Rearrange tests to be in the same order as implementation
I was having trouble figuring out which functions had tests and which didn't. This commit is just moving tests around and does not change anything.
This commit is contained in:
parent
b0746ff19b
commit
33d8a4efea
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@ -1,4 +1,4 @@
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// Copyright 2012-2014 The Rust Project Developers. See the COPYRIGHT
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// Copyright 2012-2015 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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@ -468,6 +468,11 @@ mod tests {
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use num::*;
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use num::FpCategory as Fp;
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#[test]
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fn test_num_f32() {
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test_num(10f32, 2f32);
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}
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#[test]
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fn test_min_nan() {
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assert_eq!(NAN.min(2.0), 2.0);
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@ -481,8 +486,49 @@ mod tests {
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}
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#[test]
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fn test_num_f32() {
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test_num(10f32, 2f32);
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fn test_is_normal() {
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let nan: f32 = Float::nan();
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let inf: f32 = Float::infinity();
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let neg_inf: f32 = Float::neg_infinity();
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let zero: f32 = Float::zero();
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let neg_zero: f32 = Float::neg_zero();
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assert!(!nan.is_normal());
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assert!(!inf.is_normal());
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assert!(!neg_inf.is_normal());
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assert!(!zero.is_normal());
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assert!(!neg_zero.is_normal());
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assert!(1f32.is_normal());
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assert!(1e-37f32.is_normal());
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assert!(!1e-38f32.is_normal());
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}
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#[test]
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fn test_classify() {
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let nan: f32 = Float::nan();
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let inf: f32 = Float::infinity();
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let neg_inf: f32 = Float::neg_infinity();
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let zero: f32 = Float::zero();
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let neg_zero: f32 = Float::neg_zero();
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assert_eq!(nan.classify(), Fp::Nan);
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assert_eq!(inf.classify(), Fp::Infinite);
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assert_eq!(neg_inf.classify(), Fp::Infinite);
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assert_eq!(zero.classify(), Fp::Zero);
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assert_eq!(neg_zero.classify(), Fp::Zero);
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assert_eq!(1f32.classify(), Fp::Normal);
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assert_eq!(1e-37f32.classify(), Fp::Normal);
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assert_eq!(1e-38f32.classify(), Fp::Subnormal);
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}
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#[test]
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fn test_integer_decode() {
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assert_eq!(3.14159265359f32.integer_decode(), (13176795, -22, 1));
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assert_eq!((-8573.5918555f32).integer_decode(), (8779358, -10, -1));
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assert_eq!(2f32.powf(100.0).integer_decode(), (8388608, 77, 1));
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assert_eq!(0f32.integer_decode(), (0, -150, 1));
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assert_eq!((-0f32).integer_decode(), (0, -150, -1));
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assert_eq!(INFINITY.integer_decode(), (8388608, 105, 1));
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assert_eq!(NEG_INFINITY.integer_decode(), (8388608, 105, -1));
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assert_eq!(NAN.integer_decode(), (12582912, 105, 1));
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}
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#[test]
