ftprint
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## ftprint

ftprint — Print the contents of a table (for debugging)

## Description

Plugin opcode in emugens.

Prints the contents of a table (for debugging). It works at k-time, a trigger controls when to print (use ktrig=1, which is the default, to print only at i-time)

## Syntax

    ftprint ifn [, ktrig, kstart, kend, kstep, inumcols ]

## Initialization

ifn - The table to print

inumcols - The number of elements to print in one column (default = 10)

## Performance

ktrig - The table will be printed whenever this value changes from 0 to possitive. Can be used together with metro to print at a given time interval. A value of -1 indicates to print at each k-cycle (default = 1)

kstart - The first index to print. (default = 0)

kend - The end index to print (non inclusive). (default = length of table)

kstep - How many elements to skip (default = 1)

## Examples

Here is an example of the ftprint opcode. It uses the file ftprint.csd.

Example 377. Example of the ftprint opcode.

    <CsoundSynthesizer>
    <CsOptions>

    --nosound

    </CsOptions>
    <CsInstruments>

    ; This is the example file for ftprint

    /*

      ftprint

      Print the contents of an f-table
      (mostly for debuggin purposes)

      ftprint ifn, ktrig=1, kstart=0, kend=0, kstep=1, inumcols=0

      ifn: the table to print
      ktrig: table will be printed whenever this changes
             from non-positive to positive
      kstart: start index
      kend: end index (non inclusive)
      kstep: number of elements to skip
      inumcols: number of elements to print per line

      See also: printarray

    */

    instr 1
      ifn   ftgentmp 0, 0, -13, -2,  0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12

      ; print all elements
      ftprint ifn

      ; print all elements in columns of 4 elements
      ftprint ifn, 1, 0, 0, 1, 4

      ; assume that a table holds a 2D matrix, print the matrix
      imatrix  ftgentmp 0, 0, 0, -2, \
          00, 01, 02, 03, 04,  \
          10, 11, 12, 13, 14,  \
          20, 21, 22, 23, 24,  \
          30, 31, 32, 33, 34

      ; print the whole matrix, 5 columns per line
      ftprint imatrix, 1, 0, 0, 1, 5

      ; print one row
      irow = 2
      inumcols = 5
      ftprint imatrix, 1, 2*inumcols, 3*inumcols

      ; print one column
      ftprint imatrix, 1, 3, 0, inumcols, 1

      turnoff
    endin

    </CsInstruments>

    <CsScore>
    i 1 0 0.01
    </CsScore>

    </CsoundSynthesizer>

## See Also

printarray, printf

## Credits

By: Eduardo Moguillansky 2018

New plugin in version 6.12

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