doc/pddp In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv11542
Modified Files: TODO all_about_hid.pd all_about_hid_mapping.pd help-operators.pd help-otherbinops.pd help-spigot.pd Log Message: some updates to make things fit on the page in Mac OS X; updated some details for Pd 0.38-4
Index: all_about_hid_mapping.pd =================================================================== RCS file: /cvsroot/pure-data/doc/pddp/all_about_hid_mapping.pd,v retrieving revision 1.5 retrieving revision 1.6 diff -C2 -d -r1.5 -r1.6 *** all_about_hid_mapping.pd 19 Dec 2004 18:22:45 -0000 1.5 --- all_about_hid_mapping.pd 18 Apr 2005 00:33:26 -0000 1.6 *************** *** 1,3 **** ! #N canvas 304 56 880 562 10; #N canvas 0 22 450 300 graph1 0; #X array cuberoot 100 float 0; --- 1,3 ---- ! #N canvas 304 56 896 578 10; #N canvas 0 22 450 300 graph1 0; #X array cuberoot 100 float 0; *************** *** 87,91 **** 18 -233017 -66577 0; #X obj 821 3 pddp; ! #X obj 156 329 hid_graph; #X obj 9 102 notescale; #X obj 653 104 pow 3; --- 87,91 ---- 18 -233017 -66577 0; #X obj 821 3 pddp; ! #X obj 209 398 hid_graph; #X obj 9 102 notescale; #X obj 653 104 pow 3; *************** *** 107,119 **** #X obj 9 213 buttongate; #X obj 88 213 keygate; ! #X text 341 393 - CURVE TEXT IDEAS; ! #X text 370 419 - amplitude is generally perceived on a logarithmic scale; #X obj 9 124 hid_invert; ! #X text 22 500 (C) Copyright 2004 Hans-Christoph Steiner hans@at.or.at ; ! #X text 239 514 released under the GNU GPL; ! #X text 445 501 $Revision$$Date$; ! #X text 446 514 $Author$; #X obj 88 167 hid_average; #X text 1 83 SCALING AND RANGING; --- 107,119 ---- #X obj 9 213 buttongate; #X obj 88 213 keygate; ! #X text 341 423 - CURVE TEXT IDEAS; ! #X text 370 449 - amplitude is generally perceived on a logarithmic scale; #X obj 9 124 hid_invert; ! #X text 22 530 (C) Copyright 2004 Hans-Christoph Steiner hans@at.or.at ; ! #X text 239 544 released under the GNU GPL; ! #X text 445 531 $Revision$$Date$; ! #X text 446 544 $Author$; #X obj 88 167 hid_average; #X text 1 83 SCALING AND RANGING; *************** *** 126,129 **** #X obj 94 262 hid_one2three; #X text 379 30 CURVES; ! #X text 371 443 - pitch is perceived on logarithmic scale; ! #X text 371 466 - many sensors work best on other curves; --- 126,142 ---- #X obj 94 262 hid_one2three; #X text 379 30 CURVES; ! #X text 371 473 - pitch is perceived on logarithmic scale; ! #X text 371 496 - many sensors work best on other curves; ! #X text 1 286 POLAR COORDINATES; ! #X obj 84 303 hid_degrees; ! #X obj 9 303 hid_polar; ! #X obj 174 303 hid_spiral; ! #X obj 10 350 hid2rad; ! #X obj 130 350 hid2deg; ! #X obj 70 350 rad2hid; ! #X obj 190 350 deg2hid; ! #X text 1 330 ANGLE CONVERSIONS; ! #X text 474 386 Objects that start with "hid_" accept input data in ! the range of 0-1 and output data in the same range , allowing you ! to chain as many of these objects together without thinking about scaling ! the resulting data with each step.;
Index: all_about_hid.pd =================================================================== RCS file: /cvsroot/pure-data/doc/pddp/all_about_hid.pd,v retrieving revision 1.3 retrieving revision 1.4 diff -C2 -d -r1.3 -r1.4 *** all_about_hid.pd 28 Nov 2004 23:58:40 -0000 1.3 --- all_about_hid.pd 18 Apr 2005 00:33:26 -0000 1.4 *************** *** 1,3 **** ! #N canvas 281 174 864 594 10; #X obj 5 2 cnv 15 850 20 empty empty all_about_hid 20 10 1 18 -233017 -66577 0; --- 1,3 ---- ! #N canvas 136 163 868 598 10; #X obj 5 2 cnv 15 850 20 empty empty all_about_hid 20 10 1 18 -233017 -66577 0; *************** *** 10,20 **** #X obj 595 437 gemmouse; #X text 0 214 KEYBOARDS; ! #X obj 34 233 key; ! #X obj 66 233 keyup; #X obj 431 437 gemkeyboard; #X obj 659 437 gemtablet; #X obj 730 437 gemorb; #X obj 517 437 gemkeyname; ! #X obj 111 233 keyname; #X text 16 557 (C) Copyright 2004 Hans-Christoph Steiner hans@at.or.at ; --- 10,20 ---- #X obj 595 437 gemmouse; #X text 0 214 KEYBOARDS; ! #X obj 11 233 key; ! #X obj 43 233 keyup; #X obj 431 437 gemkeyboard; #X obj 659 437 gemtablet; #X obj 730 437 gemorb; #X obj 517 437 gemkeyname; ! #X obj 88 233 keyname; #X text 16 557 (C) Copyright 2004 Hans-Christoph Steiner hans@at.or.at ; *************** *** 22,26 **** #X text 429 558 $Revision$$Date$; #X text 430 571 $Author$; ! #N canvas 0 22 643 447 deprecated 0; #X text 35 38 The use of these objects is deprecated since the functionality that they provide is available in the [hid] object , which is a unified --- 22,26 ---- #X text 429 558 $Revision$$Date$; #X text 430 571 $Author$; ! #N canvas 0 22 647 451 deprecated 0; #X text 35 38 The use of these objects is deprecated since the functionality that they provide is available in the [hid] object , which is a unified *************** *** 113,117 **** ; #X text 3 453 PLATFORM-SPECIFIC HID OBJECTS; ! #X obj 90 528 linuxmouse; #X text 15 470 To get full access to some devices , you need to use the platform-specific objects. The objects have dummy versions on the --- 113,117 ---- ; #X text 3 453 PLATFORM-SPECIFIC HID OBJECTS; ! #X obj 254 527 linuxmouse; #X text 15 470 To get full access to some devices , you need to use the platform-specific objects. The objects have dummy versions on the *************** *** 123,126 **** to the 'printing' characters. [keyname] reports Shift , Ctrl , Alt , Meta , etc.; ! #X obj 12 528 linuxhid; #X text 435 216 USB mice on Windows or MacOS X; --- 123,128 ---- to the 'printing' characters. [keyname] reports Shift , Ctrl , Alt , Meta , etc.; ! #X obj 12 527 linuxhid; #X text 435 216 USB mice on Windows or MacOS X; + #X obj 85 527 darwinhid; + #X obj 166 527 windowshid;
Index: help-spigot.pd =================================================================== RCS file: /cvsroot/pure-data/doc/pddp/help-spigot.pd,v retrieving revision 1.2 retrieving revision 1.3 diff -C2 -d -r1.2 -r1.3 *** help-spigot.pd 9 Oct 2004 05:01:05 -0000 1.2 --- help-spigot.pd 18 Apr 2005 00:33:26 -0000 1.3 *************** *** 1,119 **** ! #N canvas 94 12 862 647 10; ! #X msg 16 96 0.5 1000; ! #X floatatom 47 160 1 0 0; ! #X obj 16 177 spigot; ! #X obj 16 198 print; ! #X msg 28 136 walk the cat; ! #X msg 22 116 bang; ! #X obj 35 11 spigot; ! #X text 83 11 - pass or block messages; ! #X text 72 160 control: nonzero to pass messages , zero to stop them ! ; ! #X text 12 294 USING [SPIGOT] TO CREATE A GATE.; ! #X text 15 309 Unlike its closest cousin MAX , PD does not have a ! native [gate] object. There are other PD libraries which include gates ! for both audio and numerical data , but similar routines can be built ! in PD using [spigot]. The example below shows a two-way gate using ! two [spigots] and the [expr] object.; ! #X obj 95 505 spigot; ! #X floatatom 96 459 1 0 0; ! #X text 113 458 controls: open and close the gates.; ! #X floatatom 31 527 5 0 0; ! #X floatatom 95 527 5 0 0; ! #X obj 15 400 tgl 15 0 empty empty empty 0 -6 0 8 -262144 -1 -1 0 1 ! ; ! #X obj 15 418 metro 200; ! #X obj 15 439 f; ! #X obj 39 439 + 1; ! #X obj 126 484 expr 1-$f1; ! #X text 32 398 Click to start sending info through the gates.; ! #X obj 96 439 loadbang; ! #X text 16 38 [spigot] passes messages from its left inlet to its outlet ! , as long as a nonzero number is sent to its right inlet. When its ! right inlet gets zero , incoming messages are "blocked" (i.e. ignored). ! ; ! #X text 14 231 [spigot] works essentially like a doorway. When the ! door is open , messages can pass through. When the door is closed ! , messages are ignored. By default , the door is always closed!; ! #X obj 31 505 spigot; ! #X text 13 547 In the example above , the magic is created by the ! [expr] object which performs a simple calculation using the incoming ! number (1 or 0). Note that the figure "$f1" is a variable which assumes ! the value of the incoming number.; ! #X text 402 36 CREATION ARGUMENTS?; ! #X obj 416 98 spigot 0; ! #X text 404 196 [SPIGOT] FOR AUDIO SIGNALS?; ! #X text 417 213 [spigot] does not work with audio signals. The data ! types which are accepted by this object are floats , symbols , lists ! , bangs , anythings and pointers. However , audio signals require ! a completely different treatment.; ! #X text 414 265 PD does not have a [spigot] for audio signals , but ! the same effect can be created using the following structure:; ! #X obj 418 312 osc~ 800; ! #X obj 386 15 bng 15 250 50 0 empty empty empty 0 -6 0 8 -262144 -1 ! -1; ! #X obj 386 596 bng 15 250 50 0 empty empty empty 0 -6 0 8 -262144 -1 ! -1; ! #X obj 418 369 *~; ! #X floatatom 431 352 1 0 0; ! #X obj 400 447 env~; ! #X floatatom 400 468 5 0 0; ! #X msg 628 341 ; pd dsp $1 ;; ! #X obj 628 322 tgl 15 0 empty empty empty 0 -6 0 8 -262144 -1 -1 0 ! 