From 6ab8136b4477fd75381c06fa0e7fa93c89c712a1 Mon Sep 17 00:00:00 2001 From: nsz Date: Sun, 6 May 2012 21:24:28 +0200 Subject: 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. --- src/math/nextafter.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) (limited to 'src/math/nextafter.c') diff --git a/src/math/nextafter.c b/src/math/nextafter.c index e4bfb022..a3b42c99 100644 --- a/src/math/nextafter.c +++ b/src/math/nextafter.c @@ -29,9 +29,7 @@ double nextafter(double x, double y) if (e == 0x7ff) return x + x; /* raise underflow if ux.value is subnormal or zero */ - if (e == 0) { - volatile double z; - z = x*x + ux.value*ux.value; - } + if (e == 0) + FORCE_EVAL(x*x + ux.value*ux.value); return ux.value; } -- cgit v1.2.1