diff options
Diffstat (limited to 'lib/mlibc/options/ansi/musl-generic-math/__cosdf.c')
| -rw-r--r-- | lib/mlibc/options/ansi/musl-generic-math/__cosdf.c | 35 |
1 files changed, 0 insertions, 35 deletions
diff --git a/lib/mlibc/options/ansi/musl-generic-math/__cosdf.c b/lib/mlibc/options/ansi/musl-generic-math/__cosdf.c deleted file mode 100644 index 2124989..0000000 --- a/lib/mlibc/options/ansi/musl-generic-math/__cosdf.c +++ /dev/null @@ -1,35 +0,0 @@ -/* origin: FreeBSD /usr/src/lib/msun/src/k_cosf.c */ -/* - * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com. - * Debugged and optimized by Bruce D. Evans. - */ -/* - * ==================================================== - * 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. - * ==================================================== - */ - -#include "libm.h" - -/* |cos(x) - c(x)| < 2**-34.1 (~[-5.37e-11, 5.295e-11]). */ -static const double -C0 = -0x1ffffffd0c5e81.0p-54, /* -0.499999997251031003120 */ -C1 = 0x155553e1053a42.0p-57, /* 0.0416666233237390631894 */ -C2 = -0x16c087e80f1e27.0p-62, /* -0.00138867637746099294692 */ -C3 = 0x199342e0ee5069.0p-68; /* 0.0000243904487962774090654 */ - -float __cosdf(double x) -{ - double_t r, w, z; - - /* Try to optimize for parallel evaluation as in __tandf.c. */ - z = x*x; - w = z*z; - r = C2+z*C3; - return ((1.0+z*C0) + w*C1) + (w*z)*r; -} |