1; ! #X obj 445 466 dac~; ! #X obj 445 446 *~ 0.05; ! #X text 645 323 Turn on audio computation first.; ! #X text 449 357 Here is the [spigot].; ! #X text 448 370 When "0" , audio signal; ! #X text 447 386 is effectively blocked.; ! #X text 448 400 When "1" , audio signal is; ! #X text 448 415 not effected in any way.; ! #X text 406 498 RELATED OBJECTS; ! #N canvas 0 0 454 304 related_objects_from_other_libraries 0; ! #X obj 40 36 gate; ! #X text 18 86 These objects are offered in PD only if you have downloaded ! and properly installed the appropriate library. These objects may or ! may not exist in a single library.; ! #X text 17 135 The best places to find information about PD's libraries ! is:; ! #X text 14 157 www.puredata.org and click on "Downloads" then "Software" ! ; ! #X text 15 173 or; ! #X text 16 187 iem.kug.ac.at/pdb/; ! #X restore 419 519 pd related_objects_from_other_libraries; ! #X text 453 574 This document was updated for PD version 0.35 test ! 26 by Dave Sabine as part of a project called pddp proposed by Krzysztof ! Czaja to build comprehensive documentation for PD.; ! #X obj 416 170 spigot cat; ! #X obj 490 170 spigot dog; ! #X text 415 119 It also accepts any symbol , but all of these are ! meaningless and have no effect on the operation of the object.; ! #X text 416 54 [spigot] only accepts one numerical creation argument: ! a zero. At creation time the [spigot] is "closed". So this creation ! argument is not needed and is rather useless.; ! #X connect 0 0 2 0; ! #X connect 1 0 2 1; ! #X connect 2 0 3 0; ! #X connect 4 0 2 0; ! #X connect 5 0 2 0; ! #X connect 11 0 15 0; ! #X connect 12 0 20 0; ! #X connect 12 0 25 1; ! #X connect 16 0 17 0; ! #X connect 17 0 18 0; ! #X connect 18 0 19 0; ! #X connect 18 0 11 0; ! #X connect 18 0 25 0; ! #X connect 19 0 18 1; ! #X connect 20 0 11 1; ! #X connect 22 0 12 0; ! #X connect 25 0 14 0; ! #X connect 32 0 35 0; ! #X connect 33 0 34 0; ! #X connect 35 0 37 0; ! #X connect 35 0 42 0; ! #X connect 36 0 35 1; ! #X connect 37 0 38 0; ! #X connect 40 0 39 0; ! #X connect 42 0 41 0; --- 1,137 ---- ! #N canvas 94 22 874 659 10; ! #X msg 8 96 0.5 1000; ! #X floatatom 38 160 1 0 0 0 - - -; ! #X obj 8 177 spigot; ! #X obj 7 198 print; ! #X msg 20 136 walk the cat; ! #X msg 13 116 bang; ! #X obj 27 11 spigot; ! #X text 75 11 - pass or block messages; ! #X text 51 160 control: nonzero to pass messages , zero to stop them ! ; ! #X text 4 294 USING [SPIGOT] TO CREATE A GATE.; ! #X text 14 312 Unlike its closest cousin MAX , PD does not have a ! native [gate] object. There are other PD libraries which include gates ! for both audio and numerical data , but similar routines can be built ! in PD using [spigot]. The example below shows a two-way gate using ! two [spigots] and the [expr] object.; ! #X obj 87 505 spigot; ! #X floatatom 88 459 1 0 0 0 - - -; ! #X text 105 458 controls: open and close the gates.; ! #X floatatom 23 527 5 0 0 0 - - -; ! #X floatatom 87 527 5 0 0 0 - - -; ! #X obj 4 400 tgl 15 0 empty empty empty 0 -6 0 8 -262144 -1 -1 0 1 ! ; ! #X obj 7 418 metro 200; ! #X obj 4 439 f; ! #X obj 31 439 + 1; ! #X obj 118 484 expr 1-$f1; ! #X text 24 398 Click to start sending info through the gates.; ! #X obj 88 439 loadbang; ! #X text 8 38 [spigot] passes messages from its left inlet to its outlet ! , as long as a nonzero number is sent to its right inlet. When its ! right inlet gets zero , incoming messages are "blocked" (i.e. ignored). ! ; ! #X text 6 231 [spigot] works essentially like a doorway. When the door ! is open , messages can pass through. When the door is closed , messages ! are ignored. By default , the door is always closed!; ! #X obj 23 505 spigot; ! #X text 5 547 In the example above , the magic is created by the [expr] ! object which performs a simple calculation using the incoming number ! (1 or 0). Note that the figure "$f1" is a variable which assumes the ! value of the incoming number.; ! #X text 447 17 CREATION ARGUMENTS?; ! #X obj 567 98 spigot 0; ! #X text 434 216 [SPIGOT] FOR AUDIO SIGNALS?; ! #X text 447 233 [spigot] does not work with audio signals. The data ! types which are accepted by this object are floats , symbols , lists ! , bangs , anythings and pointers. However , audio signals require ! a completely different treatment.; ! #X text 444 285 PD does not have a [spigot] for audio signals , but ! the same effect can be created using the following structure:; ! #X obj 458 332 osc~ 800; ! #X obj 426 15 bng 15 250 50 0 empty empty empty 0 -6 0 8 -262144 -1 ! -1; ! #X obj 426 596 bng 15 250 50 0 empty empty empty 0 -6 0 8 -262144 -1 ! -1; ! #X obj 458 389 *~; ! #X floatatom 471 372 1 0 0 0 - - -; ! #X obj 440 467 env~; ! #X floatatom 440 488 5 0 0 0 - - -; ! #X msg 598 342 ; pd dsp $1 ;; ! #X obj 598 323 tgl 15 0 empty empty empty 0 -6 0 8 -262144 -1 -1 0 ! 1; ! #X obj 485 486 dac~; ! #X obj 485 466 *~ 0.05; ! #X text 615 324 Turn on audio computation first.; ! #X text 489 377 Here is the [spigot].; ! #X text 488 390 When "0" , audio signal; ! #X text 487 406 is effectively blocked.; ! #X text 488 420 When "1" , audio signal is; ! #X text 488 435 not effected in any way.; ! #X text 446 518 RELATED OBJECTS; ! #N canvas 0 22 454 304 related_objects_from_other_libraries 0; ! #X obj 40 36 gate; ! #X text 18 86 These objects are offered in PD only if you have downloaded ! and properly installed the appropriate library. These objects may or ! may not exist in a single library.; ! #X text 17 135 The best places to find information about PD's libraries ! is:; ! #X text 14 157 www.puredata.org and click on "Downloads" then "Software" ! ; ! #X text 15 173 or; ! #X text 16 187 iem.kug.ac.at/pdb/; ! #X restore 459 539 pd related_objects_from_other_libraries; ! #X obj 456 188 spigot cat; ! #X obj 534 188 spigot dog; ! #X text 454 33 [spigot] only accepts one numerical creation argument: ! a one or a zero. At creation time the [spigot] is "closed". With a ! one , its defaults to open.; ! #X obj 635 98 spigot 1; ! #X obj 579 71 bng 15 250 50 0 empty empty empty 0 -6 0 8 -225271 -1 ! -1; ! #X obj 511 98 spigot; ! #X obj 511 116 bng 15 250 50 0 empty empty empty 0 -6 0 8 -262144 -1 ! -1; ! #X obj 567 117 bng 15 250 50 0 empty empty empty 0 -6 0 8 -262144 -1 ! -1; ! #X obj 635 117 bng 15 250 50 0 empty empty empty 0 -6 0 8 -262144 -1 ! -1; ! #X text 451 576 This document was updated for Pd version 0.38-4. It ! was edited by Dave Sabine and Hans-Christoph Steiner as part of a project ! called pddp proposed by Krzysztof Czaja to build comprehensive documentation ! for Pd.; ! #X text 455 143 [spigot] used to accept any symbol , but all of these ! are meaningless and have no effect on the operation of the object. ! This was removed in Pd 0.38-3; ! #X connect 0 0 2 0; ! #X connect 1 0 2 1; ! #X connect 2 0 3 0; ! #X connect 4 0 2 0; ! #X connect 5 0 2 0; ! #X connect 11 0 15 0; ! #X connect 12 0 20 0; ! #X connect 12 0 25 1; ! #X connect 16 0 17 0; ! #X connect 17 0 18 0; ! #X connect 18 0 19 0; ! #X connect 18 0 11 0; ! #X connect 18 0 25 0; ! #X connect 19 0 18 1; ! #X connect 20 0 11 1; ! #X connect 22 0 12 0; ! #X connect 25 0 14 0; ! #X connect 28 0 58 0; ! #X connect 32 0 35 0; ! #X connect 33 0 34 0; ! #X connect 35 0 37 0; ! #X connect 35 0 42 0; ! #X connect 36 0 35 1; ! #X connect 37 0 38 0; ! #X connect 40 0 39 0; ! #X connect 42 0 41 0; ! #X connect 54 0 59 0; ! #X connect 55 0 28 0; ! #X connect 55 0 56 0; ! #X connect 55 0 54 0; ! #X connect 56 0 57 0;
