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

20 lines
363 B
C
Executable File

/*
cexpf.c
Contributed by Danny Smith
2004-12-24
*/
#include <math.h>
#include <complex.h>
/* cexp (x + I * y) = exp (x) * cos (y) + I * exp (x) * sin (y) */
float complex cexpf (float complex Z)
{
float complex Res;
double rho = exp (__real__ Z);
__real__ Res = rho * cosf(__imag__ Z);
__imag__ Res = rho * sinf(__imag__ Z);
return Res;
}