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@ -555,6 +601,65 @@ mod tests {
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assert_approx_eq!((-1.7f32).fract(), -0.7f32);
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}
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#[test]
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pub fn test_abs() {
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assert_eq!(INFINITY.abs(), INFINITY);
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assert_eq!(1f32.abs(), 1f32);
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assert_eq!(0f32.abs(), 0f32);
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assert_eq!((-0f32).abs(), 0f32);
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assert_eq!((-1f32).abs(), 1f32);
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assert_eq!(NEG_INFINITY.abs(), INFINITY);
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assert_eq!((1f32/NEG_INFINITY).abs(), 0f32);
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assert!(NAN.abs().is_nan());
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}
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#[test]
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fn test_signum() {
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assert_eq!(INFINITY.signum(), 1f32);
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assert_eq!(1f32.signum(), 1f32);
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assert_eq!(0f32.signum(), 1f32);
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assert_eq!((-0f32).signum(), -1f32);
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assert_eq!((-1f32).signum(), -1f32);
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assert_eq!(NEG_INFINITY.signum(), -1f32);
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assert_eq!((1f32/NEG_INFINITY).signum(), -1f32);
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assert!(NAN.signum().is_nan());
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}
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#[test]
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fn test_is_positive() {
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assert!(INFINITY.is_positive());
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assert!(1f32.is_positive());
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assert!(0f32.is_positive());
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assert!(!(-0f32).is_positive());
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assert!(!(-1f32).is_positive());
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assert!(!NEG_INFINITY.is_positive());
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assert!(!(1f32/NEG_INFINITY).is_positive());
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assert!(!NAN.is_positive());
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}
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#[test]
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fn test_is_negative() {
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assert!(!INFINITY.is_negative());
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assert!(!1f32.is_negative());
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assert!(!0f32.is_negative());
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assert!((-0f32).is_negative());
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assert!((-1f32).is_negative());
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assert!(NEG_INFINITY.is_negative());
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assert!((1f32/NEG_INFINITY).is_negative());
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assert!(!NAN.is_negative());
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}
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#[test]
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fn test_sqrt_domain() {
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assert!(NAN.sqrt().is_nan());
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assert!(NEG_INFINITY.sqrt().is_nan());
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assert!((-1.0f32).sqrt().is_nan());
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assert_eq!((-0.0f32).sqrt(), -0.0);
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assert_eq!(0.0f32.sqrt(), 0.0);
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assert_eq!(1.0f32.sqrt(), 1.0);
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assert_eq!(INFINITY.sqrt(), INFINITY);
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}
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#[test]
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fn test_exp() {
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assert_eq!(1.0, 0.0f32.exp());
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@ -582,6 +687,71 @@ mod tests {
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assert!(nan.exp2().is_nan());
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}
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#[test]
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fn test_ldexp() {
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// We have to use from_str until base-2 exponents
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// are supported in floating-point literals
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let f1: f32 = FromStrRadix::from_str_radix("1p-123", 16).unwrap();