Index: help-otherbinops.pd =================================================================== RCS file: /cvsroot/pure-data/doc/pddp/help-otherbinops.pd,v retrieving revision 1.2 retrieving revision 1.3 diff -C2 -d -r1.2 -r1.3 *** help-otherbinops.pd 9 Oct 2004 05:01:05 -0000 1.2 --- help-otherbinops.pd 18 Apr 2005 00:33:26 -0000 1.3 *************** *** 1,435 **** ! #N canvas 16 1 887 655 10; ! #X floatatom 217 438 0 0 0; ! #X floatatom 267 517 0 0 0; ! #X obj 466 28 &; ! #X obj 494 28 |; ! #X obj 574 28 &&; ! #X obj 601 28 ||; ! #X obj 7 25 >; ! #X obj 36 25 >=; ! #X obj 67 24 ==; ! #X obj 125 24 <=; ! #X obj 153 24 <; ! #X obj 217 417 >; ! #X obj 267 496 ==; ! #X obj 96 24 !=; ! #X obj 521 28 <<; ! #X obj 548 28 >>; ! #X obj 627 28 %; ! #X text 464 5 THE LOGICAL OPERATORS -- A.K.A. "Bit Twiddling"; ! #X text 6 6 THE RELATIONAL OPERATORS; ! #N canvas 0 0 454 304 understanding_%_modulus 0; ! #X text 24 23 MODULUS - [%]; ! #X floatatom 28 187 0 0 0; ! #X text 22 40 - this object has nothing to do with percentage!; ! #X text 20 54 - a modulus is a number by which two given numbers can ! be divided and produce the same remainder.; ! #X text 21 81 - in the example below: 9 / 2 = 4.5 , and 7 / 2 = 3.5. ! Hence if 7 and 9 are divided by 2 , then the remainder of both equations ! is .5. Therefore , the modulus of 7 and 9 is "2".; ! #X msg 28 138 9; ! #X obj 28 166 % 7; ! #X floatatom 62 142 5 0 0; ! #X text 20 222 Note that the modulus operator is not a "bitwise" operator ! , but a math function.; ! #X connect 5 0 6 0; ! #X connect 6 0 1 0; ! #X connect 7 0 6 0; ! #X restore 476 418 pd understanding_%_modulus; ! #X text 478 252 Below is a brief explanation of each of these logical ! operators.; ! #X text 473 53 These objects are adopted from the mother of all object ! oriented languages: C. They are "bitwise" operators which perform logical ! and shift operations on 32-bit numbers.; ! #X text 467 100 WHAT DOES "BITWISE" MEAN?; ! #X text 478 208 Hence , performing "bitwise" relational tests means ! that PD can compare "1101" to "1001" instead of operating with the ! integers that are represented by those binary codes.; ! #N canvas 81 197 456 306 understanding_&_AND 0; ! #X obj 33 216 &; ! #X floatatom 87 182 5 0 0; ! #X floatatom 129 183 5 0 0; ! #X msg 33 154 13; ! #X msg 62 155 9; ! #X text 18 18 [&] -- This is the bitwise AND operator which returns ! a "1" for each bit position where the corresponding bits of both its ! operands are "1". For example:; ! #X text 22 67 13 = "1101"; ! #X text 28 79 9 = "1001"; ! #X text 15 92 Hence:"1001"; ! #X obj 33 114 bng 15 250 50 0 empty empty empty 0 -6 0 8 -262144 -1 ! -1; ! #X obj 33 132 t b b; ! #X text 101 66 When comparing the binary codes for 13 and 9 , we can ! see that the first and fourth digits of both codes are 1 Hence the ! result will be "1001" -- in other words "9".; ! #X floatatom 33 238 0 0 0; ! #X connect 0 0 12 0; ! #X connect 1 0 0 0; ! #X connect 2 0 0 1; ! #X connect 3 0 0 0; ! #X connect 4 0 0 1; ! #X connect 9 0 10 0; ! #X connect 10 0 3 0; ! #X connect 10 1 4 0; ! #X restore 478 286 pd understanding_&_AND; ! #N canvas 190 317 454 304 understanding_|_OR 0; ! #X floatatom 32 247 0 0 0; ! #X floatatom 86 191 5 0 0; ! #X floatatom 128 192 5 0 0; ! #X msg 32 163 13; ! #X msg 61 164 9; ! #X text 21 76 13 = "1101"; ! #X text 27 88 9 = "1001"; ! #X obj 32 123 bng 15 250 50 0 empty empty empty 0 -6 0 8 -262144 -1 ! -1; ! #X obj 32 141 t b b; ! #X text 18 18 [|] -- This is the bitwise OR operator which returns ! a "1" for each bit position where one OR both of the corresponding ! bits of both its operands is a "1". For example:; ! #X text 14 101 Hence:"1101"; ! #X text 98 76 When comparing the binary codes for 13 and 9 , we can ! see that the first and fourth digits of both codes are both 1 and the ! second position of 13 is a one. Hence the result will be "1101" -- ! in other words "13".; ! #X obj 32 225 |; ! #X connect 1 0 12 0; ! #X connect 2 0 12 1; ! #X connect 3 0 12 0; ! #X connect 4 0 12 1; ! #X connect 7 0 8 0; ! #X connect 8 0 3 0; ! #X connect 8 1 4 0; ! #X connect 12 0 0 0; ! #X restore 478 307 pd understanding_|_OR; ! #N canvas 0 0 454 304 understanding_<<_LEFT-SHIFT 0; ! #X obj 46 142 bng 15 250 50 0 empty empty empty 0 -6 0 8 -262144 -1 ! -1; ! #X obj 46 160 t b b; ! #X msg 46 181 13; ! #X obj 46 222 <<; ! #X floatatom 46 244 5 0 0; ! #X msg 74 181 2; ! #X floatatom 112 193 5 0 0; ! #X floatatom 160 193 5 0 0; ! #X text 29 25 [<<] -- This is the left shift operator and it works ! by shifting the digits of the binary representation of the first operand ! (left inlet) to the left by the number of places specified by the second ! operand (right inlet). The spaces created to the right are filled by ! zeros , and any digits falling off the left are discarded. The following ! code returns 52 as the binary of 13 ("1101") is shifted two places ! to the left giving "110100":; ! #X connect 0 0 1 0; ! #X connect 1 0 2 0; ! #X connect 1 1 5 0; ! #X connect 2 0 3 0; ! #X connect 3 0 4 0; ! #X connect 5 0 3 1; ! #X connect 6 0 3 0; ! #X connect 7 0 3 1; ! #X restore 477 328 pd understanding_<<_LEFT-SHIFT; ! #N canvas 0 0 456 380 understanding_>>_RIGHT-SHIFT 0; ! #X obj 41 155 bng 15 250 50 0 empty empty empty 0 -6 0 8 -262144 -1 ! -1; ! #X obj 41 173 t b b; ! #X floatatom 41 257 5 0 0; ! #X floatatom 107 206 5 0 0; ! #X floatatom 155 206 5 0 0; ! #X msg 41 194 13; ! #X obj 41 235 >>; ! #X msg 69 194 2; ! #X text 33 21 [>>] -- This is the sign-propagating right shift operator ! which shifts the digits of the binary representation of the first operand ! (left inlet) to the right by the number of places specified by the ! second operand (right inlet) , discarding any shifted off to the right. ! The copies of the leftmost bit are added on from the left , thereby ! preserving the sign of the number. This next examples returns 3 ("11") ! as the two right-most bits of 13 ("1101") are shifted off to the right ! and discarded.; ! #X text 33 284 Note that this object preserves negative values for ! negative operands. ("sign-propagating").; ! #X connect 0 0 1 0; ! #X connect 1 0 5 0; ! #X connect 1 1 7 0; ! #X connect 3 0 6 0; ! #X connect 4 0 6 1; ! #X connect 5 0 6 0; ! #X connect 6 0 2 0; ! #X connect 7 0 6 1; ! #X restore 477 350 pd understanding_>>_RIGHT-SHIFT; ! #N canvas 56 51 528 425 understanding_&&_LOGICAL-AND 0; ! #X msg 56 269 5; ! #X obj 25 319 &&; ! #X floatatom 25 339 5 0 0; ! #X floatatom 194 277 5 0 0; ! #X text 12 26 [&&] - This is the logical AND operator , which returns ! a Boolean true (a one) if both operands are true. Logically it follows ! that if the first operand is false , then the whole expression is ! false , and this is how the objects works: It first evaluates the ! left hand operand (left inlet) and if this returns false (zero) then ! , without going any further , it returns a false (a zero). Otherwise ! it returns the value of the second operand (right inlet).; ! #X floatatom 237 277 5 0 0; ! #X text 25 364 Note that this is not a bitwise operator. It compares ! floats.; ! #X obj 25 227 bng 15 250 50 0 empty empty empty 0 -6 0 8 -262144 -1 ! -1; ! #X obj 25 245 t b b; ! #X msg 25 269 17; ! #X text 12 145 In other words , IF the left inlet is zero , THEN ! output zero. ELSEIF the left inlet is non-zero AND the right inlet ! is zero , then output zero. ELSEIF the left inlet is non-zero AND ! the right inlet is non-zero , THEN output non-zero!; ! #X obj 91 227 bng 15 250 50 0 empty empty empty 0 -6 0 8 -262144 -1 ! -1; ! #X obj 91 245 t b b; ! #X msg 91 269 17; ! #X msg 122 269 0; ! #X connect 0 0 1 1; ! #X connect 1 0 2 0; ! #X connect 3 0 1 0; ! #X connect 5 0 1 1; ! #X connect 7 0 8 0; ! #X connect 8 0 9 0; ! #X connect 8 1 0 0; ! #X connect 9 0 1 0; ! #X connect 11 0 12 0; ! #X connect 12 0 13 0; ! #X connect 12 1 14 0; ! #X connect 13 0 1 0; ! #X connect 14 0 1 1; ! #X restore 477 373 pd understanding_&&_LOGICAL-AND; ! #N canvas 244 51 530 427 understanding_||_LOGICAL-OR 0; ! #X msg 56 269 5; ! #X floatatom 25 339 5 0 0; ! #X floatatom 196 280 5 0 0; ! #X floatatom 239 280 5 0 0; ! #X text 25 364 Note that this is not a bitwise operator. It compares ! floats.; ! #X obj 25 227 bng 15 250 50 0 empty empty empty 0 -6 0 8 -262144 -1 ! -1; ! #X obj 25 245 t b b; ! #X msg 25 269 17; ! #X text 17 21 [||] -- This is the logical OR operator and it returns ! a value of true (non-zero) if one or both of the operands is true. ! It works by first evaluating the left-hand operand (left inlet) and ! , if this is true , diregarding the right-hand operand (right inlet) ! and returning a non-zero. If , however , the left-hand operand (left ! inlet) is false , then it returns the value of the right-hand operand ! (right inlet).; ! #X text 12 145 In other words , IF the left inlet is non-zero , THEN ! output non-zero. ELSEIF the left inlet is zero AND the right inlet ! is zero , then output zero. ELSEIF the left inlet is zero AND the ! right inlet is non-zero , THEN output non-zero!; ! #X obj 25 319 ||; ! #X obj 96 226 bng 15 250 50 0 empty empty empty 0 -6 0 8 -262144 -1 ! -1; ! #X obj 96 244 t b b; ! #X msg 96 268 0; ! #X msg 127 268 0; ! #X connect 0 0 10 1; ! #X connect 2 0 10 0; ! #X connect 3 0 10 1; ! #X connect 5 0 6 0; ! #X connect 6 0 7 0; ! #X connect 6 1 0 0; ! #X connect 7 0 10 0; ! #X connect 10 0 1 0; ! #X connect 11 0 12 0; ! #X connect 12 0 13 0; ! #X connect 12 1 14 0; ! #X connect 13 0 10 0; ! #X connect 14 0 10 1; ! #X restore 477 395 pd understanding_||_LOGICAL-OR; ! #X obj 432 12 bng 15 250 50 0 empty empty empty 0 -6 0 8 -262144 -1 ! -1; ! #X obj 432 607 bng 15 250 50 0 empty empty empty 0 -6 0 8 -262144 -1 ! -1; ! #X obj 54 186 == 42; ! #X floatatom 54 165 5 0 0; ! #X floatatom 54 212 2 0 0; ! #X obj 79 211 bng 15 250 50 0 empty empty empty 0 -6 0 8 -262144 -1 ! -1; ! #X msg 24 161 42; ! #X text 9 143 For example: IF 42 is equal to x , then "1" (True); ! #X text 99 203 Note that the object outputs 1 or 0 with every incoming ! message.; ! #X text 10 233 All of these objects operate the same way. The right ! inlet or creation argument sets the "condition" to which the incoming ! messages are compared. The left inlet accepts numbers or a "bang" -- ! a number will reset the value and output a true or false (1 or 0) depending ! on whether or not the incoming value meets the necessary condition. ! A "bang" will force the object to output a true or false (1 or 0) based ! on the value that is already stored in the left inlet.; ! #X floatatom 25 378 5 0 0; ! #X floatatom 98 345 5 0 0; ! #X text 10 376 a; ! #X text 138 344 b; ! #X text 93 439 Is a greater than b?; ! #X floatatom 242 478 0 0 0; ! #X text 47 478 Is a greater than or equal to b?; ! #X obj 242 457 >=; ! #X text 166 517 Is a equal to b?; ! #X obj 295 534 !=; ! #X floatatom 295 554 0 0 0; ! #X obj 325 367 r a_b; ! #X obj 325 386 unpack f f; ! #X obj 25 395 pack f f; ! #X obj 25 415 s a_b; ! #X obj 98 361 bang; ! #X text 172 555 Is a NOT equal to b?; ! #X floatatom 321 592 0 0 0; ! #X text 215 592 Is a less than b?; ! #X obj 321 572 <; ! #X floatatom 346 631 0 0 0; ! #X obj 346 611 <; ! #X text 168 631 Is a less than or equal to b?; ! #X text 474 583 This document was updated for PD version 0.35 test ! 29 by Dave Sabine as part of a project called pddp proposed by Krzysztof ! Czaja to build comprehensive documentation for PD.; ! #X text 461 460 RELATED OBJECTS; ! #X obj 813 477 +; ! #X text 480 477 Visit the Help document for MATH for more math objects: ! ; ! #N canvas 0 0 452 302 related_objects_from_other_libraries 0; ! #X obj 47 34 strcomp; ! #X text 102 33 Relational tests for strings.; ! #X text 29 104 These objects are offered in PD only if you have downloaded ! and properly installed the appropriate library. These objects may or ! may not exist in a single library.; ! #X text 28 153 The best places to find information about PD's libraries ! is:; ! #X text 25 175 www.puredata.org and click on "Downloads" then "Software" ! ; ! #X text 27 190 or; ! #X text 27 205 iem.kug.ac.at/pdb/; ! #X restore 482 501 pd related_objects_from_other_libraries; ! #X text 478 120 Well , these objects perform "relational" tests on ! the binary forms of 32-bit numbers. For example , the number 13 is ! represented in your computer's operating system in binary code by "1101" ! and the number 9 is "1001". Each of those binary digits is an 8-bit ! word: 8 bits * 4 digits = 32-bits!; ! #X obj 179 24 mod; ! #X obj 206 24 div; ! #X text 8 84 Most relational operators output a boolean value: true ! or false (1 or 0) depending on the relation between the input (left ! inlet) and the condition (right inlet or creation argument).; ! #N canvas 7 1 506 648 understanding_MOD_and_DIV 0; ! #X text 24 5 [mod] and [div] are helpful objects to determine whether ! or not a fraction produces a remainder , or to determine the value ! of the remainder.; ! #X text 24 80 while , 4 / 3 = 1 with a remainder of 1; ! #X text 25 51 For example , 3 / 3 = 1 with a remainder of zero (i.e. ! no remainder).; ! #X floatatom 26 190 0 0 0; ! #X floatatom 26 232 0 0 0; ! #X floatatom 138 192 0 0 0; ! #X text 68 191 divided by; ! #X text 184 192 has a remainder of; ! #X floatatom 300 193 0 0 0; ! #X obj 26 211 mod; ! #X text 22 103 [mod] takes a number in its left inlet and will divide ! that number by either the creation argument or the number given at ! its left inlet and will produce the value of the remainder at its outlet. ! If no creation argument is given , then the default value is 1; ! #X obj 88 173 loadbang; ! #X msg 138 173 1; ! #X text 23 255 [div] takes a number in its left inlet and will divide ! that number by either the creation argument or the number given at ! its left inlet and will produce the result without a remainder. If ! no creation argument is given , then the default value is 1; ! #X floatatom 28 341 0 0 0; ! #X floatatom 28 383 0 0 0; ! #X floatatom 140 343 0 0 0; ! #X text 70 342 divided by; ! #X floatatom 256 344 0 0 0; ! #X obj 90 324 loadbang; ! #X msg 140 324 1; ! #X obj 28 362 div; ! #X text 186 343 is equal to; ! #X text 294 343 with no remainder.; ! #X obj 257 371 /; ! #X floatatom 257 391 0 0 0; ! #X text 237 389 or; ! #X text 310 392 with a remainder.; ! #X text 23 408 In the following example , I've built a metronome which ! counts bar numbers and beat numbers: default time signature is 4/4 ! (Common Time).; ! #X obj 23 489 metro 500; ! #X obj 23 470 tgl 15 0 empty empty Start-Stop 0 -6 0 8 -262144 -1 -1 ! 0 1; ! #X obj 48 510 + 1; ! #X floatatom 23 530 0 0 0; ! #X text 52 532 Total Beat Count; ! #X obj 23 559 div 4; ! #X obj 134 560 mod 4; ! #X floatatom 219 601 0 0 0; ! #X floatatom 108 600 0 0 0; ! #X obj 23 510 f 1; ! #X msg 107 468 1; ! #X obj 23 579 + 1; ! #X obj 134 579 + 1; ! #X text 131 468 Reset; ! #X text 44 599 Bar number; ! #X text 157 601 Beat Count; ! #X floatatom 339 511 0 0 0; ! #X text 196 511 How many beats per bar?; ! #X connect 3 0 9 0; ! #X connect 4 0 8 0; ! #X connect 5 0 9 1; ! #X connect 9 0 4 0; ! #X connect 11 0 12 0; ! #X connect 12 0 5 0; ! #X connect 14 0 21 0; ! #X connect 14 0 24 0; ! #X connect 15 0 18 0; ! #X connect 16 0 21 1; ! #X connect 16 0 24 1; ! #X connect 19 0 20 0; ! #X connect 20 0 16 0; ! #X connect 21 0 15 0; ! #X connect 24 0 25 0; ! #X connect 29 0 38 0; ! #X connect 30 0 29 0; ! #X connect 31 0 38 1; ! #X connect 32 0 34 0; ! #X connect 32 0 35 0; ! #X connect 34 0 40 0; ! #X connect 35 0 41 0; ! #X connect 38 0 31 0; ! #X connect 38 0 32 0; ! #X connect 39 0 38 1; ! #X connect 40 0 37 0; ! #X connect 41 0 36 0; ! #X connect 45 0 35 1; ! #X connect 45 0 34 1; ! #X restore 9 58 pd understanding_MOD_and_DIV; ! #X connect 11 0 0 0; ! #X connect 12 0 1 0; ! #X connect 30 0 31 0; ! #X connect 32 0 34 0; ! #X connect 32 0 35 0; ! #X connect 33 0 32 0; ! #X connect 36 0 32 0; ! #X connect 40 0 53 0; ! #X connect 41 0 53 1; ! #X connect 41 0 55 0; ! #X connect 47 0 45 0; ! #X connect 49 0 50 0; ! #X connect 51 0 52 0; ! #X connect 52 0 11 0; ! #X connect 52 0 47 0; ! #X connect 52 0 12 0; ! #X connect 52 0 49 0; ! #X connect 52 0 59 0; ! #X connect 52 0 61 0; ! #X connect 52 1 11 1; ! #X connect 52 1 47 1; ! #X connect 52 1 12 1; ! #X connect 52 1 49 1; ! #X connect 52 1 59 1; ! #X connect 52 1 61 1; ! #X connect 53 0 54 0; ! #X connect 55 0 40 0; ! #X connect 59 0 57 0; ! #X connect 61 0 60 0; --- 1,435 ---- ! #N canvas 16 22 895 663 10; ! #X floatatom 217 438 0 0 0 0 - - -; ! #X floatatom 267 517 0 0 0 0 - - -; ! #X obj 466 28 &; ! #X obj 494 28 |; ! #X obj 574 28 &&; ! #X obj 601 28 ||; ! #X obj 7 25 >; ! #X obj 36 25 >=; ! #X obj 67 24 ==; ! #X obj 125 24 <=; ! #X obj 153 24 <; ! #X obj 217 417 >; ! #X obj 267 496 ==; ! #X obj 96 24 !