Fix FIXME in core::num test: Check sign of zero in min/max tests.
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@ -634,14 +634,18 @@ assume_usize_width! {
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macro_rules! test_float {
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($modname: ident, $fty: ty, $inf: expr, $neginf: expr, $nan: expr) => {
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mod $modname {
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// FIXME(nagisa): these tests should test for sign of -0.0
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#[test]
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fn min() {
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assert_eq!((0.0 as $fty).min(0.0), 0.0);
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assert!((0.0 as $fty).min(0.0).is_sign_positive());
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assert_eq!((-0.0 as $fty).min(-0.0), -0.0);
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assert!((-0.0 as $fty).min(-0.0).is_sign_negative());
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assert_eq!((9.0 as $fty).min(9.0), 9.0);
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assert_eq!((-9.0 as $fty).min(0.0), -9.0);
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assert_eq!((0.0 as $fty).min(9.0), 0.0);
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assert!((0.0 as $fty).min(9.0).is_sign_positive());
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assert_eq!((-0.0 as $fty).min(9.0), -0.0);
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assert!((-0.0 as $fty).min(9.0).is_sign_negative());
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assert_eq!((-0.0 as $fty).min(-9.0), -9.0);
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assert_eq!(($inf as $fty).min(9.0), 9.0);
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assert_eq!((9.0 as $fty).min($inf), 9.0);
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@ -660,11 +664,19 @@ macro_rules! test_float {
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#[test]
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fn max() {
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assert_eq!((0.0 as $fty).max(0.0), 0.0);
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assert!((0.0 as $fty).max(0.0).is_sign_positive());
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assert_eq!((-0.0 as $fty).max(-0.0), -0.0);
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assert!((-0.0 as $fty).max(-0.0).is_sign_negative());
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assert_eq!((9.0 as $fty).max(9.0), 9.0);
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assert_eq!((-9.0 as $fty).max(0.0), 0.0);
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assert!((-9.0 as $fty).max(0.0).is_sign_positive());
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assert_eq!((-9.0 as $fty).max(-0.0), -0.0);
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assert!((-9.0 as $fty).max(-0.0).is_sign_negative());
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assert_eq!((0.0 as $fty).max(9.0), 9.0);
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assert_eq!((0.0 as $fty).max(-9.0), 0.0);
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assert!((0.0 as $fty).max(-9.0).is_sign_positive());
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assert_eq!((-0.0 as $fty).max(-9.0), -0.0);
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assert!((-0.0 as $fty).max(-9.0).is_sign_negative());
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assert_eq!(($inf as $fty).max(9.0), $inf);
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assert_eq!((9.0 as $fty).max($inf), $inf);
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assert_eq!(($inf as $fty).max(-9.0), $inf);
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