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let f2: f32 = FromStrRadix::from_str_radix("1p-111", 16).unwrap();
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assert_eq!(Float::ldexp(1f32, -123), f1);
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assert_eq!(Float::ldexp(1f32, -111), f2);
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assert_eq!(Float::ldexp(0f32, -123), 0f32);
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assert_eq!(Float::ldexp(-0f32, -123), -0f32);
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let inf: f32 = Float::infinity();
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let neg_inf: f32 = Float::neg_infinity();
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let nan: f32 = Float::nan();
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assert_eq!(Float::ldexp(inf, -123), inf);
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assert_eq!(Float::ldexp(neg_inf, -123), neg_inf);
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assert!(Float::ldexp(nan, -123).is_nan());
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}
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#[test]
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fn test_frexp() {
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// We have to use from_str until base-2 exponents
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// are supported in floating-point literals
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let f1: f32 = FromStrRadix::from_str_radix("1p-123", 16).unwrap();
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let f2: f32 = FromStrRadix::from_str_radix("1p-111", 16).unwrap();
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let (x1, exp1) = f1.frexp();
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let (x2, exp2) = f2.frexp();
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assert_eq!((x1, exp1), (0.5f32, -122));
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assert_eq!((x2, exp2), (0.5f32, -110));
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assert_eq!(Float::ldexp(x1, exp1), f1);
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assert_eq!(Float::ldexp(x2, exp2), f2);
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assert_eq!(0f32.frexp(), (0f32, 0));
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assert_eq!((-0f32).frexp(), (-0f32, 0));
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}
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#[test] #[cfg_attr(windows, ignore)] // FIXME #8755
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fn test_frexp_nowin() {
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let inf: f32 = Float::infinity();
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let neg_inf: f32 = Float::neg_infinity();
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let nan: f32 = Float::nan();
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assert_eq!(match inf.frexp() { (x, _) => x }, inf);
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assert_eq!(match neg_inf.frexp() { (x, _) => x }, neg_inf);
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assert!(match nan.frexp() { (x, _) => x.is_nan() })
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}
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#[test]
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fn test_abs_sub() {
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assert_eq!((-1f32).abs_sub(1f32), 0f32);
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assert_eq!(1f32.abs_sub(1f32), 0f32);
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assert_eq!(1f32.abs_sub(0f32), 1f32);
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assert_eq!(1f32.abs_sub(-1f32), 2f32);
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assert_eq!(NEG_INFINITY.abs_sub(0f32), 0f32);
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assert_eq!(INFINITY.abs_sub(1f32), INFINITY);
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assert_eq!(0f32.abs_sub(NEG_INFINITY), INFINITY);
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assert_eq!(0f32.abs_sub(INFINITY), 0f32);
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}
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#[test]
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fn test_abs_sub_nowin() {
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assert!(NAN.abs_sub(-1f32).is_nan());
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assert!(1f32.abs_sub(NAN).is_nan());
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}
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#[test]
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fn test_asinh() {
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assert_eq!(0.0f32.asinh(), 0.0f32);
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@ -674,174 +844,4 @@ mod tests {
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assert_approx_eq!(ln_2, 2f32.ln());
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assert_approx_eq!(ln_10, 10f32.ln());
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}
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#[test]
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pub fn test_abs() {
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assert_eq!(INFINITY.abs(), INFINITY);
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assert_eq!(1f32.abs(), 1f32);
