match standard library float parsing of "-NaN"

tspiteri · tspiteri · commit e71d7a9ce06b · 2021-02-05T19:18:57.000+01:00
diff --git a/src/lib.rs b/src/lib.rs
@@ -236,6 +236,7 @@ macro_rules! float_trait_impl {
                     "inf"   => return Ok(core::$t::INFINITY),
                     "-inf"  => return Ok(core::$t::NEG_INFINITY),
                     "NaN"   => return Ok(core::$t::NAN),
+                    "-NaN"  => return Ok(-core::$t::NAN),
                     _       => {},
                 }
 

Original file line number	Diff line number	Diff line change
`@@ -236,6 +236,7 @@ macro_rules! float_trait_impl {`
`236`	`236`	`"inf" => return Ok(core::$t::INFINITY),`
`237`	`237`	`"-inf" => return Ok(core::$t::NEG_INFINITY),`
`238`	`238`	`"NaN" => return Ok(core::$t::NAN),`
	`239`	`+ "-NaN" => return Ok(-core::$t::NAN),`
`239`	`240`	`_ => {},`
`240`	`241`	`}`
`241`	`242`