| |
| /* @(#)z_atan2f.c 1.0 98/08/13 */ |
| /****************************************************************** |
| * Arctangent2 |
| * |
| * Input: |
| * v, u - floating point values |
| * |
| * Output: |
| * arctan2 of v / u |
| * |
| * Description: |
| * This routine returns the arctan2 of v / u. |
| * |
| *****************************************************************/ |
| |
| #include "fdlibm.h" |
| #include "zmath.h" |
| |
| float |
| _DEFUN (atan2f, (float, float), |
| float v _AND |
| float u) |
| { |
| return (atangentf (0.0, v, u, 1)); |
| } |
| |
| #ifdef _DOUBLE_IS_32BITS |
| double atan2 (double v, double u) |
| { |
| return (double) atangentf (0.0, (float) v, (float) u, 1); |
| } |
| |
| #endif /* defined(_DOUBLE_IS_32BITS) */ |
