tanh

tanh — Performs a hyperbolic tangent function.

Description

Returns the hyperbolic tangent of x.

Syntax

tanh(x) (no rate restriction)

Examples

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

Example 892. Example of the tanh 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
-odac           -iadc    ;;;RT audio I/O
; For Non-realtime ouput leave only the line below:
; -o tanh.wav -W ;;; for file output any platform
</CsOptions>
<CsInstruments>

; Initialize the global variables.
sr = 44100
kr = 4410
ksmps = 10
nchnls = 1
0dbfs = 1

; Instrument #1.
instr 1
  asig1 vco  1, 440, 2, 0.4, 1
  asig2 vco  1, 800, 3, 0.5, 1
  asig  =    asig1+asig2       ;; will go out of range
        out  tanh(asig)        ;; but tanh is a limiter
endin


</CsInstruments>
<CsScore>

f1 0 65536 10 1
; Play Instrument #1 for one second.
i 1 0 1
e


</CsScore>
</CsoundSynthesizer>


See Also

cos, cosh, cosinv, sin, sinh, sininv, tan, taninv

Credits

Author: John ffitch

New in version 3.47