diff options
Diffstat (limited to 'src/MSL_C.PPCEABI.bare.H/w_atan2.c')
-rw-r--r-- | src/MSL_C.PPCEABI.bare.H/w_atan2.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/src/MSL_C.PPCEABI.bare.H/w_atan2.c b/src/MSL_C.PPCEABI.bare.H/w_atan2.c new file mode 100644 index 0000000..890f130 --- /dev/null +++ b/src/MSL_C.PPCEABI.bare.H/w_atan2.c @@ -0,0 +1,40 @@ + +/* @(#)w_atan2.c 1.2 95/01/04 */ +/* + * ==================================================== + * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved. + * + * Developed at SunPro, a Sun Microsystems, Inc. business. + * Permission to use, copy, modify, and distribute this + * software is freely granted, provided that this notice + * is preserved. + * ==================================================== + * + */ + +/* + * wrapper atan2(y,x) + */ + +#include "fdlibm.h" + +#ifdef __STDC__ +double atan2(double y, double x) /* wrapper atan2 */ +#else +double atan2(y, x) /* wrapper atan2 */ +double y, x; +#endif +{ +#ifdef _IEEE_LIBM + return __ieee754_atan2(y, x); +#else + double z; + z = __ieee754_atan2(y, x); + if (_LIB_VERSION == _IEEE_ || isnan(x) || isnan(y)) + return z; + if (x == 0.0 && y == 0.0) { + return __kernel_standard(y, x, 3); /* atan2(+-0,+-0) */ + } else + return z; +#endif +} |