diff options
Diffstat (limited to 'sysdeps/generic')
-rw-r--r-- | sysdeps/generic/Dist | 2 | ||||
-rw-r--r-- | sysdeps/generic/w_sqrt.c | 47 | ||||
-rw-r--r-- | sysdeps/generic/w_sqrtf.c | 47 |
3 files changed, 95 insertions, 1 deletions
diff --git a/sysdeps/generic/Dist b/sysdeps/generic/Dist index be8c4a8811..14baf3eef2 100644 --- a/sysdeps/generic/Dist +++ b/sysdeps/generic/Dist @@ -1,4 +1,3 @@ -make_siglist.c signame.c signame.h det_endian.c @@ -15,3 +14,4 @@ setutxent.c updwtmpx.c utmpxname.c bits/libc-tsd.h +siglist.h diff --git a/sysdeps/generic/w_sqrt.c b/sysdeps/generic/w_sqrt.c new file mode 100644 index 0000000000..be15d959ea --- /dev/null +++ b/sysdeps/generic/w_sqrt.c @@ -0,0 +1,47 @@ +/* @(#)w_sqrt.c 5.1 93/09/24 */ +/* + * ==================================================== + * 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. + * ==================================================== + */ + +#if defined(LIBM_SCCS) && !defined(lint) +static char rcsid[] = "$NetBSD: w_sqrt.c,v 1.6 1995/05/10 20:49:55 jtc Exp $"; +#endif + +/* + * wrapper sqrt(x) + */ + +#include "math.h" +#include "math_private.h" + +#ifdef __STDC__ + double __sqrt(double x) /* wrapper sqrt */ +#else + double __sqrt(x) /* wrapper sqrt */ + double x; +#endif +{ +#ifdef _IEEE_LIBM + return __ieee754_sqrt(x); +#else + double z; + z = __ieee754_sqrt(x); + if(_LIB_VERSION == _IEEE_ || __isnan(x)) return z; + if(x<0.0) { + return __kernel_standard(x,x,26); /* sqrt(negative) */ + } else + return z; +#endif +} +weak_alias (__sqrt, sqrt) +#ifdef NO_LONG_DOUBLE +strong_alias (__sqrt, __sqrtl) +weak_alias (__sqrt, sqrtl) +#endif diff --git a/sysdeps/generic/w_sqrtf.c b/sysdeps/generic/w_sqrtf.c new file mode 100644 index 0000000000..f5ccc73868 --- /dev/null +++ b/sysdeps/generic/w_sqrtf.c @@ -0,0 +1,47 @@ +/* w_sqrtf.c -- float version of w_sqrt.c. + * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com. + */ + +/* + * ==================================================== + * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved. + * + * Developed at SunPro, a Sun Microsystems, Inc. business. + * Permission to use, copy, modify, and distribute this + * software is freely granted, provided that this notice + * is preserved. + * ==================================================== + */ + +#if defined(LIBM_SCCS) && !defined(lint) +static char rcsid[] = "$NetBSD: w_sqrtf.c,v 1.3 1995/05/10 20:49:59 jtc Exp $"; +#endif + +/* + * wrapper sqrtf(x) + */ + +#include "math.h" +#include "math_private.h" + +#ifdef __STDC__ + float __sqrtf(float x) /* wrapper sqrtf */ +#else + float sqrt(x) /* wrapper sqrtf */ + float x; +#endif +{ +#ifdef _IEEE_LIBM + return __ieee754_sqrtf(x); +#else + float z; + z = __ieee754_sqrtf(x); + if(_LIB_VERSION == _IEEE_ || __isnanf(x)) return z; + if(x<(float)0.0) { + /* sqrtf(negative) */ + return (float)__kernel_standard((double)x,(double)x,126); + } else + return z; +#endif +} +weak_alias (__sqrtf, sqrtf) |