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fixes intops.shr for Nim 0.19.6

This commit is contained in:
andri lim 2019-10-22 22:23:08 +07:00 committed by zah
parent fb9b5fde72
commit 59acce63b7
1 changed files with 10 additions and 1 deletions
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9
stint/intops.nim
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@ -127,7 +127,16 @@ func `xor`*(x, y: SomeBigInteger): SomeBigInteger {.inline.}=
result.data = x.data xor y.data
func `shr`*(x: SomeBigInteger, y: SomeInteger): SomeBigInteger {.inline.} =
when x.data is SomeSignedInt:
when (NimMajor, NimMinor, NimPatch) >= (0, 20, 0):
result.data = x.data shr y
elif (NimMajor, NimMinor, NimPatch) < (0, 20, 0) and defined(nimAshr):
result.data = ashr(x.data, y)
else:
{.error: "arithmetic right shift is not defined for this Nim version".}
else:
result.data = x.data shr y
func `shl`*(x: SomeBigInteger, y: SomeInteger): SomeBigInteger {.inline.} =
result.data = x.data shl y