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assert_eq!(0f32.abs(), 0f32);
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assert_eq!((-0f32).abs(), 0f32);
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assert_eq!((-1f32).abs(), 1f32);
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assert_eq!(NEG_INFINITY.abs(), INFINITY);
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assert_eq!((1f32/NEG_INFINITY).abs(), 0f32);
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assert!(NAN.abs().is_nan());
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}
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#[test]
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fn test_abs_sub() {
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assert_eq!((-1f32).abs_sub(1f32), 0f32);
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assert_eq!(1f32.abs_sub(1f32), 0f32);
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assert_eq!(1f32.abs_sub(0f32), 1f32);
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assert_eq!(1f32.abs_sub(-1f32), 2f32);
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assert_eq!(NEG_INFINITY.abs_sub(0f32), 0f32);
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assert_eq!(INFINITY.abs_sub(1f32), INFINITY);
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assert_eq!(0f32.abs_sub(NEG_INFINITY), INFINITY);
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assert_eq!(0f32.abs_sub(INFINITY), 0f32);
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}
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#[test]
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fn test_abs_sub_nowin() {
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assert!(NAN.abs_sub(-1f32).is_nan());
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assert!(1f32.abs_sub(NAN).is_nan());
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}
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#[test]
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fn test_signum() {
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assert_eq!(INFINITY.signum(), 1f32);
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assert_eq!(1f32.signum(), 1f32);
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assert_eq!(0f32.signum(), 1f32);
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assert_eq!((-0f32).signum(), -1f32);
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assert_eq!((-1f32).signum(), -1f32);
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assert_eq!(NEG_INFINITY.signum(), -1f32);
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assert_eq!((1f32/NEG_INFINITY).signum(), -1f32);
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assert!(NAN.signum().is_nan());
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}
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#[test]
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fn test_is_positive() {
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assert!(INFINITY.is_positive());
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assert!(1f32.is_positive());
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assert!(0f32.is_positive());
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assert!(!(-0f32).is_positive());
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assert!(!(-1f32).is_positive());
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assert!(!NEG_INFINITY.is_positive());
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assert!(!(1f32/NEG_INFINITY).is_positive());
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assert!(!NAN.is_positive());
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}
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#[test]
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fn test_is_negative() {
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assert!(!INFINITY.is_negative());
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assert!(!1f32.is_negative());
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assert!(!0f32.is_negative());
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assert!((-0f32).is_negative());
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assert!((-1f32).is_negative());
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assert!(NEG_INFINITY.is_negative());
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assert!((1f32/NEG_INFINITY).is_negative());
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assert!(!NAN.is_negative());
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}
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#[test]
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fn test_is_normal() {
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let nan: f32 = Float::nan();
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let inf: f32 = Float::infinity();
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let neg_inf: f32 = Float::neg_infinity();
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let zero: f32 = Float::zero();
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let neg_zero: f32 = Float::neg_zero();
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assert!(!nan.is_normal());
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assert!(!inf.is_normal());
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assert!(!neg_inf.is_normal());
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assert!(!zero.is_normal());
