Add ISO C99 complex support for doubles.
* include/complex.h: New file. * mingwex/complex: New directory. * mingwex/complex/cabs.c: New file. * mingwex/complex/cacos.c: New file. * mingwex/complex/cacosh.c: New file. * mingwex/complex/casin.c: New file. * mingwex/complex/casinh.c: New file. * mingwex/complex/catan.c: New file. * mingwex/complex/catanh.c: New file. * mingwex/complex/ccos.c: New file. * mingwex/complex/ccosh.c: New file. * mingwex/complex/cexp.c: New file. * mingwex/complex/cimag.c: New file. * mingwex/complex/clog.c: New file. * mingwex/complex/cpow.c: New file. * mingwex/complex/cproj.c: New file. * mingwex/complex/creal.c: New file. * mingwex/complex/csin.c: New file. * mingwex/complex/csinh.c: New file. * mingwex/complex/csqrt.c: New file. * mingwex/complex/ctan.c: New file. * mingwex/complex/ctanh.c: New file. * mingwex/Makefile.in (COMPLEX_DISTFILES): New list of files. (dist): Use it. (COMPLEX_OBJS): New list of objects. (LIB_OBJS): Include it in the library.
This commit is contained in:
22
winsup/mingw/mingwex/complex/cproj.c
Normal file
22
winsup/mingw/mingwex/complex/cproj.c
Normal file
@@ -0,0 +1,22 @@
|
||||
/*
|
||||
cproj.c
|
||||
Contributed by Danny Smith
|
||||
2003-10-20
|
||||
*/
|
||||
|
||||
#include <math.h>
|
||||
#include <complex.h>
|
||||
|
||||
/* Return the value of the projection onto the Riemann sphere.*/
|
||||
|
||||
double complex cproj (double complex Z)
|
||||
{
|
||||
complex double Res = Z;
|
||||
if (isinf (__real__ Z) || isinf (__imag__ Z))
|
||||
{
|
||||
__real__ Res = HUGE_VAL;
|
||||
__imag__ Res = copysign (0.0, __imag__ Z);
|
||||
}
|
||||
return Res;
|
||||
}
|
||||
|
Reference in New Issue
Block a user