projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| f7eac6eb RM |
1 | /* w_hypotf.c -- float version of w_hypot.c. |
| 2 | * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com. | |
| 3 | */ | |
| 4 | ||
| 5 | /* | |
| 6 | * ==================================================== | |
| 7 | * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved. | |
| 8 | * | |
| 9 | * Developed at SunPro, a Sun Microsystems, Inc. business. | |
| 10 | * Permission to use, copy, modify, and distribute this | |
| 11 | * software is freely granted, provided that this notice | |
| 12 | * is preserved. | |
| 13 | * ==================================================== | |
| 14 | */ | |
| 15 | ||
| 16 | #if defined(LIBM_SCCS) && !defined(lint) | |
| 17 | static char rcsid[] = "$NetBSD: w_hypotf.c,v 1.3 1995/05/10 20:49:09 jtc Exp $"; | |
| 18 | #endif | |
| 19 | ||
| 20 | /* | |
| 21 | * wrapper hypotf(x,y) | |
| 22 | */ | |
| 23 | ||
| a334319f | 24 | #include "math.h" |
| f7eac6eb RM |
25 | #include "math_private.h" |
| 26 | ||
| 27 | ||
| 28 | #ifdef __STDC__ | |
| 29 | float __hypotf(float x, float y) /* wrapper hypotf */ | |
| 30 | #else | |
| 31 | float __hypotf(x,y) /* wrapper hypotf */ | |
| 32 | float x,y; | |
| 33 | #endif | |
| 34 | { | |
| 35 | #ifdef _IEEE_LIBM | |
| 36 | return __ieee754_hypotf(x,y); | |
| 37 | #else | |
| 38 | float z; | |
| 39 | z = __ieee754_hypotf(x,y); | |
| 40 | if(_LIB_VERSION == _IEEE_) return z; | |
| 41 | if((!__finitef(z))&&__finitef(x)&&__finitef(y)) | |
| 42 | /* hypot overflow */ | |
| 43 | return (float)__kernel_standard((double)x,(double)y,104); | |
| 44 | else | |
| 45 | return z; | |
| 46 | #endif | |
| 47 | } | |
| 48 | weak_alias (__hypotf, hypotf) |