42 lines
1.1 KiB
Rust
42 lines
1.1 KiB
Rust
// FIXME(f16_f128): only tested on platforms that have symbols and aren't buggy
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#![cfg(target_has_reliable_f16)]
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use super::{assert_approx_eq, assert_biteq};
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/// Tolerance for results on the order of 10.0e-2
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#[allow(unused)]
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const TOL_N2: f16 = 0.0001;
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/// Tolerance for results on the order of 10.0e+0
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#[allow(unused)]
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const TOL_0: f16 = 0.01;
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/// Tolerance for results on the order of 10.0e+2
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#[allow(unused)]
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const TOL_P2: f16 = 0.5;
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/// Tolerance for results on the order of 10.0e+4
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#[allow(unused)]
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const TOL_P4: f16 = 10.0;
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// FIXME(f16_f128,miri): many of these have to be disabled since miri does not yet support
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// the intrinsics.
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#[test]
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#[cfg(any(miri, target_has_reliable_f16_math))]
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fn test_max_recip() {
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assert_approx_eq!(f16::MAX.recip(), 1.526624e-5f16, 1e-4);
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}
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#[test]
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fn test_from() {
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assert_biteq!(f16::from(false), 0.0);
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assert_biteq!(f16::from(true), 1.0);
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assert_biteq!(f16::from(u8::MIN), 0.0);
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assert_biteq!(f16::from(42_u8), 42.0);
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assert_biteq!(f16::from(u8::MAX), 255.0);
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assert_biteq!(f16::from(i8::MIN), -128.0);
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assert_biteq!(f16::from(42_i8), 42.0);
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assert_biteq!(f16::from(i8::MAX), 127.0);
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}
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