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Add math.copySign (#16406)

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* add math.copySign
* fix + tests
This commit is contained in:
flywind
2020-12-30 08:09:30 -06:00
committed by GitHub
parent 73f778e441
commit 515cd45420
4 changed files with 94 additions and 1 deletions
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50
tests/stdlib/tmath.nim
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@@ -308,5 +308,53 @@ template main =
doAssert not Inf.isNaN
doAssert isNaN(Inf - Inf)
main()
block: # copySign
doAssert copySign(10.0, -1.0) == -10.0
doAssert copySign(-10.0, -1.0) == -10.0
doAssert copySign(-10.0, 1.0) == 10.0
doAssert copySign(float(10), -1.0) == -10.0
doAssert copySign(10.0'f64, -1.0) == -10.0
doAssert copySign(-10.0'f64, -1.0) == -10.0
doAssert copySign(-10.0'f64, 1.0) == 10.0
doAssert copySign(10'f64, -1.0) == -10.0
doAssert copySign(10.0'f32, -1.0) == -10.0
doAssert copySign(-10.0'f32, -1.0) == -10.0
doAssert copySign(-10.0'f32, 1.0) == 10.0
doAssert copySign(10'f32, -1.0) == -10.0
doAssert copySign(Inf, -1.0) == -Inf
doAssert copySign(-Inf, 1.0) == Inf
doAssert copySign(Inf, 1.0) == Inf
doAssert copySign(-Inf, -1.0) == -Inf
doAssert copySign(Inf, 0.0) == Inf
doAssert copySign(Inf, -0.0) == -Inf
doAssert copySign(-Inf, 0.0) == Inf
doAssert copySign(-Inf, -0.0) == -Inf
doAssert copySign(1.0, -0.0) == -1.0
doAssert copySign(0.0, -0.0) == -0.0
doAssert copySign(-1.0, 0.0) == 1.0
doAssert copySign(10.0, 0.0) == 10.0
doAssert copySign(-1.0, NaN) == 1.0
doAssert copySign(10.0, NaN) == 10.0
doAssert copySign(NaN, NaN).isNaN
doAssert copySign(-NaN, NaN).isNaN
doAssert copySign(NaN, -NaN).isNaN
doAssert copySign(-NaN, -NaN).isNaN
doAssert copySign(NaN, 0.0).isNaN
doAssert copySign(NaN, -0.0).isNaN
doAssert copySign(-NaN, 0.0).isNaN
doAssert copySign(-NaN, -0.0).isNaN
when nimvm:
discard
else:
when not defined(js):
doAssert copySign(-1.0, -NaN) == 1.0
doAssert copySign(10.0, -NaN) == 10.0
doAssert copySign(1.0, copySign(NaN, -1.0)) == -1.0 # fails in VM
static: main()
main()