newlib/winsup/mingw/mingwex/complex/cexpl.c
Danny Smith 4073a59300 * mingwex/complex/(cabsl.c cacosl.c cacoshl.c cargl.c casinl.c
casinhl.c catanl.c catanhl.c ccosl.c ccoshl.c cexpl.c cimagl.c
	clogl.c cpowl.c cprojl.c creall.c csinl.c csinhl.c csqrtl.c
	ctanl.c ctanhl.c): New files.
	* mingwex/Makefile.in (COMPLEX_DISTFILES): Adjust.
	(COMPLEX_OBJS): Adjust.
	* include/complex.h (cabsl, cacosl, cacoshl, cargl, casinf.
	casinhl, catanl, catanhl, ccosl, ccoshl, cexpl, cimagl, clogl,
	cpowl, cprojl, creall, csinl, csinhl, csqrtl, ctanl, ctanhl):
	Declare.
2005-01-10 05:03:55 +00:00

20 lines
387 B
C
Executable File

/*
cexpl.c
Contributed by Danny Smith
2005-01-04
*/
#include <math.h>
#include <complex.h>
/* cexp (x + I * y) = exp (x) * cos (y) + I * exp (x) * sin (y) */
long double complex cexpl (long double complex Z)
{
long double complex Res;
long double rho = expl (__real__ Z);
__real__ Res = rho * cosl(__imag__ Z);
__imag__ Res = rho * sinl(__imag__ Z);
return Res;
}