diff options
Diffstat (limited to 'REORG.TODO/sysdeps/ieee754/ldbl-96/s_copysignl.c')
| -rw-r--r-- | REORG.TODO/sysdeps/ieee754/ldbl-96/s_copysignl.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/ieee754/ldbl-96/s_copysignl.c b/REORG.TODO/sysdeps/ieee754/ldbl-96/s_copysignl.c new file mode 100644 index 0000000000..b1c442452f --- /dev/null +++ b/REORG.TODO/sysdeps/ieee754/ldbl-96/s_copysignl.c @@ -0,0 +1,38 @@ +/* s_copysignl.c -- long double version of s_copysign.c. + * Conversion to long double by Ulrich Drepper, + * Cygnus Support, drepper@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: $"; +#endif + +/* + * copysignl(long double x, long double y) + * copysignl(x,y) returns a value with the magnitude of x and + * with the sign bit of y. + */ + +#include <math.h> +#include <math_private.h> + +long double __copysignl(long double x, long double y) +{ + u_int32_t es1,es2; + GET_LDOUBLE_EXP(es1,x); + GET_LDOUBLE_EXP(es2,y); + SET_LDOUBLE_EXP(x,(es1&0x7fff)|(es2&0x8000)); + return x; +} +weak_alias (__copysignl, copysignl) |