csin.c File Reference

#include "prim.h"

Include dependency graph for csin.c:

Go to the source code of this file.

Functions
complex	csin (complex z)
	Sine of a complex number. More...

Function Documentation

csin()

complex csin

(

complex

z

)

Sine of a complex number.

Calculated according to description at wikipedia:
https://wikipedia.org/wiki/Sine#Sine_with_a_complex_argument

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

Definition at line 50 of file csin.c.

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

Referenced by ComplexNumber::Sine().

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

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

    return w;
}

Here is the call graph for this function:

Here is the caller graph for this function: