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/remquof.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'src/math/remquof.c') diff --git a/src/math/remquof.c b/src/math/remquof.c index 11569ce8..536a050a 100644 --- a/src/math/remquof.c +++ b/src/math/remquof.c @@ -41,7 +41,7 @@ float remquof(float x, float y, int *quo) q = 0; goto fixup; } else if(hx==hy) { /* |x| = |y| return x*0*/ - *quo = 1; + *quo = sxy ? -1 : 1; return Zero[(uint32_t)sx>>31]; } @@ -92,6 +92,7 @@ float remquof(float x, float y, int *quo) /* convert back to floating value and restore the sign */ if (hx == 0) { /* return sign(x)*0 */ + q &= 0x7fffffff; *quo = sxy ? -q : q; return Zero[(uint32_t)sx>>31]; } -- cgit v1.2.1