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assert!(!neg_zero.is_normal());
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assert!(1f32.is_normal());
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assert!(1e-37f32.is_normal());
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assert!(!1e-38f32.is_normal());
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}
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#[test]
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fn test_classify() {
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let nan: f32 = Float::nan();
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let inf: f32 = Float::infinity();
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let neg_inf: f32 = Float::neg_infinity();
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let zero: f32 = Float::zero();
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let neg_zero: f32 = Float::neg_zero();
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assert_eq!(nan.classify(), Fp::Nan);
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assert_eq!(inf.classify(), Fp::Infinite);
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assert_eq!(neg_inf.classify(), Fp::Infinite);
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assert_eq!(zero.classify(), Fp::Zero);
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assert_eq!(neg_zero.classify(), Fp::Zero);
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assert_eq!(1f32.classify(), Fp::Normal);
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assert_eq!(1e-37f32.classify(), Fp::Normal);
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assert_eq!(1e-38f32.classify(), Fp::Subnormal);
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}
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#[test]
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fn test_ldexp() {
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// We have to use from_str until base-2 exponents
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// are supported in floating-point literals
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let f1: f32 = FromStrRadix::from_str_radix("1p-123", 16).unwrap();
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let f2: f32 = FromStrRadix::from_str_radix("1p-111", 16).unwrap();
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assert_eq!(Float::ldexp(1f32, -123), f1);
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assert_eq!(Float::ldexp(1f32, -111), f2);
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assert_eq!(Float::ldexp(0f32, -123), 0f32);
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assert_eq!(Float::ldexp(-0f32, -123), -0f32);
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let inf: f32 = Float::infinity();
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let neg_inf: f32 = Float::neg_infinity();
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let nan: f32 = Float::nan();
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assert_eq!(Float::ldexp(inf, -123), inf);
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assert_eq!(Float::ldexp(neg_inf, -123), neg_inf);
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assert!(Float::ldexp(nan, -123).is_nan());
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}
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#[test]
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fn test_frexp() {
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// We have to use from_str until base-2 exponents
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// are supported in floating-point literals
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let f1: f32 = FromStrRadix::from_str_radix("1p-123", 16).unwrap();
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let f2: f32 = FromStrRadix::from_str_radix("1p-111", 16).unwrap();
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let (x1, exp1) = f1.frexp();
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let (x2, exp2) = f2.frexp();
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assert_eq!((x1, exp1), (0.5f32, -122));
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assert_eq!((x2, exp2), (0.5f32, -110));
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assert_eq!(Float::ldexp(x1, exp1), f1);
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assert_eq!(Float::ldexp(x2, exp2), f2);
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assert_eq!(0f32.frexp(), (0f32, 0));
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assert_eq!((-0f32).frexp(), (-0f32, 0));
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}
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#[test] #[cfg_attr(windows, ignore)] // FIXME #8755
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fn test_frexp_nowin() {
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let inf: f32 = Float::infinity();
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let neg_inf: f32 = Float::neg_infinity();
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let nan: f32 = Float::nan();
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assert_eq!(match inf.frexp() { (x, _) => x }, inf);
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assert_eq!(match neg_inf.frexp() { (x, _) => x }, neg_inf);
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assert!(match nan.frexp() { (x, _) => x.is_nan() })
