newlib-cygwin/winsup/mingw/mingwex/complex/ccosh.c

20 lines
370 B
C

/*
ccosh.c
Contributed by Danny Smith
2003-10-20
*/
#include <math.h>
#include <complex.h>
/* ccosh (x + I * y) = cosh (x) * cos (y)
+ I * (sinh (x) * sin (y)) */
double complex ccosh (double complex Z)
{
double complex Res;
__real__ Res = cosh (__real__ Z) * cos (__imag__ Z);
__imag__ Res = sinh (__real__ Z) * sin (__imag__ Z);
return Res;
}