diff options
Diffstat (limited to 'library/coretests/tests/num/mod.rs')
| -rw-r--r-- | library/coretests/tests/num/mod.rs | 266 |
1 files changed, 0 insertions, 266 deletions
diff --git a/library/coretests/tests/num/mod.rs b/library/coretests/tests/num/mod.rs index a6b75f70266..6611aa57866 100644 --- a/library/coretests/tests/num/mod.rs +++ b/library/coretests/tests/num/mod.rs @@ -730,269 +730,3 @@ assume_usize_width! { } } } - -macro_rules! test_float { - ($modname: ident, $fassert: ident, $fty: ty, $inf: expr, $neginf: expr, $nan: expr, $min: expr, $max: expr, $min_pos: expr, $max_exp:expr) => { - mod $modname { - #[test] - fn min() { - $fassert!((0.0 as $fty).min(0.0), 0.0); - $fassert!((0.0 as $fty).min(0.0).is_sign_positive()); - $fassert!((-0.0 as $fty).min(-0.0), -0.0); - $fassert!((-0.0 as $fty).min(-0.0).is_sign_negative()); - $fassert!((9.0 as $fty).min(9.0), 9.0); - $fassert!((-9.0 as $fty).min(0.0), -9.0); - $fassert!((0.0 as $fty).min(9.0), 0.0); - $fassert!((0.0 as $fty).min(9.0).is_sign_positive()); - $fassert!((-0.0 as $fty).min(9.0), -0.0); - $fassert!((-0.0 as $fty).min(9.0).is_sign_negative()); - $fassert!((-0.0 as $fty).min(-9.0), -9.0); - $fassert!(($inf as $fty).min(9.0), 9.0); - $fassert!((9.0 as $fty).min($inf), 9.0); - $fassert!(($inf as $fty).min(-9.0), -9.0); - $fassert!((-9.0 as $fty).min($inf), -9.0); - $fassert!(($neginf as $fty).min(9.0), $neginf); - $fassert!((9.0 as $fty).min($neginf), $neginf); - $fassert!(($neginf as $fty).min(-9.0), $neginf); - $fassert!((-9.0 as $fty).min($neginf), $neginf); - $fassert!(($nan as $fty).min(9.0), 9.0); - $fassert!(($nan as $fty).min(-9.0), -9.0); - $fassert!((9.0 as $fty).min($nan), 9.0); - $fassert!((-9.0 as $fty).min($nan), -9.0); - $fassert!(($nan as $fty).min($nan).is_nan()); - } - #[test] - fn max() { - $fassert!((0.0 as $fty).max(0.0), 0.0); - $fassert!((0.0 as $fty).max(0.0).is_sign_positive()); - $fassert!((-0.0 as $fty).max(-0.0), -0.0); - $fassert!((-0.0 as $fty).max(-0.0).is_sign_negative()); - $fassert!((9.0 as $fty).max(9.0), 9.0); - $fassert!((-9.0 as $fty).max(0.0), 0.0); - $fassert!((-9.0 as $fty).max(0.0).is_sign_positive()); - $fassert!((-9.0 as $fty).max(-0.0), -0.0); - $fassert!((-9.0 as $fty).max(-0.0).is_sign_negative()); - $fassert!((0.0 as $fty).max(9.0), 9.0); - $fassert!((0.0 as $fty).max(-9.0), 0.0); - $fassert!((0.0 as $fty).max(-9.0).is_sign_positive()); - $fassert!((-0.0 as $fty).max(-9.0), -0.0); - $fassert!((-0.0 as $fty).max(-9.0).is_sign_negative()); - $fassert!(($inf as $fty).max(9.0), $inf); - $fassert!((9.0 as $fty).max($inf), $inf); - $fassert!(($inf as $fty).max(-9.0), $inf); - $fassert!((-9.0 as $fty).max($inf), $inf); - $fassert!(($neginf as $fty).max(9.0), 9.0); - $fassert!((9.0 as $fty).max($neginf), 9.0); - $fassert!(($neginf as $fty).max(-9.0), -9.0); - $fassert!((-9.0 as $fty).max($neginf), -9.0); - $fassert!(($nan as $fty).max(9.0), 9.0); - $fassert!(($nan as $fty).max(-9.0), -9.0); - $fassert!((9.0 as $fty).max($nan), 9.0); - $fassert!((-9.0 as $fty).max($nan), -9.0); - $fassert!(($nan as $fty).max($nan).is_nan()); - } - #[test] - fn minimum() { - $fassert!((0.0 as $fty).minimum(0.0), 0.0); - $fassert!((0.0 as $fty).minimum(0.0).is_sign_positive()); - $fassert!((-0.0 as $fty).minimum(0.0), -0.0); - $fassert!((-0.0 as $fty).minimum(0.0).is_sign_negative()); - $fassert!((-0.0 as $fty).minimum(-0.0), -0.0); - $fassert!