diff options
Diffstat (limited to 'src/MSL_C.PPCEABI.bare.H/w_log.c')
-rw-r--r-- | src/MSL_C.PPCEABI.bare.H/w_log.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/src/MSL_C.PPCEABI.bare.H/w_log.c b/src/MSL_C.PPCEABI.bare.H/w_log.c new file mode 100644 index 0000000..f4baac3 --- /dev/null +++ b/src/MSL_C.PPCEABI.bare.H/w_log.c @@ -0,0 +1,38 @@ +/* @(#)w_log.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 log(x) + */ + +#include "fdlibm.h" + +#ifdef __STDC__ +double log(double x) /* wrapper pow */ +#else +double log(x) /* wrapper log */ +double x; +#endif +{ +#ifdef _IEEE_LIBM + return __ieee754_log(x); +#else + double z; + z = __ieee754_log(x); + if (_LIB_VERSION == _IEEE_ || isnan(x) || x > 0.0) + return z; + if (x == 0.0) + return __kernel_standard(x, x, 16); /* log(0) */ + else + return __kernel_standard(x, x, 17); /* log(x<0) */ +#endif +} |