diff options
Diffstat (limited to 'Build/source/utils/pmx/pmx-2.6.17/libf2c/c_log.c')
-rw-r--r-- | Build/source/utils/pmx/pmx-2.6.17/libf2c/c_log.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/Build/source/utils/pmx/pmx-2.6.17/libf2c/c_log.c b/Build/source/utils/pmx/pmx-2.6.17/libf2c/c_log.c new file mode 100644 index 00000000000..a0ba3f0d8d2 --- /dev/null +++ b/Build/source/utils/pmx/pmx-2.6.17/libf2c/c_log.c @@ -0,0 +1,23 @@ +#include "f2c.h" + +#ifdef KR_headers +extern double log(), f__cabs(), atan2(); +VOID c_log(r, z) complex *r, *z; +#else +#undef abs +#include "math.h" +#ifdef __cplusplus +extern "C" { +#endif +extern double f__cabs(double, double); + +void c_log(complex *r, complex *z) +#endif +{ + double zi, zr; + r->i = atan2(zi = z->i, zr = z->r); + r->r = log( f__cabs(zr, zi) ); + } +#ifdef __cplusplus +} +#endif |