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| author | Timothee Cour <timothee.cour2@gmail.com> | 2022-04-07 14:38:01 -0700 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2022-04-07 17:38:01 -0400 |
| commit | e78ef57c93d66da483e0482ce0907dfe16dc8d27 (patch) | |
| tree | 32ba3900b479bc2e046aca563df99c1be77a5d9d /lib/system/countbits_impl.nim | |
| parent | 1807de38e52f45c2fb88dac9b99b47729b12ebae (diff) | |
| download | Nim-e78ef57c93d66da483e0482ce0907dfe16dc8d27.tar.gz | |
typetraits: add toSigned, toUnsigned (#18445)
* typetraits: add toSigned, toUnsigned * improve and add tests Co-authored-by: Andreas Rumpf <rumpf_a@web.de> Co-authored-by: flywind <xzsflywind@gmail.com>
Diffstat (limited to 'lib/system/countbits_impl.nim')
| -rw-r--r-- | lib/system/countbits_impl.nim | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/lib/system/countbits_impl.nim b/lib/system/countbits_impl.nim index 020423e01..34969cb32 100644 --- a/lib/system/countbits_impl.nim +++ b/lib/system/countbits_impl.nim @@ -9,8 +9,7 @@ ## Contains the used algorithms for counting bits. -from std/private/bitops_utils import forwardImpl, toUnsigned - +from std/private/bitops_utils import forwardImpl, castToUnsigned const useBuiltins* = not defined(noIntrinsicsBitOpts) const noUndefined* = defined(noUndefinedBitOpts) @@ -65,8 +64,7 @@ func countSetBitsImpl*(x: SomeInteger): int {.inline.} = ## Counts the set bits in an integer (also called `Hamming weight`:idx:). # TODO: figure out if ICC support _popcnt32/_popcnt64 on platform without POPCNT. # like GCC and MSVC - when x is SomeSignedInt: - let x = x.toUnsigned + let x = x.castToUnsigned when nimvm: result = forwardImpl(countBitsImpl, x) else: |