diff options
Diffstat (limited to 'tests/stdlib/tmath.nim')
| -rw-r--r-- | tests/stdlib/tmath.nim | 114 |
1 files changed, 105 insertions, 9 deletions
diff --git a/tests/stdlib/tmath.nim b/tests/stdlib/tmath.nim index 49b4c82f1..22e5f7d88 100644 --- a/tests/stdlib/tmath.nim +++ b/tests/stdlib/tmath.nim @@ -1,12 +1,14 @@ discard """ targets: "c cpp js" - matrix:"; -d:danger" + matrix:"; -d:danger; --mm:refc" """ # xxx: there should be a test with `-d:nimTmathCase2 -d:danger --passc:-ffast-math`, # but it requires disabling certain lines with `when not defined(nimTmathCase2)` import std/math +import std/assertions + # Function for approximate comparison of floats proc `==~`(x, y: float): bool = abs(x - y) < 1e-9 @@ -29,10 +31,6 @@ 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 +44,7 @@ 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 @@ -109,6 +108,46 @@ template main() = doAssert euclDiv(-9, -3) == 3 doAssert euclMod(-9, -3) == 0 + block: # ceilDiv + doAssert ceilDiv(8, 3) == 3 + doAssert ceilDiv(8, 4) == 2 + doAssert ceilDiv(8, 5) == 2 + doAssert ceilDiv(11, 3) == 4 + doAssert ceilDiv(12, 3) == 4 + doAssert ceilDiv(13, 3) == 5 + doAssert ceilDiv(41, 7) == 6 + doAssert ceilDiv(0, 1) == 0 + doAssert ceilDiv(1, 1) == 1 + doAssert ceilDiv(1, 2) == 1 + doAssert ceilDiv(2, 1) == 2 + doAssert ceilDiv(2, 2) == 1 + doAssert ceilDiv(0, high(int)) == 0 + doAssert ceilDiv(1, high(int)) == 1 + doAssert ceilDiv(0, high(int) - 1) == 0 + doAssert ceilDiv(1, high(int) - 1) == 1 + doAssert ceilDiv(high(int) div 2, high(int) div 2 + 1) == 1 + doAssert ceilDiv(high(int) div 2, high(int) div 2 + 2) == 1 + doAssert ceilDiv(high(int) div 2 + 1, high(int) div 2) == 2 + doAssert ceilDiv(high(int) div 2 + 2, high(int) div 2) == 2 + doAssert ceilDiv(high(int) div 2 + 1, high(int) div 2 + 1) == 1 + doAssert ceilDiv(high(int), 1) == high(int) + doAssert ceilDiv(high(int) - 1, 1) == high(int) - 1 + doAssert ceilDiv(high(int) - 1, 2) == high(int) div 2 + doAssert ceilDiv(high(int) - 1, high(int)) == 1 + doAssert ceilDiv(high(int) - 1, high(int) - 1) == 1 + doAssert ceilDiv(high(int) - 1, high(int) - 2) == 2 + doAssert ceilDiv(high(int), high(int)) == 1 + doAssert ceilDiv(high(int), high(int) - 1) == 2 + doAssert ceilDiv(255'u8, 1'u8) == 255'u8 + doAssert ceilDiv(254'u8, 2'u8) == 127'u8 + when not defined(danger): + doAssertRaises(AssertionDefect): discard ceilDiv(41, 0) + doAssertRaises(AssertionDefect): discard ceilDiv(41, -1) + doAssertRaises(AssertionDefect): discard ceilDiv(-1, 1) + doAssertRaises(AssertionDefect): discard ceilDiv(-1, -1) + doAssertRaises(AssertionDefect): discard ceilDiv(254'u8, 3'u8) + doAssertRaises(AssertionDefect): discard ceilDiv(255'u8, 2'u8) + block: # splitDecimal() tests doAssert splitDecimal(54.674).intpart == 54.0 doAssert splitDecimal(54.674).floatpart ==~ 0.674 @@ -147,7 +186,22 @@ template main() = when not defined(nimTmathCase2): doAssert classify(trunc(f_nan.float32)) == fcNan doAssert classify(trunc(0.0'f32)) == fcZero - + + block: # divmod + doAssert divmod(int.high, 1) == (int.high, 0) + doAssert divmod(-1073741823, 17) == (-63161283, -12) + doAssert divmod(int32.high, 1.int32) == (int32.high, 0.int32) + doAssert divmod(1073741823.int32, 5.int32) == (214748364.int32, 3.int32) + doAssert divmod(4611686018427387903.int64, 5.int64) == (922337203685477580.int64, 3.int64) + when not defined(js) and (not compileOption("panics")) and compileOption("overflowChecks"): + when nimvm: + discard # cannot catch OverflowDefect here + else: + doAssertRaises(OverflowDefect, (discard divmod(cint.low, -1.cint))) + doAssertRaises(OverflowDefect, (discard divmod(clong.low, -1.clong))) + doAssertRaises(OverflowDefect, (discard divmod(clonglong.low, -1.clonglong))) + doAssertRaises(DivByZeroDefect, (discard divmod(1, 0))) + block: # log doAssert log(4.0, 3.0) ==~ ln(4.0) / ln(3.0) doAssert log2(8.0'f64) == 3.0'f64 @@ -358,7 +412,7 @@ 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 +424,50 @@ 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 static: main() main() + +when not defined(js) and not defined(danger): + block: # bug #21792 + block: + type Digit = 0..9 + var x = [Digit 4, 7] + + doAssertRaises(RangeDefect): + discard sum(x) + + block: + var x = [int8 124, 127] + + doAssertRaises(OverflowDefect): + discard sum(x) |