Merge pull request #83 from aepsil0n/asserteq-refs
Implement AssertEq for reference types
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commit
7c45887161
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@ -231,6 +231,42 @@ impl ApproxEq<f64> for f64 {
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}
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}
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impl<'a, N, T: ApproxEq<N>> ApproxEq<N> for &'a T {
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fn approx_epsilon(_: Option<&'a T>) -> N {
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ApproxEq::approx_epsilon(None::<T>)
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}
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fn approx_eq_eps(&self, other: &&'a T, approx_epsilon: &N) -> bool {
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ApproxEq::approx_eq_eps(*self, *other, approx_epsilon)
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}
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fn approx_ulps(_: Option<&'a T>) -> u32 {
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ApproxEq::approx_ulps(None::<T>)
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}
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fn approx_eq_ulps(&self, other: &&'a T, ulps: u32) -> bool {
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ApproxEq::approx_eq_ulps(*self, *other, ulps)
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}
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}
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impl<'a, N, T: ApproxEq<N>> ApproxEq<N> for &'a mut T {
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fn approx_epsilon(_: Option<&'a mut T>) -> N {
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ApproxEq::approx_epsilon(None::<T>)
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}
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fn approx_eq_eps(&self, other: &&'a mut T, approx_epsilon: &N) -> bool {
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ApproxEq::approx_eq_eps(*self, *other, approx_epsilon)
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}
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fn approx_ulps(_: Option<&'a mut T>) -> u32 {
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ApproxEq::approx_ulps(None::<T>)
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}
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fn approx_eq_ulps(&self, other: &&'a mut T, ulps: u32) -> bool {
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ApproxEq::approx_eq_ulps(*self, *other, ulps)
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}
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}
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/// Trait of objects having an absolute value.
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/// This is useful if the object does not have the same type as its absolute value.
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pub trait Absolute<A> {
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@ -13,6 +13,7 @@ fn assert_approx_eq_f64() {
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let a = 1.0f64;
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let b = 1.0f64 + 1.0e-12f64;
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assert_approx_eq!(a, b);
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assert_approx_eq!(&a, &b);
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}
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#[test]
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@ -26,6 +27,7 @@ fn assert_approx_eq_vec2_f32_fail() {
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#[test]
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fn assert_approx_eq_eps_f32() {
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assert_approx_eq_eps!(1.0f32, 1.1, 0.2);
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assert_approx_eq_eps!(&mut 1.0f32, &mut 1.1, 0.2);
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}
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#[test]
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@ -40,6 +42,7 @@ fn assert_approx_eq_ulps_f32() {
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let y = 1000000.1_f32;
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assert!(x != y);
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assert_approx_eq_ulps!(x, y, 3);
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assert_approx_eq_ulps!(&x, &y, 3);
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}
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#[test]
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