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add euclDiv and euclMod to math (#16414)

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* add `euclDiv` and `euclMod` to `math`
* use abs
* Update lib/pure/math.nim

Co-authored-by: Clyybber <darkmine956@gmail.com>
This commit is contained in:
flywind
2020-12-23 05:04:38 -06:00
committed by GitHub
parent 417c2509c4
commit b1c3dab208
3 changed files with 56 additions and 0 deletions
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28
tests/stdlib/tmath.nim
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@@ -270,6 +270,34 @@ block:
doAssert floorMod(8.0, -3.0) ==~ -1.0
doAssert floorMod(-8.5, 3.0) ==~ 0.5
block: # euclDiv/euclMod
doAssert euclDiv(8, 3) == 2
doAssert euclMod(8, 3) == 2
doAssert euclDiv(8, -3) == -2
doAssert euclMod(8, -3) == 2
doAssert euclDiv(-8, 3) == -3
doAssert euclMod(-8, 3) == 1
doAssert euclDiv(-8, -3) == 3
doAssert euclMod(-8, -3) == 1
doAssert euclMod(8.0, -3.0) ==~ 2.0
doAssert euclMod(-8.5, 3.0) ==~ 0.5
doAssert euclDiv(9, 3) == 3
doAssert euclMod(9, 3) == 0
doAssert euclDiv(9, -3) == -3
doAssert euclMod(9, -3) == 0
doAssert euclDiv(-9, 3) == -3
doAssert euclMod(-9, 3) == 0
doAssert euclDiv(-9, -3) == 3
doAssert euclMod(-9, -3) == 0
block: # log
doAssert log(4.0, 3.0) ==~ ln(4.0) / ln(3.0)
doAssert log2(8.0'f64) == 3.0'f64