scalearray

scalearray — Scales the values in a range of a vector (one dimensional array).

Description

The scalearray opcode scales a subregion of a vector to a given minimum/maximum.

Syntax

scalearray tarray, kmin, kmax[, kleft, kright]

Performance

karray -- array for operation.

kmin, kmax -- target minimum and maximum values.

kleft, kright -- range of table to use, defaulting to 0 and size of the vector.

Examples

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

Example 756. Example of the scalearray opcode.

See the sections Real-time Audio and Command Line Flags for more information on using command line flags.

<CsoundSynthesizer>
<CsOptions>
; Select audio/midi flags here according to platform
-n 
</CsOptions>
<CsInstruments>
;example by joachim heintz

           seed       0

instr 1
;create an array with 10 elements
kArr[]     init       10
;fill in random numbers and print them out
           printks    "kArr in maximum range 0..100:\n", 0
kIndx      =          0
  until kIndx == 10 do
kNum       random     0, 100
kArr[kIndx] =         kNum
           printf     "kArr[%d] = %10f\n", kIndx+1, kIndx, kNum
kIndx      +=         1
  od
;scale numbers 0...1 and print them out again
           scalearray kArr, 0, 1
kIndx      =          0
           printks    "kArr in range 0..1\n", 0
  until kIndx == 10 do
           printf     "kArr[%d] = %10f\n", kIndx+1, kIndx, kArr[kIndx]
kIndx      +=         1
  od
           turnoff
endin
</CsInstruments>
<CsScore>
i1 0 0.1
e
</CsScore>
</CsoundSynthesizer>


See Also

maxarray, minarray, sumarray,

Credits

Author: John ffitch
October 2011

New in Csound version 5.14

Renamed in Csound version 6.00