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Diffstat (limited to 'math/s_significandl.c')
| -rw-r--r-- | math/s_significandl.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/math/s_significandl.c b/math/s_significandl.c new file mode 100644 index 0000000000..9fa0e4ff91 --- /dev/null +++ b/math/s_significandl.c @@ -0,0 +1,39 @@ +/* s_significandl.c -- long double version of s_significand.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 + +/* + * significandl(x) computes just + * scalbl(x, (long double) -ilogbl(x)), + * for exercising the fraction-part(F) IEEE 754-1985 test vector. + */ + +#include <math.h> +#include "math_private.h" + +#ifdef __STDC__ + long double __significandl(long double x) +#else + long double __significandl(x) + long double x; +#endif +{ + return __ieee754_scalbl(x,(long double) -ilogbl(x)); +} +weak_alias (__significandl, significandl) |