((-0.0 as $fty).minimum(-0.0).is_sign_negative()); - $fassert!((9.0 as $fty).minimum(9.0), 9.0); - $fassert!((-9.0 as $fty).minimum(0.0), -9.0); - $fassert!((0.0 as $fty).minimum(9.0), 0.0); - $fassert!((0.0 as $fty).minimum(9.0).is_sign_positive()); - $fassert!((-0.0 as $fty).minimum(9.0), -0.0); - $fassert!((-0.0 as $fty).minimum(9.0).is_sign_negative()); - $fassert!((-0.0 as $fty).minimum(-9.0), -9.0); - $fassert!(($inf as $fty).minimum(9.0), 9.0); - $fassert!((9.0 as $fty).minimum($inf), 9.0); - $fassert!(($inf as $fty).minimum(-9.0), -9.0); - $fassert!((-9.0 as $fty).minimum($inf), -9.0); - $fassert!(($neginf as $fty).minimum(9.0), $neginf); - $fassert!((9.0 as $fty).minimum($neginf), $neginf); - $fassert!(($neginf as $fty).minimum(-9.0), $neginf); - $fassert!((-9.0 as $fty).minimum($neginf), $neginf); - $fassert!(($nan as $fty).minimum(9.0).is_nan()); - $fassert!(($nan as $fty).minimum(-9.0).is_nan()); - $fassert!((9.0 as $fty).minimum($nan).is_nan()); - $fassert!((-9.0 as $fty).minimum($nan).is_nan()); - $fassert!(($nan as $fty).minimum($nan).is_nan()); - } - #[test] - fn maximum() { - $fassert!((0.0 as $fty).maximum(0.0), 0.0); - $fassert!((0.0 as $fty).maximum(0.0).is_sign_positive()); - $fassert!((-0.0 as $fty).maximum(0.0), 0.0); - $fassert!((-0.0 as $fty).maximum(0.0).is_sign_positive()); - $fassert!((-0.0 as $fty).maximum(-0.0), -0.0); - $fassert!((-0.0 as $fty).maximum(-0.0).is_sign_negative()); - $fassert!((9.0 as $fty).maximum(9.0), 9.0); - $fassert!((-9.0 as $fty).maximum(0.0), 0.0); - $fassert!((-9.0 as $fty).maximum(0.0).is_sign_positive()); - $fassert!((-9.0 as $fty).maximum(-0.0), -0.0); - $fassert!((-9.0 as $fty).maximum(-0.0).is_sign_negative()); - $fassert!((0.0 as $fty).maximum(9.0), 9.0); - $fassert!((0.0 as $fty).maximum(-9.0), 0.0); - $fassert!((0.0 as $fty).maximum(-9.0).is_sign_positive()); - $fassert!((-0.0 as $fty).maximum(-9.0), -0.0); - $fassert!((-0.0 as $fty).maximum(-9.0).is_sign_negative()); - $fassert!(($inf as $fty).maximum(9.0), $inf); - $fassert!((9.0 as $fty).maximum($inf), $inf); - $fassert!(($inf as $fty).maximum(-9.0), $inf); - $fassert!((-9.0 as $fty).maximum($inf), $inf); - $fassert!(($neginf as $fty).maximum(9.0), 9.0); - $fassert!((9.0 as $fty).maximum($neginf), 9.0); - $fassert!(($neginf as $fty).maximum(-9.0), -9.0); - $fassert!((-9.0 as $fty).maximum($neginf), -9.0); - $fassert!(($nan as $fty).maximum(9.0).is_nan()); - $fassert!(($nan as $fty).maximum(-9.0).is_nan()); - $fassert!((9.0 as $fty).maximum($nan).is_nan()); - $fassert!((-9.0 as $fty).maximum($nan).is_nan()); - $fassert!(($nan as $fty).maximum($nan).is_nan()); - } - #[test] - fn midpoint() { - $fassert!((0.5 as $fty).midpoint(0.5), 0.5); - $fassert!((0.5 as $fty).midpoint(2.5), 1.5); - $fassert!((3.0 as $fty).midpoint(4.0), 3.5); - $fassert!((-3.0 as $fty).midpoint(4.0), 0.5); - $fassert!((3.0 as $fty).midpoint(-4.0), -0.5); - $fassert!((-3.0 as $fty).midpoint(-4.0), -3.5); - $fassert!((0.0 as $fty).midpoint(0.0), 0.0); - $fassert!((-0.0 as $fty).midpoint(-0.0), -0.0); - $fassert!((-5.0 as $fty).midpoint(5.0), 0.0); - $fassert!(($max as $fty).midpoint($min), 0.0); - $fassert!(($min as $fty).midpoint($max), -0.0); - $fassert!(($max as $fty).midpoint($min_pos), $max / 2.); - $fassert!((-$max as $fty).midpoint($min_pos), -$max / 2.); - $fassert!(($max as $fty).midpoint(-$min_pos), $max / 2.); - $fassert!((-$max as $fty).midpoint(-$min_pos), -$max / 2.); - $fassert!(($min_pos as $fty).midpoint($max), $max / 2.); - $fassert!(($min_pos as $fty).midpoint(-$max), -$max / 2.); - $fassert!((-$min_pos as $fty).midpoint($max), $max / 2.); - $fassert!((-$min_pos as $fty).midpoint(-$max), -$max / 2.); - $fassert!(($max as $fty).midpoint($max), $max); - $fassert!(($min_pos as $fty).midpoint($min_pos), $min_pos); - $fassert!((-$min_pos as $fty).midpoint(-$min_pos), -$min_pos); - $fassert!(($max as $fty).midpoint(5.0), $max / 2.0 + 2.5); - $fassert!(($max as $fty).midpoint(-5.0), $max / 2.0 - 2.5); - $fassert!(($inf as $fty).midpoint($inf), $inf); - $fassert!(($neginf as $fty).midpoint($neginf), $neginf); - $fassert!(($nan as $fty).midpoint(1.0).is_nan()); - $fassert!((1.0 as $fty).midpoint($nan).is_nan()); - $fassert!(($nan as $fty).midpoint($nan).is_nan()); - - // test if large differences in magnitude are still correctly computed. - // NOTE: that because of how small x and y are, x + y can never overflow - // so (x + y) / 2.0 is always correct - // in particular, `2.pow(i)` will never be at the max exponent, so it could - // be safely doubled, while j is significantly smaller. - for i in $max_exp.saturating_sub(64)..$max_exp { - for j in 0..64u8 { - let large = <$fty>::from(2.0f32).powi(i); - // a much smaller number, such that there is no chance of overflow to test - // potential double rounding in midpoint's implementation. - let small = <$fty>::from(2.0f32).powi($max_exp - 1) - * <$fty>::EPSILON - * <$fty>::from(j); - - let naive = (large + small) / 2.0; - let midpoint = large.midpoint(small); - - assert_eq!(naive, midpoint); - } - } - } - #[test] - fn rem_euclid() { - // FIXME: Use $fassert when rem_euclid becomes const - assert!($inf.rem_euclid((42.0 as $fty)).is_nan()); - assert_eq!((42.0 as $fty).rem_euclid($inf), (42.0 as $fty)); - assert!((42.0 as $fty).rem_euclid($nan).is_nan()); - assert!($inf.rem_euclid($inf).is_nan()); - assert!($inf.rem_euclid($nan).is_nan()); - assert!($nan.rem_euclid($inf).is_nan()); - } - #[test] - fn div_euclid() { - // FIXME: Use $fassert when div_euclid becomes const - assert_eq!((42.0 as $fty).div_euclid($inf), 0.0); - assert!((42.0 as $fty).div_euclid($nan).is_nan()); - assert!($inf.div_euclid($inf).is_nan()); - assert!($inf.div_euclid($nan).is_nan()); - assert!($nan.div_euclid($inf).is_nan()); - } - } - }; -} - -// Custom assert macro that distribute between assert! and assert_eq! in a non-const context -macro_rules! float_assert { - ($b:expr) => { - assert!($b); - }; - ($left:expr, $right:expr) => { - assert_eq!($left, $right); - }; -} - -// Custom assert macro that only uses assert! in a const context -macro_rules! float_const_assert { - ($b:expr) => { - assert!(const { $b }); - }; - ($left:expr, $right:expr) => { - assert!(const { $left == $right }); - }; -} - -test_float!( - f32, - float_assert, - f32, - f32::INFINITY, - f32::NEG_INFINITY, - f32::NAN, - f32::MIN, - f32::MAX, - f32::MIN_POSITIVE, - f32::MAX_EXP -); -test_float!( - f32_const, - float_const_assert, - f32, - f32::INFINITY, - f32::NEG_INFINITY, - f32::NAN, - f32::MIN, - f32::MAX, - f32::MIN_POSITIVE, - f32::MAX_EXP -); -test_float!( - f64, - float_assert, - f64, - f64::INFINITY, - f64::NEG_INFINITY, - f64::NAN, - f64::MIN, - f64::MAX, - f64::MIN_POSITIVE, - f64::MAX_EXP -); -test_float!( - f64_const, - float_const_assert, - f64, - f64::INFINITY, - f64::NEG_INFINITY, - f64::NAN, - f64::MIN, - f64::MAX, - f64::MIN_POSITIVE, - f64::MAX_EXP -); |