=; ! #X obj 521 28 <<; ! #X obj 548 28 >>; ! #X obj 627 28 %; ! #X text 464 5 THE LOGICAL OPERATORS -- A.K.A. "Bit Twiddling"; ! #X text 6 6 THE RELATIONAL OPERATORS; ! #N canvas 0 22 454 304 understanding_%_modulus 0; ! #X text 24 23 MODULUS - [%]; ! #X floatatom 28 187 0 0 0 0 - - -; ! #X text 22 40 - this object has nothing to do with percentage!; ! #X text 20 54 - a modulus is a number by which two given numbers can ! be divided and produce the same remainder.; ! #X text 21 81 - in the example below: 9 / 2 = 4.5 , and 7 / 2 = 3.5. ! Hence if 7 and 9 are divided by 2 , then the remainder of both equations ! is .5. Therefore , the modulus of 7 and 9 is "2".; ! #X msg 28 138 9; ! #X obj 28 166 % 7; ! #X floatatom 62 142 5 0 0 0 - - -; ! #X text 20 222 Note that the modulus operator is not a "bitwise" operator ! , but a math function.; ! #X connect 5 0 6 0; ! #X connect 6 0 1 0; ! #X connect 7 0 6 0; ! #X restore 476 418 pd understanding_%_modulus; ! #X text 478 252 Below is a brief explanation of each of these logical ! operators.; ! #X text 473 53 These objects are adopted from the mother of all object ! oriented languages: C. They are "bitwise" operators which perform logical ! and shift operations on 32-bit numbers.; ! #X text 467 100 WHAT DOES "BITWISE" MEAN?; ! #X text 478 208 Hence , performing "bitwise" relational tests means ! that PD can compare "1101" to "1001" instead of operating with the ! integers that are represented by those binary codes.; ! #N canvas 81 197 456 306 understanding_&_AND 0; ! #X obj 33 216 &; ! #X floatatom 87 182 5 0 0 0 - - -; ! #X floatatom 129 183 5 0 0 0 - - -; ! #X msg 33 154 13; ! #X msg 62 155 9; ! #X text 18 18 [&] -- This is the bitwise AND operator which returns ! a "1" for each bit position where the corresponding bits of both its ! operands are "1". For example:; ! #X text 22 67 13 = "1101"; ! #X text 28 79 9 = "1001"; ! #X text 15 92 Hence:"1001"; ! #X obj 33 114 bng 15 250 50 0 empty empty empty 0 -6 0 8 -262144 -1 ! -1; ! #X obj 33 132 t b b; ! #X text 101 66 When comparing the binary codes for 13 and 9 , we can ! see that the first and fourth digits of both codes are 1 Hence the ! result will be "1001" -- in other words "9".; ! #X floatatom 33 238 0 0 0 0 - - -; ! #X connect 0 0 12 0; ! #X connect 1 0 0 0; ! #X connect 2 0 0 1; ! #X connect 3 0 0 0; ! #X connect 4 0 0 1; ! #X connect 9 0 10 0; ! #X connect 10 0 3 0; ! #X connect 10 1 4 0; ! #X restore 478 286 pd understanding_&_AND; ! #N canvas 190 317 454 304 understanding_|_OR 0; ! #X floatatom 32 247 0 0 0 0 - - -; ! #X floatatom 86 191 5 0 0 0 - - -; ! #X floatatom 128 192 5 0 0 0 - - -; ! #X msg 32 163 13; ! #X msg 61 164 9; ! #X text 21 76 13 = "1101"; ! #X text 27 88 9 = "1001"; ! #X obj 32 123 bng 15 250 50 0 empty empty empty 0 -6 0 8 -262144 -1 ! -1; ! #X obj 32 141 t b b; ! #X text 18 18 [|] -- This is the bitwise OR operator which returns ! a "1" for each bit position where one OR both of the corresponding ! bits of both its operands is a "1". For example:; ! #X text 14 101 Hence:"1101"; ! #X text 98 76 When comparing the binary codes for 13 and 9 , we can ! see that the first and fourth digits of both codes are both 1 and the ! second position of 13 is a one. Hence the result will be "1101" -- ! in other words "13".; ! #X obj 32 225 |; ! #X connect 1 0 12 0; ! #X connect 2 0 12 1; ! #X connect 3 0 12 0; ! #X connect 4 0 12 1; ! #X connect 7 0 8 0; ! #X connect 8 0 3 0; ! #X connect 8 1 4 0; ! #X connect 12 0 0 0; ! #X restore 478 307 pd understanding_|_OR; ! #N canvas 0 22 454 304 understanding_<<_LEFT-SHIFT 0; ! #X obj 46 142 bng 15 250 50 0 empty empty empty 0 -6 0 8 -262144 -1 ! -1; ! #X obj 46 160 t b b; ! #X msg 46 181 13; ! #X obj 46 222 <<; ! #X floatatom 46 244 5 0 0 0 - - -; ! #X msg 74 181 2; ! #X floatatom 112 193 5 0 0 0 - - -; ! #X floatatom 160 193 5 0 0 0 - - -; ! #X text 29 25 [<<] -- This is the left shift operator and it works ! by shifting the digits of the binary representation of the first operand ! (left inlet) to the left by the number of places specified by the second ! operand (right inlet). The spaces created to the right are filled by ! zeros , and any digits falling off the left are discarded. The following ! code returns 52 as the binary of 13 ("1101") is shifted two places ! to the left giving "110100":; ! #X connect 0 0 1 0; ! #X connect 1 0 2 0; ! #X connect 1 1 5 0; ! #X connect 2 0 3 0; ! #X connect 3 0 4 0; ! #X connect 5 0 3 1; ! #X connect 6 0 3 0; ! #X connect 7 0 3 1; ! #X restore 477 328 pd understanding_<<_LEFT-SHIFT; ! #N canvas 0 22 456 380 understanding_>>_RIGHT-SHIFT 0; ! #X obj 41 155 bng 15 250 50 0 empty empty empty 0 -6 0 8 -262144 -1 ! -1; ! #X obj 41 173 t b b; ! #X floatatom 41 257 5 0 0 0 - - -; ! #X floatatom 107 206 5 0 0 0 - - -; ! #X floatatom 155 206 5 0 0 0 - - -; ! #X msg 41 194 13; ! #X obj 41 235 >>; ! #X msg 69 194 2; ! #X text 33 21 [>>] -- This is the sign-propagating right shift operator ! which shifts the digits of the binary representation of the first operand ! (left inlet) to the right by the number of places specified by the ! second operand (right inlet) , discarding any shifted off to the right. ! The copies of the leftmost bit are added on from the left , thereby ! preserving the sign of the number. This next examples returns 3 ("11") ! as the two right-most bits of 13 ("1101") are shifted off to the right ! and discarded.; ! #X text 33 284 Note that this object preserves negative values for ! negative operands. ("sign-propagating").; ! #X connect 0 0 1 0; ! #X connect 1 0 5 0; ! #X connect 1 1 7 0; ! #X connect 3 0 6 0; ! #X connect 4 0 6 1; ! #X connect 5 0 6 0; ! #X connect 6 0 2 0; ! #X connect 7 0 6 1; ! #X restore 477 350 pd understanding_>>_RIGHT-SHIFT; ! #N canvas 56 51 528 425 understanding_&&_LOGICAL-AND 0; ! #X msg 56 269 5; ! #X obj 25 319 &&; ! #X floatatom 25 339 5 0 0 0 - - -; ! #X floatatom 194 277 5 0 0 0 - - -; ! #X text 12 26 [&&] - This is the logical AND operator , which returns ! a Boolean true (a one) if both operands are true. Logically it follows ! that if the first operand is false , then the whole expression is ! false , and this is how the objects works: It first evaluates the ! left hand operand (left inlet) and if this returns false (zero) then ! , without going any further , it returns a false (a zero). Otherwise ! it returns the value of the second operand (right inlet).; ! #X floatatom 237 277 5 0 0 0 - - -; ! #X text 25 364 Note that this is not a bitwise operator. It compares ! floats.; ! #X obj 25 227 bng 15 250 50 0 empty empty empty 0 -6 0 8 -262144 -1 ! -1; ! #X obj 25 245 t b b; ! #X msg 25 269 17; ! #X text 12 145 In other words , IF the left inlet is zero , THEN ! output zero. ELSEIF the left inlet is non-zero AND the right inlet ! is zero , then output zero. ELSEIF the left inlet is non-zero AND ! the right inlet is non-zero , THEN output non-zero!; ! #X obj 91 227 bng 15 250 50 0 empty empty empty 0 -6 0 8 -262144 -1 ! -1; ! #X obj 91 245 t b b; ! #X msg 91 269 17; ! #X msg 122 269 0; ! #X connect 0 0 1 1; ! #X connect 1 0 2 0; ! #X connect 3 0 1 0; ! #X connect 5 0 1 1; ! #X connect 7 0 8 0; ! #X connect 8 0 9 0; ! #X connect 8 1 0 0; ! #X connect 9 0 1 0; ! #X connect 11 0 12 0; ! #X connect 12 0 13 0; ! #X connect 12 1 14 0; ! #X connect 13 0 1 0; ! #X connect 14 0 1 1; ! #X restore 477 373 pd understanding_&&_LOGICAL-AND; ! #N canvas 244 51 530 427 understanding_||_LOGICAL-OR 0; ! #X msg 56 269 5; ! #X floatatom 25 339 5 0 0 0 - - -; ! #X floatatom 196 280 5 0 0 0 - - -; ! #X floatatom 239 280 5 0 0 0 - - -; ! #X text 25 364 Note that this is not a bitwise operator. It compares ! floats.; ! #X obj 25 227 bng 15 250 50 0 empty empty empty 0 -6 0 8 -262144 -1 ! -1; ! #X obj 25 245 t b b; ! #X msg 25 269 17; ! #X text 17 21 [||] -- This is the logical OR operator and it returns ! a value of true (non-zero) if one or both of the operands is true. ! It works by first evaluating the left-hand operand (left inlet) and ! , if this is true , diregarding the right-hand operand (right inlet) ! and returning a non-zero. If , however , the left-hand operand (left ! inlet) is false , then it returns the value of the right-hand operand ! (right inlet).; ! #X text 12 145 In other words , IF the left inlet is non-zero , THEN ! output non-zero. ELSEIF the left inlet is zero AND the right inlet ! is zero , then output zero. ELSEIF the left inlet is zero AND the ! right inlet is non-zero , THEN output non-zero!; ! #X obj 25 319 ||; ! #X obj 96 226 bng 15 250 50 0 empty empty empty 0 -6 0 8 -262144 -1 ! -1; ! #X obj 96 244 t b b; ! #X msg 96 268 0; ! #X msg 127 268 0; ! #X connect 0 0 10 1; ! #X connect 2 0 10 0; ! #X connect 3 0 10 1; ! #X connect 5 0 6 0; ! #X connect 6 0 7 0; ! #X connect 6 1 0 0; ! #X connect 7 0 10 0; ! #X connect 10 0 1 0; ! #X connect 11 0 12 0; ! #X connect 12 0 13 0; ! #X connect 12 1 14 0; ! #X connect 13 0 10 0; ! #X connect 14 0 10 1; ! #X restore 477 395 pd understanding_||_LOGICAL-OR; ! #X obj 432 12 bng 15 250 50 0 empty empty empty 0 -6 0 8 -262144 -1 ! -1; ! #X obj 432 607 bng 15 250 50 0 empty empty empty 0 -6 0 8 -262144 -1 ! -1; ! #X obj 54 186 == 42; ! #X floatatom 54 165 5 0 0 0 - - -; ! #X floatatom 28 212 2 0 0 0 - - -; ! #X obj 53 211 bng 15 250 50 0 empty empty empty 0 -6 0 8 -262144 -1 ! -1; ! #X msg 24 161 42; ! #X text 9 143 For example: IF 42 is equal to x , then "1" (True); ! #X text 73 203 Note that the object outputs 1 or 0 with every incoming ! message.; ! #X text 10 233 All of these objects operate the same way. The right ! inlet or creation argument sets the "condition" to which the incoming ! messages are compared. The left inlet accepts numbers or a "bang" -- ! a number will reset the value and output a true or false (1 or 0) depending ! on whether or not the incoming value meets the necessary condition. ! A "bang" will force the object to output a true or false (1 or 0) based ! on the value that is already stored in the left inlet.; ! #X floatatom 25 378 5 0 0 0 - - -; ! #X floatatom 98 345 5 0 0 0 - - -; ! #X text 10 376 a; ! #X text 138 344 b; ! #X text 63 439 Is a greater than b?; ! #X floatatom 242 478 0 0 0 0 - - -; ! #X text 17 478 Is a greater than or equal to b?; ! #X obj 242 457 >=; ! #X text 136 517 Is a equal to b?; ! #X obj 295 534 !