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Rollup merge of #41292 - est31:master, r=BurntSushi

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Avoid to use floating point match

Its going to be forbidden, see issue #41255.
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Corey Farwell 2017-04-13 22:01:28 -04:00 committed by GitHub
commit c04ae0f0cf
1 changed files with 7 additions and 5 deletions
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12
src/librand/distributions/gamma.rs
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@ -103,12 +103,14 @@ pub fn new(shape: f64, scale: f64) -> Gamma {
assert!(shape > 0.0, "Gamma::new called with shape <= 0");
assert!(scale > 0.0, "Gamma::new called with scale <= 0");
let repr = match shape {
1.0 => One(Exp::new(1.0 / scale)),
0.0...1.0 => Small(GammaSmallShape::new_raw(shape, scale)),
_ => Large(GammaLargeShape::new_raw(shape, scale)),
let repr = if shape == 1.0 {
One(Exp::new(1.0 / scale))
} else if 0.0 <= shape && shape < 1.0 {
Small(GammaSmallShape::new_raw(shape, scale))
} else {
Large(GammaLargeShape::new_raw(shape, scale))
};
Gamma { repr: repr }
Gamma { repr }
}
}