note source of test values

RalfJung · RalfJung · commit fbf47d17845c · 2020-04-19T09:21:00.000+02:00
diff --git a/tests/run-pass/float.rs b/tests/run-pass/float.rs
@@ -114,6 +114,8 @@ fn basic() {
     assert_eq(y, 42.0_f32);
 }
 
+/// Many of these test values are taken from
+/// https://github.com/WebAssembly/testsuite/blob/master/conversions.wast.
 fn casts() {
     // f32 -> i8
     test_both_cast::<f32, i8>(127.99, 127);

Original file line number	Diff line number	Diff line change
`@@ -114,6 +114,8 @@ fn basic() {`
`114`	`114`	`assert_eq(y, 42.0_f32);`
`115`	`115`	`}`
`116`	`116`
	`117`	`+/// Many of these test values are taken from`
	`118`	`+/// https://github.com/WebAssembly/testsuite/blob/master/conversions.wast.`
`117`	`119`	`fn casts() {`
`118`	`120`	`// f32 -> i8`
`119`	`121`	`test_both_cast::<f32, i8>(127.99, 127);`