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}
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#[test]
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fn test_integer_decode() {
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assert_eq!(3.14159265359f32.integer_decode(), (13176795, -22, 1));
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assert_eq!((-8573.5918555f32).integer_decode(), (8779358, -10, -1));
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assert_eq!(2f32.powf(100.0).integer_decode(), (8388608, 77, 1));
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assert_eq!(0f32.integer_decode(), (0, -150, 1));
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assert_eq!((-0f32).integer_decode(), (0, -150, -1));
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assert_eq!(INFINITY.integer_decode(), (8388608, 105, 1));
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assert_eq!(NEG_INFINITY.integer_decode(), (8388608, 105, -1));
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assert_eq!(NAN.integer_decode(), (12582912, 105, 1));
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}
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#[test]
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fn test_sqrt_domain() {
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assert!(NAN.sqrt().is_nan());
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assert!(NEG_INFINITY.sqrt().is_nan());
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assert!((-1.0f32).sqrt().is_nan());
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assert_eq!((-0.0f32).sqrt(), -0.0);
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assert_eq!(0.0f32.sqrt(), 0.0);
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assert_eq!(1.0f32.sqrt(), 1.0);
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assert_eq!(INFINITY.sqrt(), INFINITY);
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}
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}
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@ -1,4 +1,4 @@
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// Copyright 2012-2014 The Rust Project Developers. See the COPYRIGHT
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// Copyright 2012-2015 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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|
@ -477,6 +477,11 @@ mod tests {
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use num::*;
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use num::FpCategory as Fp;
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#[test]
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fn test_num_f64() {
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test_num(10f64, 2f64);
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}
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#[test]
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fn test_min_nan() {
|
||||
assert_eq!(NAN.min(2.0), 2.0);
|
||||
|
@ -490,8 +495,48 @@ mod tests {
|
|||
}
|
||||
|
||||
#[test]
|
||||
fn test_num_f64() {
|
||||
test_num(10f64, 2f64);
|
||||
fn test_is_normal() {
|
||||
let nan: f64 = Float::nan();
|
||||
let inf: f64 = Float::infinity();
|
||||
let neg_inf: f64 = Float::neg_infinity();
|
||||
let zero: f64 = Float::zero();
|
||||
let neg_zero: f64 = Float::neg_zero();
|
||||
assert!(!nan.is_normal());
|
||||
assert!(!inf.is_normal());
|
||||
assert!(!neg_inf.is_normal());
|
||||
assert!(!zero.is_normal());
|
||||
assert!(!neg_zero.is_normal());
|
||||
assert!(1f64.is_normal());
|
||||
assert!(1e-307f64.is_normal());
|
||||
assert!(!1e-308f64.is_normal());
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_classify() {
|
||||
let nan: f64 = Float::nan();
|
||||
let inf: f64 = Float::infinity();
|
||||
let neg_inf: f64 = Float::neg_infinity();
|
||||
let zero: f64 = Float::zero();
|
||||
let neg_zero: f64 = Float::neg_zero();
|
||||
assert_eq!(nan.classify(), Fp::Nan);
|
||||
assert_eq!(inf.classify(), Fp::Infinite);
|
||||
assert_eq!(neg_inf.classify(), Fp::Infinite);
|
||||
assert_eq!(zero.classify(), Fp::Zero);
|
||||
assert_eq!(neg_zero.classify(), Fp::Zero);
|
||||
assert_eq!(1e-307f64.classify(), Fp::Normal);
|
||||
assert_eq!(1e-308f64.classify(), Fp::Subnormal);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_integer_decode() {
|
||||
assert_eq!(3.14159265359f64.integer_decode(), (7074237752028906, -51, 1));
|
||||
assert_eq!((-8573.5918555f64).integer_decode(), (4713381968463931, -39, -1));
|
||||
assert_eq!(2f64.powf(100.0).integer_decode(), (4503599627370496, 48, 1));
|
||||
assert_eq!(0f64.integer_decode(), (0, -1075, 1));
|
||||
assert_eq!((-0f64).integer_decode(), (0, -1075, -1));
|
||||
assert_eq!(INFINITY.integer_decode(), (4503599627370496, 972, 1));
|
||||
assert_eq!(NEG_INFINITY.integer_decode(), (4503599627370496, 972, -1));
|
||||
assert_eq!(NAN.integer_decode(), (6755399441055744, 972, 1));
|
||||
}
|
||||
|
||||
#[test]
|
||||
|
@ -564,6 +609,65 @@ mod tests {
|
|||
assert_approx_eq!((-1.7f64).fract(), -0.7f64);
|
||||
}
|
||||
|
||||
#[test]
|
||||
pub fn test_abs() {
|
||||
assert_eq!(INFINITY.abs(), INFINITY);
|
||||
assert_eq!(1f64.abs(), 1f64);
|
||||
assert_eq!(0f64.abs(), 0f64);
|
||||
assert_eq!((-0f64).abs(), 0f64);
|
||||
assert_eq!((-1f64).abs(), 1f64);
|
||||
assert_eq!(NEG_INFINITY.abs(), INFINITY);
|
||||
assert_eq!((1f64/NEG_INFINITY).abs(), 0f64);
|
||||
assert!(NAN.abs().is_nan());