=; ! #X floatatom 295 554 0 0 0 0 - - -; ! #X obj 325 367 r a_b; ! #X obj 325 386 unpack f f; ! #X obj 25 395 pack f f; ! #X obj 25 415 s a_b; ! #X obj 98 361 bang; ! #X text 142 555 Is a NOT equal to b?; ! #X floatatom 321 592 0 0 0 0 - - -; ! #X text 185 592 Is a less than b?; ! #X obj 321 572 <; ! #X floatatom 346 631 0 0 0 0 - - -; ! #X obj 346 611 <; ! #X text 138 631 Is a less than or equal to b?; ! #X text 464 583 This document was updated for PD version 0.35 test ! 29 by Dave Sabine as part of a project called pddp proposed by Krzysztof ! Czaja to build comprehensive documentation for PD.; ! #X text 461 460 RELATED OBJECTS; ! #X obj 853 477 +; ! #X text 460 477 Visit the Help document for MATH for more math objects: ! ; ! #N canvas 0 22 452 302 related_objects_from_other_libraries 0; ! #X obj 47 34 strcomp; ! #X text 102 33 Relational tests for strings.; ! #X text 29 104 These objects are offered in PD only if you have downloaded ! and properly installed the appropriate library. These objects may or ! may not exist in a single library.; ! #X text 28 153 The best places to find information about PD's libraries ! is:; ! #X text 25 175 www.puredata.org and click on "Downloads" then "Software" ! ; ! #X text 27 190 or; ! #X text 27 205 iem.kug.ac.at/pdb/; ! #X restore 482 501 pd related_objects_from_other_libraries; ! #X text 478 120 Well , these objects perform "relational" tests on ! the binary forms of 32-bit numbers. For example , the number 13 is ! represented in your computer's operating system in binary code by "1101" ! and the number 9 is "1001". Each of those binary digits is an 8-bit ! word: 8 bits * 4 digits = 32-bits!; ! #X obj 179 24 mod; ! #X obj 206 24 div; ! #X text 8 84 Most relational operators output a boolean value: true ! or false (1 or 0) depending on the relation between the input (left ! inlet) and the condition (right inlet or creation argument).; ! #N canvas 7 22 514 656 understanding_MOD_and_DIV 0; ! #X text 24 5 [mod] and [div] are helpful objects to determine whether ! or not a fraction produces a remainder , or to determine the value ! of the remainder.; ! #X text 24 80 while , 4 / 3 = 1 with a remainder of 1; ! #X text 25 51 For example , 3 / 3 = 1 with a remainder of zero (i.e. ! no remainder).; ! #X floatatom 26 190 0 0 0 0 - - -; ! #X floatatom 26 232 0 0 0 0 - - -; ! #X floatatom 138 192 0 0 0 0 - - -; ! #X text 58 191 divided by; ! #X text 173 193 has a remainder of; ! #X floatatom 300 193 0 0 0 0 - - -; ! #X obj 26 211 mod; ! #X text 22 103 [mod] takes a number in its left inlet and will divide ! that number by either the creation argument or the number given at ! its left inlet and will produce the value of the remainder at its outlet. ! If no creation argument is given , then the default value is 1; ! #X obj 78 173 loadbang; ! #X msg 138 173 1; ! #X text 23 255 [div] takes a number in its left inlet and will divide ! that number by either the creation argument or the number given at ! its left inlet and will produce the result without a remainder. If ! no creation argument is given , then the default value is 1; ! #X floatatom 28 341 0 0 0 0 - - -; ! #X floatatom 28 383 0 0 0 0 - - -; ! #X floatatom 140 343 0 0 0 0 - - -; ! #X text 60 342 divided by; ! #X floatatom 256 344 0 0 0 0 - - -; ! #X obj 80 324 loadbang; ! #X msg 140 324 1; ! #X obj 28 362 div; ! #X text 176 343 is equal to; ! #X text 294 343 with no remainder.; ! #X obj 257 371 /; ! #X floatatom 257 391 0 0 0 0 - - -; ! #X text 227 389 or; ! #X text 297 392 with a remainder.; ! #X text 23 408 In the following example , I've built a metronome which ! counts bar numbers and beat numbers: default time signature is 4/4 ! (Common Time).; ! #X obj 23 489 metro 500; ! #X obj 23 470 tgl 15 0 empty empty Start-Stop 0 -6 0 8 -262144 -1 -1 ! 0 1; ! #X obj 48 510 + 1; ! #X floatatom 23 530 0 0 0 0 - - -; ! #X text 52 532 Total Beat Count; ! #X obj 23 559 div 4; ! #X obj 134 560 mod 4; ! #X floatatom 219 601 0 0 0 0 - - -; ! #X floatatom 108 600 0 0 0 0 - - -; ! #X obj 23 510 f 1; ! #X msg 107 468 1; ! #X obj 23 579 + 1; ! #X obj 134 579 + 1; ! #X text 131 468 Reset; ! #X text 34 599 Bar number; ! #X text 147 601 Beat Count; ! #X floatatom 339 511 0 0 0 0 - - -; ! #X text 176 511 How many beats per bar?; ! #X connect 3 0 9 0; ! #X connect 4 0 8 0; ! #X connect 5 0 9 1; ! #X connect 9 0 4 0; ! #X connect 11 0 12 0; ! #X connect 12 0 5 0; ! #X connect 14 0 21 0; ! #X connect 14 0 24 0; ! #X connect 15 0 18 0; ! #X connect 16 0 21 1; ! #X connect 16 0 24 1; ! #X connect 19 0 20 0; ! #X connect 20 0 16 0; ! #X connect 21 0 15 0; ! #X connect 24 0 25 0; ! #X connect 29 0 38 0; ! #X connect 30 0 29 0; ! #X connect 31 0 38 1; ! #X connect 32 0 34 0; ! #X connect 32 0 35 0; ! #X connect 34 0 40 0; ! #X connect 35 0 41 0; ! #X connect 38 0 31 0; ! #X connect 38 0 32 0; ! #X connect 39 0 38 1; ! #X connect 40 0 37 0; ! #X connect 41 0 36 0; ! #X connect 45 0 35 1; ! #X connect 45 0 34 1; ! #X restore 9 58 pd understanding_MOD_and_DIV; ! #X connect 11 0 0 0; ! #X connect 12 0 1 0; ! #X connect 30 0 31 0; ! #X connect 32 0 34 0; ! #X connect 32 0 35 0; ! #X connect 33 0 32 0; ! #X connect 36 0 32 0; ! #X connect 40 0 53 0; ! #X connect 41 0 53 1; ! #X connect 41 0 55 0; ! #X connect 47 0 45 0; ! #X connect 49 0 50 0; ! #X connect 51 0 52 0; ! #X connect 52 0 11 0; ! #X connect 52 0 47 0; ! #X connect 52 0 12 0; ! #X connect 52 0 49 0; ! #X connect 52 0 59 0; ! #X connect 52 0 61 0; ! #X connect 52 1 11 1; ! #X connect 52 1 47 1; ! #X connect 52 1 12 1; ! #X connect 52 1 49 1; ! #X connect 52 1 59 1; ! #X connect 52 1 61 1; ! #X connect 53 0 54 0; ! #X connect 55 0 40 0; ! #X connect 59 0 57 0; ! #X connect 61 0 60 0;
Index: help-operators.pd =================================================================== RCS file: /cvsroot/pure-data/doc/pddp/help-operators.pd,v retrieving revision 1.2 retrieving revision 1.3 diff -C2 -d -r1.2 -r1.3 *** help-operators.pd 9 Oct 2004 05:01:05 -0000 1.2 --- help-operators.pd 18 Apr 2005 00:33:26 -0000 1.3 *************** *** 1,283 **** ! #N canvas 23 29 920 640 10; ! #X obj 622 350 +~; ! #X obj 626 499 trigger; ! #X text 25 8 ARITHMETIC; ! #X text 30 29 PD's arithmetic objects include:; ! #X obj 231 30 +; ! #X obj 256 30 -; ! #X obj 282 30 *; ! #X obj 308 30 /; ! #X obj 334 30 pow; ! #X obj 359 30 max; ! #X obj 385 30 min; ! #X obj 32 276 +; ! #X floatatom 32 205 0 0 0; ! #X floatatom 32 297 0 0 0; ! #X floatatom 45 228 0 0 0; ! #X msg 63 254 bang; ! #X text 98 255 Bang outputs sum; ! #X text 70 204 Numbers in left inlet add and output sum; ! #X text 87 227 Numbers in right inlet only change the inlet's value ! ; ! #X text 29 171 The example below performs basic addition with two numbers: ! i.e. a + b = c; ! #X text 28 54 All of these objects operate the same way. The right ! inlet sets or changes the numeric value of the object. Sending a number ! to the left inlet forces the object to perform the operation with the ! current numeric value of the object and output the result. A "bang" ! will output the result without changing the numeric values at either ! inlet. A creation argument can be used to define the initial numeric ! value of the right inlet.; ! #X text 29 325 The example below incorporates a creation argument: ! i.e. a + 42 = b; ! #X floatatom 29 357 0 0 0; ! #X floatatom 29 400 0 0 0; ! #X obj 29 379 + 42; ! #N canvas 38 134 637 241 basic_examples 0; ! #X obj 44 129 +; ! #X obj 113 129 -; ! #X obj 179 129 *; ! #X obj 244 129 /; ! #X obj 316 129 pow; ! #X obj 394 129 max; ! #X obj 482 129 min; ! #X floatatom 44 32 5 0 0; ! #X floatatom 44 150 0 0 0; ! #X floatatom 113 149 0 0 0; ! #X floatatom 179 149 0 0 0; ! #X floatatom 244 149 0 0 0; ! #X floatatom 316 149 0 0 0; ! #X floatatom 394 150 0 0 0; ! #X floatatom 482 149 0 0 0; ! #X floatatom 495 32 5 0 0; ! #X msg 360 32 bang; ! #X connect 0 0 8 0; ! #X connect 1 0 9 0; ! #X connect 2 0 10 0; ! #X