diff options
Diffstat (limited to 'tests/stdlib/tmath.nim')
| -rw-r--r-- | tests/stdlib/tmath.nim | 30 |
1 files changed, 26 insertions, 4 deletions
diff --git a/tests/stdlib/tmath.nim b/tests/stdlib/tmath.nim index fbc6b80ad..e5cb58eba 100644 --- a/tests/stdlib/tmath.nim +++ b/tests/stdlib/tmath.nim @@ -10,6 +10,10 @@ import std/[math, random, os] import std/[unittest] import std/[sets, tables] + +# Function for approximate comparison of floats +proc `==~`(x, y: float): bool = (abs(x-y) < 1e-9) + block: # random int block: # there might be some randomness var set = initHashSet[int](128) @@ -158,10 +162,6 @@ block: doAssert(erf(6.0) > erf(5.0)) doAssert(erfc(6.0) < erfc(5.0)) - proc `==~`(x, y: float): bool = (abs(x-y) < 1e-9) - # Function for approximate comparison of floats - # xxx use `almostEqual` - block: # prod doAssert prod([1, 2, 3, 4]) == 24 doAssert prod([1.5, 3.4]).almostEqual 5.1 @@ -349,6 +349,28 @@ template main = doAssert copySign(-NaN, 0.0).isNaN doAssert copySign(-NaN, -0.0).isNaN + block: # round() tests + # Round to 0 decimal places + doAssert round(54.652) == 55.0 + doAssert round(54.352) == 54.0 + doAssert round(-54.652) == -55.0 + doAssert round(-54.352) == -54.0 + doAssert round(0.0) == 0.0 + doAssert 1 / round(0.0) == Inf + doAssert 1 / round(-0.0) == -Inf + doAssert round(Inf) == Inf + doAssert round(-Inf) == -Inf + doAssert round(NaN).isNaN + doAssert round(-NaN).isNaN + doAssert round(-0.5) == -1.0 + doAssert round(0.5) == 1.0 + doAssert round(-1.5) == -2.0 + doAssert round(1.5) == 2.0 + doAssert round(-2.5) == -3.0 + doAssert round(2.5) == 3.0 + doAssert round(2.5'f32) == 3.0'f32 + doAssert round(2.5'f64) == 3.0'f64 + when nimvm: discard else: |