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_signum() {
|
||||
assert_eq!(INFINITY.signum(), 1f64);
|
||||
assert_eq!(1f64.signum(), 1f64);
|
||||
assert_eq!(0f64.signum(), 1f64);
|
||||
assert_eq!((-0f64).signum(), -1f64);
|
||||
assert_eq!((-1f64).signum(), -1f64);
|
||||
assert_eq!(NEG_INFINITY.signum(), -1f64);
|
||||
assert_eq!((1f64/NEG_INFINITY).signum(), -1f64);
|
||||
assert!(NAN.signum().is_nan());
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_is_positive() {
|
||||
assert!(INFINITY.is_positive());
|
||||
assert!(1f64.is_positive());
|
||||
assert!(0f64.is_positive());
|
||||
assert!(!(-0f64).is_positive());
|
||||
assert!(!(-1f64).is_positive());
|
||||
assert!(!NEG_INFINITY.is_positive());
|
||||
assert!(!(1f64/NEG_INFINITY).is_positive());
|
||||
assert!(!NAN.is_positive());
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_is_negative() {
|
||||
assert!(!INFINITY.is_negative());
|
||||
assert!(!1f64.is_negative());
|
||||
assert!(!0f64.is_negative());
|
||||
assert!((-0f64).is_negative());
|
||||
assert!((-1f64).is_negative());
|
||||
assert!(NEG_INFINITY.is_negative());
|
||||
assert!((1f64/NEG_INFINITY).is_negative());
|
||||
assert!(!NAN.is_negative());
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_sqrt_domain() {
|
||||
assert!(NAN.sqrt().is_nan());
|
||||
assert!(NEG_INFINITY.sqrt().is_nan());
|
||||
assert!((-1.0f64).sqrt().is_nan());
|
||||
assert_eq!((-0.0f64).sqrt(), -0.0);
|
||||
assert_eq!(0.0f64.sqrt(), 0.0);
|
||||
assert_eq!(1.0f64.sqrt(), 1.0);
|
||||
assert_eq!(INFINITY.sqrt(), INFINITY);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_exp() {
|
||||
assert_eq!(1.0, 0.0f64.exp());
|
||||
|
@ -591,6 +695,71 @@ mod tests {
|
|||
assert!(nan.exp2().is_nan());
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_ldexp() {
|
||||
// We have to use from_str until base-2 exponents
|
||||
// are supported in floating-point literals
|
||||
let f1: f64 = FromStrRadix::from_str_radix("1p-123", 16).unwrap();
|
||||
let f2: f64 = FromStrRadix::from_str_radix("1p-111", 16).unwrap();
|
||||
assert_eq!(Float::ldexp(1f64, -123), f1);
|
||||
assert_eq!(Float::ldexp(1f64, -111), f2);
|
||||
|
||||
assert_eq!(Float::ldexp(0f64, -123), 0f64);
|
||||
assert_eq!(Float::ldexp(-0f64, -123), -0f64);
|
||||
|
||||
let inf: f64 = Float::infinity();
|
||||
let neg_inf: f64 = Float::neg_infinity();
|
||||
let nan: f64 = Float::nan();
|
||||
assert_eq!(Float::ldexp(inf, -123), inf);
|
||||
assert_eq!(Float::ldexp(neg_inf, -123), neg_inf);
|
||||
assert!(Float::ldexp(nan, -123).is_nan());
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_frexp() {
|
||||
// We have to use from_str until base-2 exponents
|
||||
// are supported in floating-point literals
|
||||
let f1: f64 = FromStrRadix::from_str_radix("1p-123", 16).unwrap();
|
||||
let f2: f64 = FromStrRadix::from_str_radix("1p-111", 16).unwrap();
|
||||
let (x1, exp1) = f1.frexp();
|
||||
let (x2, exp2) = f2.frexp();
|
||||
assert_eq!((x1, exp1), (0.5f64, -122));
|
||||
assert_eq!((x2, exp2), (0.5f64, -110));
|
||||
assert_eq!(Float::ldexp(x1, exp1), f1);
|
||||
assert_eq!(Float::ldexp(x2, exp2), f2);
|
||||
|
||||
assert_eq!(0f64.frexp(), (0f64, 0));
|
||||
assert_eq!((-0f64).frexp(), (-0f64, 0));
|
||||
}
|
||||
|
||||
#[test] #[cfg_attr(windows, ignore)] // FIXME #8755
|
||||
fn test_frexp_nowin() {
|
||||
let inf: f64 = Float::infinity();
|
||||
let neg_inf: f64 = Float::neg_infinity();
|
||||
let nan: f64 = Float::nan();
|
||||
assert_eq!(match inf.frexp() { (x, _) => x }, inf);
|
||||
assert_eq!(match neg_inf.frexp() { (x, _) => x }, neg_inf);
|
||||
assert!(match nan.frexp() { (x, _) => x.is_nan() })
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_abs_sub() {
|
||||
assert_eq!((-1f64).abs_sub(1f64), 0f64);
|
||||
assert_eq!(1f64.abs_sub(1f64), 0f64);
|
||||
assert_eq!(1f64.abs_sub(0f64), 1f64);
|
||||
assert_eq!(1f64.abs_sub(-1f64), 2f64);
|
||||
assert_eq!(NEG_INFINITY.abs_sub(0f64), 0f64);
|
||||
assert_eq!(INFINITY.abs_sub(1f64), INFINITY);
|
||||
assert_eq!(0f64.abs_sub(NEG_INFINITY), INFINITY);
|
||||
assert_eq!(0f64.abs_sub(INFINITY), 0f64);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_abs_sub_nowin() {
|
||||
assert!(NAN.abs_sub(-1f64).is_nan());
|
||||
assert!(1f64.abs_sub(NAN).is_nan());
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_asinh() {
|
||||
assert_eq!(0.0f64.asinh(), 0.0f64);
|
||||
|
@ -677,173 +846,4 @@ mod tests {
|
|||
assert_approx_eq!(ln_2, 2f64.ln());
|
||||
assert_approx_eq!(ln_10, 10f64.ln());
|
||||
}
|
||||
|
||||
#[test]
|
||||
pub fn test_abs() {
|
||||
assert_eq!(INFINITY.abs(), INFINITY);
|
||||
assert_eq!(1f64.abs(), 1f64);
|
||||
assert_eq!(0f64.abs(), 0f64);
|
||||
assert_eq!((-0f64).abs(), 0f64);
|
||||
assert_eq!((-1f64).abs(), 1f64);
|
||||
assert_eq!(NEG_INFINITY.abs(), INFINITY);
|
||||
assert_eq!((1f64/NEG_INFINITY).abs(), 0f64);
|
||||
assert!(NAN.abs().is_nan());
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_abs_sub() {
|
||||
assert_eq!((-1f64).abs_sub(1f64), 0f64);
|
||||
assert_eq!(1f64.abs_sub(1f64), 0f64);
|
||||
assert_eq!(1f64.abs_sub(0f64), 1f64);
|
||||
assert_eq!(1f64.abs_sub(-1f64), 2f64);
|
||||
assert_eq!(NEG_INFINITY.abs_sub(0f64), 0f64);
|
||||
assert_eq!(INFINITY.abs_sub(1f64), INFINITY);
|
||||
assert_eq!(0f64.abs_sub(NEG_INFINITY), INFINITY);
|
||||
assert_eq!(0f64.abs_sub(INFINITY), 0f64);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_abs_sub_nowin() {
|
||||