connect 3 0 11 0; ! #X connect 4 0 12 0; ! #X connect 5 0 13 0; ! #X connect 6 0 14 0; ! #X connect 7 0 0 0; ! #X connect 7 0 1 0; ! #X connect 7 0 2 0; ! #X connect 7 0 3 0; ! #X connect 7 0 4 0; ! #X connect 7 0 5 0; ! #X connect 7 0 6 0; ! #X connect 15 0 6 1; ! #X connect 15 0 5 1; ! #X connect 15 0 4 1; ! #X connect 15 0 3 1; ! #X connect 15 0 2 1; ! #X connect 15 0 1 1; ! #X connect 15 0 0 1; ! #X connect 16 0 0 0; ! #X connect 16 0 1 0; ! #X connect 16 0 2 0; ! #X connect 16 0 3 0; ! #X connect 16 0 4 0; ! #X connect 16 0 5 0; ! #X connect 16 0 6 0; ! #X restore 28 542 pd basic_examples; ! #X text 29 425 + - * / are probably self-explanatory...if you are using ! PD , then it is safe to say that you have passed third grade.; ! #X text 27 463 However , [pow] , [max] , and [min] objects may need ! some explanation.; ! #N canvas 0 0 452 302 understanding_POW 0; ! #X text 12 25 [POW]; ! #X obj 17 66 pow 2; ! #X floatatom 17 86 2 0 0; ! #X msg 17 46 2; ! #X text 61 115 - it is important to note that [pow] only works with ! NON-negative mantissas. That is to say that negative floating point ! fractions will be ignored.; ! #X obj 18 153 pow 2; ! #X floatatom 18 173 2 0 0; ! #X msg 13 111 -2; ! #X msg 24 132 -1.5; ! #X text 65 202 - however , [pow] is capable of computing negative ! exponents!; ! #X floatatom 19 201 0 0 0; ! #X obj 19 221 pow -2; ! #X floatatom 19 242 0 0 0; ! #X text 57 39 - this object is used to exponentiate a number. The object ! returns the value at the left inlet to the power of the right inlet ! where the left inlet is the base and the right inlet is the exponent. ! For example: 2 to the power of 2 = 4 (i.e. 2 Squared); ! #X connect 1 0 2 0; ! #X connect 3 0 1 0; ! #X connect 5 0 6 0; ! #X connect 7 0 5 0; ! #X connect 8 0 5 0; ! #X connect 10 0 11 0; ! #X connect 11 0 12 0; ! #X restore 28 497 pd understanding_POW; ! #N canvas 0 0 474 341 understanding_MAX_and_MIN 0; ! #X text 34 9 [MAX]; ! #X obj 32 51 max 10; ! #X floatatom 32 29 5 0 0; ! #X floatatom 32 76 5 0 0; ! #X text 87 26 - [max] returns the greater of the two numbers passed ! to its inlets. For example , if the creation argument (or right inlet) ! is equal to 10 , and you send 9 to the left inlet then the object ! will return 10 If you pass it an 11 , then object returns 11; ! #X floatatom 33 116 5 0 0; ! #X floatatom 33 163 5 0 0; ! #X text 35 96 [MIN]; ! #X text 88 113 - [min] returns the lesser of the two numbers passed ! to its inlets. For example , if the creation argument (or right inlet) ! is equal to 10 , and you send 9 to the left inlet then the object ! will return 9 If you pass it an 11 , then object returns 10; ! #X obj 33 138 min 10; ! #X text 32 185 - It is important to note that [max] and [min] output ! a number with every number or "bang" that is sent to the left inlet. ! ; ! #X floatatom 35 234 5 0 0; ! #X floatatom 35 282 5 0 0; ! #X obj 35 256 min 10; ! #X obj 76 281 bng 15 50 10 0 empty empty empty 0 -6 0 8 -262144 -1 ! -1; ! #X text 80 232 Move this number box above 10; ! #X connect 1 0 3 0; ! #X connect 2 0 1 0; ! #X connect 5 0 9 0; ! #X connect 9 0 6 0; ! #X connect 11 0 13 0; ! #X connect 13 0 12 0; ! #X connect 13 0 14 0; ! #X restore 28 519 pd understanding_MAX_and_MIN; ! #X obj 430 568 bng 15 250 50 0 empty empty empty 0 -6 0 8 -262144 -1 ! -1; ! #X obj 430 12 bng 15 250 50 0 empty empty empty 0 -6 0 8 -262144 -1 ! -1; ! #X text 469 20 THE SUM OF MANY NUMBERS; ! #X text 473 40 PD has wonderful object called [expr] which allows you ! to write mathematical expressions. I would suggest that you investigate ! the [expr] object to process basic mathematical equations with more ! than 2 separate values.; ! #X msg 481 151 bang; ! #X obj 481 203 random 10; ! #X obj 543 203 random 10; ! #X obj 605 203 random 10; ! #X text 509 222 a; ! #X text 571 223 b; ! #X text 632 222 c; ! #X text 512 288 d; ! #X floatatom 481 288 0 0 0; ! #X obj 481 172 t b b b; ! #X obj 481 245 +; ! #X obj 481 266 +; ! #X floatatom 481 223 0 0 0; ! #X floatatom 543 223 0 0 0; ! #X floatatom 605 223 0 0 0; ! #X text 474 102 Having said that , it IS possible to build equations ! with multiple elements using these basic math objects , as in the ! example below: (i.e. a + b + c = d); ! #X text 469 324 RELATED OBJECTS; ! #X obj 651 350 -~; ! #X obj 680 350 *~; ! #X obj 708 350 /~; ! #X obj 736 350 max~; ! #X obj 766 350 min~; ! #X text 550 350 Audio Math; ! #X obj 622 374 ==; ! #X obj 680 374 >; ! #X obj 736 374 <; ! #X obj 708 374 >=; ! #X obj 766 373 <=; ! #X obj 652 374 !=; ! #X text 514 375 Relational Tests; ! #X text 508 398 Logical Operators; ! #X obj 623 398 &; ! #X obj 652 398 |; ! #X obj 680 398 &&; ! #X obj 708 398 ||; ! #X obj 736 398 <<; ! #X obj 766 398 >>; ! #X obj 680 499 expr; ! #X obj 622 422 mtof; ! #X obj 653 422 ftom; ! #X obj 684 422 powtodb; ! #X obj 734 422 rmstodb; ! #X obj 784 422 dbtopow; ! #X obj 834 422 dbtorms; ! #X text 455 423 Acoustical Unit Conversion; ! #X text 547 450 Higher Math; ! #X obj 793 374 mod; ! #X obj 820 374 div; ! #X obj 626 449 sin; ! #X obj 652 449 cos; ! #X obj 679 449 tan; ! #X obj 706 449 atan; ! #X obj 625 473 atan2; ! #X obj 716 499 random; ! #X obj 663 473 sqrt; ! #X obj 694 473 log; ! #X obj 720 473 exp; ! #X obj 746 473 abs; ! #X text 580 499 Other; ! #N canvas 181 122 454 304 related_objects_from_other_libraries 0; ! #X obj 37 25 vector+; ! #X obj 37 45 vector-; ! #X obj 37 65 vector*; ! #X obj 85 25 vector/; ! #X obj 85 45 rgb2hsv; ! #X obj 85 65 hsv2rgb; ! #X obj 133 25 abs~; ! #X obj 133 45 db2v; ! #X obj 133 65 v2db; ! #X obj 163 25 avg~; ! #X obj 164 45 tavg~; ! #X obj 164 65 pdf~; ! #X obj 201 24 <~; ! #X obj 201 45 ==~; ! #X obj 201 67 >~; ! #X obj 228 25 &&~; ! #X obj 228 46 ||~; ! #X obj 228 67 matrix~; ! #X obj 280 25 mavg; ! #X obj 280 46 mean; ! #X obj 280 68 divide; ! #X obj 323 27 divmod; ! #X obj 324 47 minus; ! #X obj 324 67 plus; ! #X text 29 104 These objects are offered in PD only if you have downloaded ! and properly installed the appropriate library. These objects may or ! may not exist in a single library.; ! #X text 28 153 The best places to find information about PD's libraries ! is:; ! #X text 25 175 www.puredata.org and click on "Downloads" then "Software" ! ; ! #X text 27 190 or; ! #X text 27 205 iem.kug.ac.at/pdb/; ! #X obj 370 27 q8_rsqrt~; ! #X obj 370 51 q8_sqrt~; ! #X restore 520 537 pd related_objects_from_other_libraries; ! #X obj 763 499 f; ! #X obj 791 499 int; ! #X obj 794 398 %; ! #X obj 251 539 timer; ! #X text 292 584 This document was updated for PD version 0.35 test ! 28 by Dave Sabine as part of a project called pddp proposed by Krzysztof ! Czaja to build comprehensive documentation for PD.; ! #X obj 739 449 pow; ! #X connect 11 0 13 0; ! #X connect 12 0 11 0; ! #X connect 14 0 11 1; ! #X connect 15 0 11 0; ! #X connect 22 0 24 0; ! #X connect 24 0 23 0; ! #X connect 31 0 30 0; ! #X connect 34 0 43 0; ! #X connect 35 0 46 0; ! #X connect 36 0 47 0; ! #X connect 37 0 48 0; ! #X connect 43 0 35 0; ! #X connect 43 1 36 0; ! #X connect 43 2 37 0; ! #X connect 44 0 45 0; ! #X connect 45 0 42 0; ! #X connect 46 0 44 0; ! #X connect 47 0 44 1; ! #X connect 48 0 45 1; --- 1,283 ---- ! #N canvas 23 29 924 644 10; ! #X obj 637 350 +~; ! #X obj 641 499 trigger; ! #X text 25 8 ARITHMETIC; ! #X text 30 29 PD's arithmetic objects include:; ! #X obj 231 30 +; ! #X obj 256 30 -; ! #X obj 282 30 *; ! #X obj 308 30 /; ! #X obj 334 30 pow; ! #X obj 359 30 max; ! #X obj 385 30 min; ! #X obj 32 276 +; ! #X floatatom 32 205 0 0 0 0 - - -; ! #X floatatom 32 297 0 0 0 0 - - -; ! #X floatatom 45 228 0 0 0 0 - - -; ! #X msg 63 254 bang; ! #X text 98 255 Bang outputs sum; ! #X text 70 204 Numbers in left inlet add and output sum; ! #X text 87 227 Numbers in right inlet only change the inlet's value ! ; ! #X text 29 171 The example below performs basic addition with two numbers: ! i.e. a + b = c; ! #X text 28 54 All of these objects operate the same way. The right ! inlet sets or changes the numeric value of the object. Sending a number ! to the left inlet forces the object to perform the operation with the ! current numeric value of the object and output the result. A "bang" ! will output the result without changing the numeric values at either ! inlet. A creation argument can be used to define the initial numeric ! value of the right inlet.; ! #X text 29 325 The example below incorporates a creation argument: ! i.e. a + 42 = b; ! #X floatatom 29 357 0 0 0 0 - - -; ! #X floatatom 29 400 0 0 0 0 - - -; ! #X obj 29 