diff options
Diffstat (limited to 'gcc/f/runtime/libF77/z_cos.c')
-rw-r--r-- | gcc/f/runtime/libF77/z_cos.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/gcc/f/runtime/libF77/z_cos.c b/gcc/f/runtime/libF77/z_cos.c new file mode 100644 index 00000000000..a811bbecc65 --- /dev/null +++ b/gcc/f/runtime/libF77/z_cos.c @@ -0,0 +1,19 @@ +#include "f2c.h" + +#ifdef KR_headers +double sin(), cos(), sinh(), cosh(); +VOID z_cos(resx, z) doublecomplex *resx, *z; +#else +#undef abs +#include <math.h> +void z_cos(doublecomplex *resx, doublecomplex *z) +#endif +{ +doublecomplex res; + +res.r = cos(z->r) * cosh(z->i); +res.i = - sin(z->r) * sinh(z->i); + +resx->r = res.r; +resx->i = res.i; +} |