assert!(NAN.abs_sub(-1f64).is_nan());
|
||||
assert!(1f64.abs_sub(NAN).is_nan());
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_signum() {
|
||||
assert_eq!(INFINITY.signum(), 1f64);
|
||||
assert_eq!(1f64.signum(), 1f64);
|
||||
assert_eq!(0f64.signum(), 1f64);
|
||||
assert_eq!((-0f64).signum(), -1f64);
|
||||
assert_eq!((-1f64).signum(), -1f64);
|
||||
assert_eq!(NEG_INFINITY.signum(), -1f64);
|
||||
assert_eq!((1f64/NEG_INFINITY).signum(), -1f64);
|
||||
assert!(NAN.signum().is_nan());
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_is_positive() {
|
||||
assert!(INFINITY.is_positive());
|
||||
assert!(1f64.is_positive());
|
||||
assert!(0f64.is_positive());
|
||||
assert!(!(-0f64).is_positive());
|
||||
assert!(!(-1f64).is_positive());
|
||||
assert!(!NEG_INFINITY.is_positive());
|
||||
assert!(!(1f64/NEG_INFINITY).is_positive());
|
||||
assert!(!NAN.is_positive());
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_is_negative() {
|
||||
assert!(!INFINITY.is_negative());
|
||||
assert!(!1f64.is_negative());
|
||||
assert!(!0f64.is_negative());
|
||||
assert!((-0f64).is_negative());
|
||||
assert!((-1f64).is_negative());
|
||||
assert!(NEG_INFINITY.is_negative());
|
||||
assert!((1f64/NEG_INFINITY).is_negative());
|
||||
assert!(!NAN.is_negative());
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_is_normal() {
|
||||
let nan: f64 = Float::nan();
|
||||
let inf: f64 = Float::infinity();
|
||||
let neg_inf: f64 = Float::neg_infinity();
|
||||
let zero: f64 = Float::zero();
|
||||
let neg_zero: f64 = Float::neg_zero();
|
||||
assert!(!nan.is_normal());
|
||||
assert!(!inf.is_normal());
|
||||
assert!(!neg_inf.is_normal());
|
||||
assert!(!zero.is_normal());
|
||||
assert!(!neg_zero.is_normal());
|
||||
assert!(1f64.is_normal());
|
||||
assert!(1e-307f64.is_normal());
|
||||
assert!(!1e-308f64.is_normal());
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_classify() {
|
||||
let nan: f64 = Float::nan();
|
||||
let inf: f64 = Float::infinity();
|
||||
let neg_inf: f64 = Float::neg_infinity();
|
||||
let zero: f64 = Float::zero();
|
||||
let neg_zero: f64 = Float::neg_zero();
|
||||
assert_eq!(nan.classify(), Fp::Nan);
|
||||
assert_eq!(inf.classify(), Fp::Infinite);
|
||||
assert_eq!(neg_inf.classify(), Fp::Infinite);
|
||||
assert_eq!(zero.classify(), Fp::Zero);
|
||||
assert_eq!(neg_zero.classify(), Fp::Zero);
|
||||
assert_eq!(1e-307f64.classify(), Fp::Normal);
|
||||
assert_eq!(1e-308f64.classify(), Fp::Subnormal);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_ldexp() {
|
||||
// We have to use from_str until base-2 exponents
|
||||
// are supported in floating-point literals
|
||||
let f1: f64 = FromStrRadix::from_str_radix("1p-123", 16).unwrap();
|
||||
let f2: f64 = FromStrRadix::from_str_radix("1p-111", 16).unwrap();
|
||||
assert_eq!(Float::ldexp(1f64, -123), f1);
|
||||
assert_eq!(Float::ldexp(1f64, -111), f2);
|
||||
|
||||
assert_eq!(Float::ldexp(0f64, -123), 0f64);
|
||||
assert_eq!(Float::ldexp(-0f64, -123), -0f64);
|
||||
|
||||
let inf: f64 = Float::infinity();
|
||||
let neg_inf: f64 = Float::neg_infinity();
|
||||
let nan: f64 = Float::nan();
|
||||
assert_eq!(Float::ldexp(inf, -123), inf);
|
||||
assert_eq!(Float::ldexp(neg_inf, -123), neg_inf);
|
||||
assert!(Float::ldexp(nan, -123).is_nan());
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_frexp() {
|
||||
// We have to use from_str until base-2 exponents
|
||||
// are supported in floating-point literals
|
||||
let f1: f64 = FromStrRadix::from_str_radix("1p-123", 16).unwrap();
|
||||
let f2: f64 = FromStrRadix::from_str_radix("1p-111", 16).unwrap();
|
||||
let (x1, exp1) = f1.frexp();
|
||||
let (x2, exp2) = f2.frexp();
|
||||
assert_eq!((x1, exp1), (0.5f64, -122));
|
||||
assert_eq!((x2, exp2), (0.5f64, -110));
|
||||
assert_eq!(Float::ldexp(x1, exp1), f1);
|
||||
assert_eq!(Float::ldexp(x2, exp2), f2);
|
||||
|
||||
assert_eq!(0f64.frexp(), (0f64, 0));
|
||||
assert_eq!((-0f64).frexp(), (-0f64, 0));
|
||||
}
|
||||
|
||||
#[test] #[cfg_attr(windows, ignore)] // FIXME #8755
|
||||
fn test_frexp_nowin() {
|
||||
let inf: f64 = Float::infinity();
|
||||
let neg_inf: f64 = Float::neg_infinity();
|
||||
let nan: f64 = Float::nan();
|
||||
assert_eq!(match inf.frexp() { (x, _) => x }, inf);
|
||||
assert_eq!(match neg_inf.frexp() { (x, _) => x }, neg_inf);
|
||||
assert!(match nan.frexp() { (x, _) => x.is_nan() })
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_integer_decode() {
|
||||
assert_eq!(3.14159265359f64.integer_decode(), (7074237752028906, -51, 1));
|
||||
assert_eq!((-8573.5918555f64).integer_decode(), (4713381968463931, -39, -1));
|
||||
assert_eq!(2f64.powf(100.0).integer_decode(), (4503599627370496, 48, 1));
|
||||
assert_eq!(0f64.integer_decode(), (0, -1075, 1));
|
||||
assert_eq!((-0f64).integer_decode(), (0, -1075, -1));
|
||||
assert_eq!(INFINITY.integer_decode(), (4503599627370496, 972, 1));
|
||||
assert_eq!(NEG_INFINITY.integer_decode(), (4503599627370496, 972, -1));
|
||||
assert_eq!(NAN.integer_decode(), (6755399441055744, 972, 1));
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_sqrt_domain() {
|
||||
assert!(NAN.sqrt().is_nan());
|
||||
assert!(NEG_INFINITY.sqrt().is_nan());
|
||||
assert!((-1.0f64).sqrt().is_nan());
|
||||
assert_eq!((-0.0f64).sqrt(), -0.0);
|
||||
assert_eq!(0.0f64.sqrt(), 0.0);
|
||||
assert_eq!(1.0f64.sqrt(), 1.0);
|
||||
assert_eq!(INFINITY.sqrt(), INFINITY);
|
||||
}
|
||||
}
|
||||
|
|
Loading…
Reference in New Issue