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Merge pull request #2164 from grahame/floatinfstr

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write out "inf"/"-inf" in float::to_str_common
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Brian Anderson
2012-04-08 13:55:22 -07:00
parent 599cbf7a6b 2bee6132f9
commit 56f09791fe
1 changed files with 2 additions and 0 deletions
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src/libcore/float.rs
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@@ -42,6 +42,8 @@ Converts a float to a string
"] "]
fn to_str_common(num: float, digits: uint, exact: bool) -> str { fn to_str_common(num: float, digits: uint, exact: bool) -> str {
if is_NaN(num) { ret "NaN"; } if is_NaN(num) { ret "NaN"; }
if num == infinity { ret "inf"; }
if num == neg_infinity { ret "-inf"; }
let mut (num, accum) = if num < 0.0 { (-num, "-") } else { (num, "") }; let mut (num, accum) = if num < 0.0 { (-num, "-") } else { (num, "") };
let trunc = num as uint; let trunc = num as uint;
let mut frac = num - (trunc as float); let mut frac = num - (trunc as float);