rndseed
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## rndseed

rndseed — Sets the global rndseed value.

## Description

Sets the global seed value for rnd and birnd.

## Syntax

    rndseed ival

## Initialization

ival (default=0.5) -- should be between 0 and 1.

Use of rndseed will provide alternative results from the rnd and birnd opcodes to the default (= 0.5).

## Examples

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

Example 914. Example of the rndseed 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
    -odac      ;;;realtime audio out
    ;-iadc    ;;;uncomment -iadc if realtime audio input is needed too
    ; For Non-realtime ouput leave only the line below:
    ; -o rndseed.wav -W ;;; for file output any platform
    </CsOptions>
    <CsInstruments>

    ; by Menno Knevel 2021

    sr = 44100
    ksmps = 32
    nchnls = 2
    0dbfs  = 1

    rndseed .15 ; change value for a different sequence
    ; Generate a random number sequence from -1000 to 1000 according to rndseed
    instr 1

    kbin    =	birnd(1000)
    printk2 kbin
    asig    vco2    .5, 100
    ares    rezzy   asig, 1500+kbin, 20
            outs ares, ares
    endin

    </CsInstruments>
    <CsScore>
    i 1 0 .3
    i 1 + .
    i 1 + .
    i 1 + .
    i 1 + .
    i 1 + .
    i 1 + .
    e
    </CsScore>
    </CsoundSynthesizer>

## See also

Random (Noise) Generators

## Credits

Author: John ffitch
April 2020

New in Csound version 6.15

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