From 3738a96e052603403e085e9a1024289ba3e09188 Mon Sep 17 00:00:00 2001 From: nsz Date: Tue, 8 May 2012 00:22:56 +0200 Subject: math: fix remquo.c when x==-y and a subnormal remainder bug as well backported fix from freebsd: http://svnweb.FreeBSD.org/base?view=revision&revision=233973 --- src/math/remquol.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'src/math/remquol.c') diff --git a/src/math/remquol.c b/src/math/remquol.c index 721231b4..a2e11728 100644 --- a/src/math/remquol.c +++ b/src/math/remquol.c @@ -94,7 +94,7 @@ long double remquol(long double x, long double y, int *quo) goto fixup; /* |x|<|y| return x or x-y */ } if (ux.bits.manh == uy.bits.manh && ux.bits.manl == uy.bits.manl) { - *quo = 1; + *quo = sxy ? -1 : 1; return Zero[sx]; /* |x|=|y| return x*0*/ } } @@ -152,6 +152,7 @@ long double remquol(long double x, long double y, int *quo) /* convert back to floating value and restore the sign */ if ((hx|lx) == 0) { /* return sign(x)*0 */ + q &= 0x7fffffff; *quo = sxy ? -q : q; return Zero[sx]; } -- cgit v1.2.1