summaryrefslogtreecommitdiff
path: root/src/math/nextafterf.c
diff options
context:
space:
mode:
authornsz <nsz@port70.net>2012-05-06 21:24:28 +0200
committernsz <nsz@port70.net>2012-05-06 21:24:28 +0200
commit6ab8136b4477fd75381c06fa0e7fa93c89c712a1 (patch)
treefea8ff7bf34e2a41e797528571d62097413b3685 /src/math/nextafterf.c
parent4e597feef0595caefa39ab43c813734a1244fa84 (diff)
downloadmusl-6ab8136b4477fd75381c06fa0e7fa93c89c712a1.tar.gz
musl-6ab8136b4477fd75381c06fa0e7fa93c89c712a1.tar.bz2
musl-6ab8136b4477fd75381c06fa0e7fa93c89c712a1.tar.xz
musl-6ab8136b4477fd75381c06fa0e7fa93c89c712a1.zip
add FORCE_EVAL macro to evaluate float expr for their side effect
updated nextafter* to use FORCE_EVAL, it can be used in many other places in the math code to improve readability.
Diffstat (limited to 'src/math/nextafterf.c')
-rw-r--r--src/math/nextafterf.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/src/math/nextafterf.c b/src/math/nextafterf.c
index 47775b92..b703487b 100644
--- a/src/math/nextafterf.c
+++ b/src/math/nextafterf.c
@@ -28,9 +28,7 @@ float nextafterf(float x, float y)
if (e == 0x7f800000)
return x + x;
/* raise underflow if ux.value is subnormal or zero */
- if (e == 0) {
- volatile float z;
- z = x*x + ux.value*ux.value;
- }
+ if (e == 0)
+ FORCE_EVAL(x*x + ux.value*ux.value);
return ux.value;
}