csinh.c File Reference

#include "prim.h"

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Functions
complex	csinh (complex z)
	Hyperbolic sine of a complex number. More...

Function Documentation

csinh()

complex csinh

(

complex

z

)

Hyperbolic sine of a complex number.

Calculated as in Open Office:
https://wiki.openoffice.org/wiki/Documentation/How_Tos/Calc:_IMSINH_function

a+bi
real = sinh(a) * cos(b)
imag = cosh(a) * sin(b)

Definition at line 50 of file csinh.c.

References cchsh(), cimag(), cos(), cpack(), creal(), and sin().

Referenced by ComplexNumber::HypSine().

{
    complex w;
    double a, b;
    double ch, sh;

    a = creal(z);
    b = cimag(z);
    cchsh(a, &ch, &sh);
    w = cpack(cos(b) * sh, sin(b) * ch);

    return w;
}

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