You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
39 lines
895 B
39 lines
895 B
|
|
/* @(#)w_hypot.c 1.3 95/01/18 */ |
|
/* |
|
* ==================================================== |
|
* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved. |
|
* |
|
* Developed at SunSoft, a Sun Microsystems, Inc. business. |
|
* Permission to use, copy, modify, and distribute this |
|
* software is freely granted, provided that this notice |
|
* is preserved. |
|
* ==================================================== |
|
*/ |
|
|
|
/* |
|
* wrapper ieee_hypot(x,y) |
|
*/ |
|
|
|
#include "fdlibm.h" |
|
|
|
|
|
#ifdef __STDC__ |
|
double ieee_hypot(double x, double y)/* wrapper hypot */ |
|
#else |
|
double ieee_hypot(x,y) /* wrapper hypot */ |
|
double x,y; |
|
#endif |
|
{ |
|
#ifdef _IEEE_LIBM |
|
return __ieee754_hypot(x,y); |
|
#else |
|
double z; |
|
z = __ieee754_hypot(x,y); |
|
if(_LIB_VERSION == _IEEE_) return z; |
|
if((!ieee_finite(z))&&ieee_finite(x)&&ieee_finite(y)) |
|
return __kernel_standard(x,y,4); /* hypot overflow */ |
|
else |
|
return z; |
|
#endif |
|
}
|
|
|