cosinv

cosinv — Performs a arccosine function.

Description

Returns the arccosine of x (x in radians).

Syntax

cosinv(x) (no rate
    restriction)
cosinv(k/i[]) (k- or i-arrays )

Examples

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

Example 169. Example of the cosinv 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
; Audio out   Audio in
-n  ; no sound
; For Non-realtime ouput leave only the line below:
; -o cosinv.wav -W ;;; for file output any platform
</CsOptions>
<CsInstruments>

; by Kevin Conder

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

instr 1

irad = 0.5
i1 = cosinv(irad)
print i1

endin

</CsInstruments>
<CsScore>
i 1 0 1
e
</CsScore>
</CsoundSynthesizer>


Its output should include lines like this:

instr 1:  i1 = 1.047

See also

Trigonometric Functions

Credits

Author: John ffitch

New in version 3.48