fmtlib/fmt
1
0
Fork 1
mirror of https://github.com/fmtlib/fmt.git synced 2025-11-27 12:49:46 +01:00
Code Issues Packages Projects Releases Wiki Activity

int128_t -> int128_opt

Browse Source
This commit is contained in:
Victor Zverovich
2022-02-17 19:05:25 -08:00
parent 532a69a639
commit 15c2a3bacc
5 changed files with 86 additions and 78 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
include/fmt/format-inl.h
View File

@@ -558,7 +558,8 @@ class bigint {
int num_result_bigits = 2 * num_bigits;
basic_memory_buffer<bigit, bigits_capacity> n(std::move(bigits_));
bigits_.resize(to_unsigned(num_result_bigits));
using accumulator_t = conditional_t<FMT_USE_INT128, uint128_t, accumulator>;
using accumulator_t =
conditional_t<FMT_USE_INT128, uint128_opt, accumulator>;
auto sum = accumulator_t();
for (int bigit_index = 0; bigit_index < num_bigits; ++bigit_index) {
// Compute bigit at position bigit_index of the result by adding
@@ -833,7 +834,7 @@ namespace dragonbox {
// Computes 128-bit result of multiplication of two 64-bit unsigned integers.
inline uint128_wrapper umul128(uint64_t x, uint64_t y) noexcept {
#if FMT_USE_INT128
auto p = static_cast<uint128_t>(x) * static_cast<uint128_t>(y);
auto p = static_cast<uint128_opt>(x) * static_cast<uint128_opt>(y);
return {static_cast<uint64_t>(p >> 64), static_cast<uint64_t>(p)};
#elif defined(_MSC_VER) && defined(_M_X64)
uint128_wrapper result;
@@ -863,7 +864,7 @@ inline uint128_wrapper umul128(uint64_t x, uint64_t y) noexcept {
// Computes upper 64 bits of multiplication of two 64-bit unsigned integers.
inline uint64_t umul128_upper64(uint64_t x, uint64_t y) noexcept {
#if FMT_USE_INT128
auto p = static_cast<uint128_t>(x) * static_cast<uint128_t>(y);
auto p = static_cast<uint128_opt>(x) * static_cast<uint128_opt>(y);
return static_cast<uint64_t>(p >> 64);
#elif defined(_MSC_VER) && defined(_M_X64)
return __umulh(x, y);