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authorSzabolcs Nagy <nsz@port70.net>2012-11-13 10:12:07 +0100
committerSzabolcs Nagy <nsz@port70.net>2012-11-13 10:12:07 +0100
commit662ed2006568f953290f5e0b40cce38252db78f4 (patch)
tree723999263be1ccb50d7d312f1d050c24a7659e47 /src/math/nextafter.c
parentcfbaba79a2dd380e580a247b8fd36af60c878e8f (diff)
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math: fix nextafter and nexttoward on maxdbl and maxflt input
old code (return x+x;) returns correct value and raises correct
flags only if the result is stored as double (or float)
Diffstat (limited to 'src/math/nextafter.c')
-rw-r--r--src/math/nextafter.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/math/nextafter.c b/src/math/nextafter.c
index a3b42c99..9ee82518 100644
--- a/src/math/nextafter.c
+++ b/src/math/nextafter.c
@@ -27,7 +27,7 @@ double nextafter(double x, double y)
 	e = ux.bits >> 52 & 0x7ff;
 	/* raise overflow if ux.value is infinite and x is finite */
 	if (e == 0x7ff)
-		return x + x;
+		FORCE_EVAL(x+x);
 	/* raise underflow if ux.value is subnormal or zero */
 	if (e == 0)
 		FORCE_EVAL(x*x + ux.value*ux.value);