379 + 42; ! #N canvas 38 134 637 241 basic_examples 0; ! #X obj 44 129 +; ! #X obj 113 129 -; ! #X obj 179 129 *; ! #X obj 244 129 /; ! #X obj 316 129 pow; ! #X obj 394 129 max; ! #X obj 482 129 min; ! #X floatatom 44 32 5 0 0 0 - - -; ! #X floatatom 44 150 0 0 0 0 - - -; ! #X floatatom 113 149 0 0 0 0 - - -; ! #X floatatom 179 149 0 0 0 0 - - -; ! #X floatatom 244 149 0 0 0 0 - - -; ! #X floatatom 316 149 0 0 0 0 - - -; ! #X floatatom 394 150 0 0 0 0 - - -; ! #X floatatom 482 149 0 0 0 0 - - -; ! #X floatatom 495 32 5 0 0 0 - - -; ! #X msg 360 32 bang; ! #X connect 0 0 8 0; ! #X connect 1 0 9 0; ! #X connect 2 0 10 0; ! #X connect 3 0 11 0; ! #X connect 4 0 12 0; ! #X connect 5 0 13 0; ! #X connect 6 0 14 0; ! #X connect 7 0 0 0; ! #X connect 7 0 1 0; ! #X connect 7 0 2 0; ! #X connect 7 0 3 0; ! #X connect 7 0 4 0; ! #X connect 7 0 5 0; ! #X connect 7 0 6 0; ! #X connect 15 0 6 1; ! #X connect 15 0 5 1; ! #X connect 15 0 4 1; ! #X connect 15 0 3 1; ! #X connect 15 0 2 1; ! #X connect 15 0 1 1; ! #X connect 15 0 0 1; ! #X connect 16 0 0 0; ! #X connect 16 0 1 0; ! #X connect 16 0 2 0; ! #X connect 16 0 3 0; ! #X connect 16 0 4 0; ! #X connect 16 0 5 0; ! #X connect 16 0 6 0; ! #X restore 28 542 pd basic_examples; ! #X text 29 425 + - * / are probably self-explanatory...if you are using ! PD , then it is safe to say that you have passed third grade.; ! #X text 27 463 However , [pow] , [max] , and [min] objects may need ! some explanation.; ! #N canvas 0 22 452 302 understanding_POW 0; ! #X text 12 25 [POW]; ! #X obj 17 66 pow 2; ! #X floatatom 17 86 2 0 0 0 - - -; ! #X msg 17 46 2; ! #X text 61 115 - it is important to note that [pow] only works with ! NON-negative mantissas. That is to say that negative floating point ! fractions will be ignored.; ! #X obj 18 153 pow 2; ! #X floatatom 18 173 2 0 0 0 - - -; ! #X msg 13 111 -2; ! #X msg 24 132 -1.5; ! #X text 65 202 - however , [pow] is capable of computing negative ! exponents!; ! #X floatatom 19 201 0 0 0 0 - - -; ! #X obj 19 221 pow -2; ! #X floatatom 19 242 0 0 0 0 - - -; ! #X text 57 39 - this object is used to exponentiate a number. The object ! returns the value at the left inlet to the power of the right inlet ! where the left inlet is the base and the right inlet is the exponent. ! For example: 2 to the power of 2 = 4 (i.e. 2 Squared); ! #X connect 1 0 2 0; ! #X connect 3 0 1 0; ! #X connect 5 0 6 0; ! #X connect 7 0 5 0; ! #X connect 8 0 5 0; ! #X connect 10 0 11 0; ! #X connect 11 0 12 0; ! #X restore 28 497 pd understanding_POW; ! #N canvas 0 22 474 341 understanding_MAX_and_MIN 0; ! #X text 34 9 [MAX]; ! #X obj 32 51 max 10; ! #X floatatom 32 29 5 0 0 0 - - -; ! #X floatatom 32 76 5 0 0 0 - - -; ! #X text 87 26 - [max] returns the greater of the two numbers passed ! to its inlets. For example , if the creation argument (or right inlet) ! is equal to 10 , and you send 9 to the left inlet then the object ! will return 10 If you pass it an 11 , then object returns 11; ! #X floatatom 33 116 5 0 0 0 - - -; ! #X floatatom 33 163 5 0 0 0 - - -; ! #X text 35 96 [MIN]; ! #X text 88 113 - [min] returns the lesser of the two numbers passed ! to its inlets. For example , if the creation argument (or right inlet) ! is equal to 10 , and you send 9 to the left inlet then the object ! will return 9 If you pass it an 11 , then object returns 10; ! #X obj 33 138 min 10; ! #X text 32 185 - It is important to note that [max] and [min] output ! a number with every number or "bang" that is sent to the left inlet. ! ; ! #X floatatom 35 234 5 0 0 0 - - -; ! #X floatatom 35 282 5 0 0 0 - - -; ! #X obj 35 256 min 10; ! #X obj 76 281 bng 15 50 10 0 empty empty empty 0 -6 0 8 -262144 -1 ! -1; ! #X text 80 232 Move this number box above 10; ! #X connect 1 0 3 0; ! #X connect 2 0 1 0; ! #X connect 5 0 9 0; ! #X connect 9 0 6 0; ! #X connect 11 0 13 0; ! #X connect 13 0 12 0; ! #X connect 13 0 14 0; ! #X restore 28 519 pd understanding_MAX_and_MIN; ! #X obj 430 568 bng 15 250 50 0 empty empty empty 0 -6 0 8 -262144 -1 ! -1; ! #X obj 430 12 bng 15 250 50 0 empty empty empty 0 -6 0 8 -262144 -1 ! -1; ! #X text 469 20 THE SUM OF MANY NUMBERS; ! #X text 473 40 PD has wonderful object called [expr] which allows you ! to write mathematical expressions. I would suggest that you investigate ! the [expr] object to process basic mathematical equations with more ! than 2 separate values.; ! #X msg 481 151 bang; ! #X obj 481 203 random 10; ! #X obj 543 203 random 10; ! #X obj 605 203 random 10; ! #X text 509 222 a; ! #X text 571 223 b; ! #X text 632 222 c; ! #X text 512 288 d; ! #X floatatom 481 288 0 0 0 0 - - -; ! #X obj 481 172 t b b b; ! #X obj 481 245 +; ! #X obj 481 266 +; ! #X floatatom 481 223 0 0 0 0 - - -; ! #X floatatom 543 223 0 0 0 0 - - -; ! #X floatatom 605 223 0 0 0 0 - - -; ! #X text 474 102 Having said that , it IS possible to build equations ! with multiple elements using these basic math objects , as in the ! example below: (i.e. a + b + c = d); ! #X text 469 324 RELATED OBJECTS; ! #X obj 666 350 -~; ! #X obj 695 350 *~; ! #X obj 723 350 /~; ! #X obj 751 350 max~; ! #X obj 781 350 min~; ! #X text 540 350 Audio Math; ! #X obj 637 374 ==; ! #X obj 695 374 >; ! #X obj 751 374 <; ! #X obj 723 374 >=; ! #X obj 781 373 <=; ! #X obj 667 374 !=; ! #X text 504 375 Relational Tests; ! #X text 498 398 Logical Operators; ! #X obj 638 398 &; ! #X obj 667 398 |; ! #X obj 695 398 &&; ! #X obj 723 398 ||; ! #X obj 751 398 <<; ! #X obj 781 398 >>; ! #X obj 695 499 expr; ! #X obj 637 422 mtof; ! #X obj 668 422 ftom; ! #X obj 699 422 powtodb; ! #X obj 749 422 rmstodb; ! #X obj 799 422 dbtopow; ! #X obj 849 422 dbtorms; ! #X text 445 423 Acoustical Unit Conversion; ! #X text 537 450 Higher Math; ! #X obj 808 374 mod; ! #X obj 835 374 div; ! #X obj 641 449 sin; ! #X obj 667 449 cos; ! #X obj 694 449 tan; ! #X obj 721 449 atan; ! #X obj 640 473 atan2; ! #X obj 731 499 random; ! #X obj 678 473 sqrt; ! #X obj 709 473 log; ! #X obj 735 473 exp; ! #X obj 761 473 abs; ! #X text 570 499 Other; ! #N canvas 181 122 454 304 related_objects_from_other_libraries 0; ! #X obj 37 25 vector+; ! #X obj 37 45 vector-; ! #X obj 37 65 vector*; ! #X obj 85 25 vector/; ! #X obj 85 45 rgb2hsv; ! #X obj 85 65 hsv2rgb; ! #X obj 133 25 abs~; ! #X obj 133 45 db2v; ! #X obj 133 65 v2db; ! #X obj 163 25 avg~; ! #X obj 164 45 tavg~; ! #X obj 164 65 pdf~; ! #X obj 201 24 <~; ! #X obj 201 45 ==~; ! #X obj 201 67 >~; ! #X obj 228 25 &&~; ! #X obj 228 46 ||~; ! #X obj 228 67 matrix~; ! #X obj 280 25 mavg; ! #X obj 280 46 mean; ! #X obj 280 68 divide; ! #X obj 323 27 divmod; ! #X obj 324 47 minus; ! #X obj 324 67 plus; ! #X text 29 104 These objects are offered in PD only if you have downloaded ! and properly installed the appropriate library. These objects may or ! may not exist in a single library.; ! #X text 28 153 The best places to find information about PD's libraries ! is:; ! #X text 25 175 www.puredata.org and click on "Downloads" then "Software" ! ; ! #X text 27 190 or; ! #X text 27 205 iem.kug.ac.at/pdb/; ! #X obj 370 27 q8_rsqrt~; ! #X obj 370 51 q8_sqrt~; ! #X restore 520 537 pd related_objects_from_other_libraries; ! #X obj 778 499 f; ! #X obj 806 499 int; ! #X obj 809 398 %; ! #X obj 251 539 timer; ! #X text 292 584 This document was updated for PD version 0.35 test ! 28 by Dave Sabine as part of a project called pddp proposed by Krzysztof ! Czaja to build comprehensive documentation for PD.; ! #X obj 754 449 pow; ! #X connect 11 0 13 0; ! #X connect 12 0 11 0; ! #X connect 14 0 11 1; ! #X connect 15 0 11 0; ! #X connect 22 0 24 0; ! #X connect 24 0 23 0; ! #X connect 31 0 30 0; ! #X connect 34 0 43 0; ! #X connect 35 0 46 0; ! #X connect 36 0 47 0; ! #X connect 37 0 48 0; ! #X connect 43 0 35 0; ! #X connect 43 1 36 0; ! #X connect 43 2 37 0; ! #X connect 44 0 45 0; ! #X connect 45 0 42 0; ! #X connect 46 0 44 0; ! #X connect 47 0 44 1; ! #X connect 48 0 45 1;
Index: TODO =================================================================== RCS file: /cvsroot/pure-data/doc/pddp/TODO,v retrieving revision 1.1 retrieving revision 1.2 diff -C2 -d -r1.1 -r1.2 *** TODO 20 Nov 2004 03:51:01 -0000 1.1 --- TODO 18 Apr 2005 00:33:26 -0000 1.2 *************** *** 4,6 **** - make a Pd patch to launch table_of_contents.pd to solve recursive problem
! --- 4,7 ---- - make a Pd patch to launch table_of_contents.pd to solve recursive problem
! - make [pddp] a patch that opens the filename given as an argument using an ! internal GOP bang. For example: [[]pddp all_about_hid].