From b69f695acedd4ce2798ef9ea28d834ceccc789bd Mon Sep 17 00:00:00 2001 From: Rich Felker Date: Tue, 13 Mar 2012 01:17:53 -0400 Subject: first commit of the new libm! thanks to the hard work of Szabolcs Nagy (nsz), identifying the best (from correctness and license standpoint) implementations from freebsd and openbsd and cleaning them up! musl should now fully support c99 float and long double math functions, and has near-complete complex math support. tgmath should also work (fully on gcc-compatible compilers, and mostly on any c99 compiler). based largely on commit 0376d44a890fea261506f1fc63833e7a686dca19 from nsz's libm git repo, with some additions (dummy versions of a few missing long double complex functions, etc.) by me. various cleanups still need to be made, including re-adding (if they're correct) some asm functions that were dropped. --- src/math/s_copysign.c | 30 ------------------------------ 1 file changed, 30 deletions(-) delete mode 100644 src/math/s_copysign.c (limited to 'src/math/s_copysign.c') diff --git a/src/math/s_copysign.c b/src/math/s_copysign.c deleted file mode 100644 index 59d3877c..00000000 --- a/src/math/s_copysign.c +++ /dev/null @@ -1,30 +0,0 @@ -/* @(#)s_copysign.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. - * ==================================================== - */ - -/* - * copysign(double x, double y) - * copysign(x,y) returns a value with the magnitude of x and - * with the sign bit of y. - */ - -#include -#include "math_private.h" - -double -copysign(double x, double y) -{ - uint32_t hx,hy; - GET_HIGH_WORD(hx,x); - GET_HIGH_WORD(hy,y); - SET_HIGH_WORD(x,(hx&0x7fffffff)|(hy&0x80000000)); - return x; -} -- cgit v1.2.3-70-g09d2