diff options
Diffstat (limited to 'unix/f2c/libf2c/z_cos.c')
| -rw-r--r-- | unix/f2c/libf2c/z_cos.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/unix/f2c/libf2c/z_cos.c b/unix/f2c/libf2c/z_cos.c new file mode 100644 index 00000000..4abe8bf8 --- /dev/null +++ b/unix/f2c/libf2c/z_cos.c @@ -0,0 +1,21 @@ +#include "f2c.h" + +#ifdef KR_headers +double sin(), cos(), sinh(), cosh(); +VOID z_cos(r, z) doublecomplex *r, *z; +#else +#undef abs +#include "math.h" +#ifdef __cplusplus +extern "C" { +#endif +void z_cos(doublecomplex *r, doublecomplex *z) +#endif +{ + double zi = z->i, zr = z->r; + r->r = cos(zr) * cosh(zi); + r->i = - sin(zr) * sinh(zi); + } +#ifdef __cplusplus +} +#endif |