diff options
Diffstat (limited to 'tests/stdlib')
| -rw-r--r-- | tests/stdlib/tmath.nim | 50 |
1 files changed, 49 insertions, 1 deletions
diff --git a/tests/stdlib/tmath.nim b/tests/stdlib/tmath.nim index 64a4ff0ca..1b6fb4e9f 100644 --- a/tests/stdlib/tmath.nim +++ b/tests/stdlib/tmath.nim @@ -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() |