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authorDaniel Micay <danielmicay@gmail.com>2014-03-04 19:54:35 -0500
committerDaniel Micay <danielmicay@gmail.com>2014-03-05 11:20:50 -0500
commit2760974ec05966c811f1ee6f85bf59b13f28b009 (patch)
tree68d84ba69516afbecb642ad7cb9074292df3dbbd /src/libtest
parent6e7f170fedd3c526a643c0b2d13863acd982be02 (diff)
downloadrust-2760974ec05966c811f1ee6f85bf59b13f28b009.tar.gz
rust-2760974ec05966c811f1ee6f85bf59b13f28b009.zip
add correct floating point `min` and `max` methods.
The `std::cmp` functions are not correct for floating point types.

`min(NaN, 2.0)` and `min(2.0, NaN)` return different values, because
these functions assume a total order. Floating point types need special
`min`, `max` and `clamp` functions.
Diffstat (limited to 'src/libtest')
-rw-r--r--src/libtest/lib.rs2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/libtest/lib.rs b/src/libtest/lib.rs
index 0e062003053..9ebd7d72c91 100644
--- a/src/libtest/lib.rs
+++ b/src/libtest/lib.rs
@@ -1063,7 +1063,7 @@ impl MetricMap {
                 Some(v) => {
                     let delta = v.value - vold.value;
                     let noise = match noise_pct {
-                        None => f64::max(vold.noise.abs(), v.noise.abs()),
+                        None => vold.noise.abs().max(v.noise.abs()),
                         Some(pct) => vold.value * pct / 100.0
                     };
                     if delta.abs() <= noise {