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| author | konsumlamm <44230978+konsumlamm@users.noreply.github.com> | 2021-04-01 12:47:56 +0200 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2021-04-01 12:47:56 +0200 |
| commit | f0587e02e255b1fc1a0d0b21aebcacf37ec43c8f (patch) | |
| tree | 68527a648264732fc3451c375f47938617e7ba17 /tests/stdlib/tmath.nim | |
| parent | e25a487ed6237d30a461137d0a206e1e1a2f62d9 (diff) | |
| download | Nim-f0587e02e255b1fc1a0d0b21aebcacf37ec43c8f.tar.gz | |
Fix #17017 (math edge cases) (#17588)
* Fix #17017 Add more test cases * USe signbit in example
Diffstat (limited to 'tests/stdlib/tmath.nim')
| -rw-r--r-- | tests/stdlib/tmath.nim | 45 |
1 files changed, 38 insertions, 7 deletions
diff --git a/tests/stdlib/tmath.nim b/tests/stdlib/tmath.nim index 49b4c82f1..2cf544ddb 100644 --- a/tests/stdlib/tmath.nim +++ b/tests/stdlib/tmath.nim @@ -29,10 +29,6 @@ template main() = doAssert erf(6.0) > erf(5.0) doAssert erfc(6.0) < erfc(5.0) - when not defined(js) and not defined(windows): # xxx pending bug #17017 - doAssert gamma(-1.0).isNaN - - block: # sgn() tests doAssert sgn(1'i8) == 1 doAssert sgn(1'i16) == 1 @@ -46,6 +42,7 @@ template main() = doAssert sgn(123.9834'f64) == 1 doAssert sgn(0'i32) == 0 doAssert sgn(0'f32) == 0 + doAssert sgn(-0.0'f64) == 0 doAssert sgn(NegInf) == -1 doAssert sgn(Inf) == 1 doAssert sgn(NaN) == 0 @@ -358,7 +355,7 @@ template main() = doAssert almostEqual(prod([1.5, 3.4]), 5.1) let x: seq[float] = @[] doAssert prod(x) == 1.0 - + block: # clamp range doAssert clamp(10, 1..5) == 5 doAssert clamp(3, 1..5) == 3 @@ -370,8 +367,42 @@ template main() = doAssert a1.clamp(a2..a4) == a2 doAssert clamp((3, 0), (1, 0) .. (2, 9)) == (2, 9) - when not defined(windows): # xxx pending bug #17017 - doAssert sqrt(-1.0).isNaN + block: # edge cases + doAssert sqrt(-4.0).isNaN + + doAssert ln(0.0) == -Inf + doAssert ln(-0.0) == -Inf + doAssert ln(-12.0).isNaN + + doAssert log10(0.0) == -Inf + doAssert log10(-0.0) == -Inf + doAssert log10(-12.0).isNaN + + doAssert log2(0.0) == -Inf + doAssert log2(-0.0) == -Inf + doAssert log2(-12.0).isNaN + + when nimvm: discard + else: + doAssert frexp(0.0) == (0.0, 0) + doAssert frexp(-0.0) == (-0.0, 0) + doAssert classify(frexp(-0.0)[0]) == fcNegZero + + when not defined(js): + doAssert gamma(0.0) == Inf + doAssert gamma(-0.0) == -Inf + doAssert gamma(-1.0).isNaN + + doAssert lgamma(0.0) == Inf + doAssert lgamma(-0.0) == Inf + doAssert lgamma(-1.0) == Inf + + when nimvm: discard + else: + var exponent: cint + doAssert c_frexp(0.0, exponent) == 0.0 + doAssert c_frexp(-0.0, exponent) == -0.0 + doAssert classify(c_frexp(-0.0, exponent)) == fcNegZero static: main() main() |