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Optimize handling of integer constants

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This commit is contained in:
Victor Zverovich 2021-02-21 10:53:09 -08:00
parent e8eff3b8fd
commit 2797588be1
2 changed files with 8 additions and 8 deletions
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8
include/fmt/format-inl.h
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@ -244,11 +244,6 @@ const typename basic_data<T>::digit_pair basic_data<T>::digits[] = {
{'9', '0'}, {'9', '1'}, {'9', '2'}, {'9', '3'}, {'9', '4'}, {'9', '5'},
{'9', '6'}, {'9', '7'}, {'9', '8'}, {'9', '9'}};
#define FMT_POWERS_OF_10(factor) \
factor * 10, (factor)*100, (factor)*1000, (factor)*10000, (factor)*100000, \
(factor)*1000000, (factor)*10000000, (factor)*100000000, \
(factor)*1000000000
template <typename T>
const uint64_t basic_data<T>::powers_of_10_64[] = {
1, FMT_POWERS_OF_10(1), FMT_POWERS_OF_10(1000000000ULL),
@ -263,8 +258,7 @@ const uint64_t basic_data<T>::zero_or_powers_of_10_64[] = {
10000000000000000000ULL};
template <typename T>
const uint32_t basic_data<T>::zero_or_powers_of_10_32_new[] = {
0, 0, FMT_POWERS_OF_10(1)};
constexpr uint32_t basic_data<T>::zero_or_powers_of_10_32_new[];
template <typename T>
const uint64_t basic_data<T>::zero_or_powers_of_10_64_new[] = {

8
include/fmt/format.h
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@ -1024,10 +1024,16 @@ template <typename T> struct FMT_EXTERN_TEMPLATE_API divtest_table_entry {
T max_quotient;
};
#define FMT_POWERS_OF_10(factor) \
factor * 10u, (factor)*100u, (factor)*1000u, (factor)*10000u, \
(factor)*100000u, (factor)*1000000u, (factor)*10000000u, \
(factor)*100000000u, (factor)*1000000000u
// Static data is placed in this class template for the header-only config.
template <typename T = void> struct FMT_EXTERN_TEMPLATE_API basic_data {
static const uint64_t powers_of_10_64[];
static const uint32_t zero_or_powers_of_10_32_new[];
static constexpr uint32_t zero_or_powers_of_10_32_new[] = {
0, 0, FMT_POWERS_OF_10(1)};
static const uint64_t zero_or_powers_of_10_64_new[];
static const uint64_t grisu_pow10_significands[];
static const int16_t grisu_pow10_exponents[];