coffee/fast_float
1
0
Fork 0
mirror of https://github.com/fastfloat/fast_float.git synced 2025-12-07 17:26:51 +08:00
Code Issues Packages Projects Releases Wiki Activity

making constexpr as inline.

Browse Source
This commit is contained in:
Daniel Lemire 2021-06-01 09:46:43 -04:00
parent 799f24ba07
commit 06e61729c9
1 changed files with 36 additions and 36 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

72
include/fast_float/float_common.h
View File

@ -210,68 +210,68 @@ constexpr static float powers_of_ten_float[] = {1e0, 1e1, 1e2, 1e3, 1e4, 1e5,
1e6, 1e7, 1e8, 1e9, 1e10};
template <typename T> struct binary_format {
static constexpr int mantissa_explicit_bits();
static constexpr int minimum_exponent();
static constexpr int infinite_power();
static constexpr int sign_index();
static constexpr int min_exponent_fast_path();
static constexpr int max_exponent_fast_path();
static constexpr int max_exponent_round_to_even();
static constexpr int min_exponent_round_to_even();
static constexpr uint64_t max_mantissa_fast_path();
static constexpr int largest_power_of_ten();
static constexpr int smallest_power_of_ten();
static constexpr T exact_power_of_ten(int64_t power);
static inline constexpr int mantissa_explicit_bits();
static inline constexpr int minimum_exponent();
static inline constexpr int infinite_power();
static inline constexpr int sign_index();
static inline constexpr int min_exponent_fast_path();
static inline constexpr int max_exponent_fast_path();
static inline constexpr int max_exponent_round_to_even();
static inline constexpr int min_exponent_round_to_even();
static inline constexpr uint64_t max_mantissa_fast_path();
static inline constexpr int largest_power_of_ten();
static inline constexpr int smallest_power_of_ten();
static inline constexpr T exact_power_of_ten(int64_t power);
};
template <> constexpr int binary_format<double>::mantissa_explicit_bits() {
template <> inline constexpr int binary_format<double>::mantissa_explicit_bits() {
return 52;
}
template <> constexpr int binary_format<float>::mantissa_explicit_bits() {
template <> inline constexpr int binary_format<float>::mantissa_explicit_bits() {
return 23;
}
template <> constexpr int binary_format<double>::max_exponent_round_to_even() {
template <> inline constexpr int binary_format<double>::max_exponent_round_to_even() {
return 23;
}
template <> constexpr int binary_format<float>::max_exponent_round_to_even() {
template <> inline constexpr int binary_format<float>::max_exponent_round_to_even() {
return 10;
}
template <> constexpr int binary_format<double>::min_exponent_round_to_even() {
template <> inline constexpr int binary_format<double>::min_exponent_round_to_even() {
return -4;
}
template <> constexpr int binary_format<float>::min_exponent_round_to_even() {
template <> inline constexpr int binary_format<float>::min_exponent_round_to_even() {
return -17;
}
template <> constexpr int binary_format<double>::minimum_exponent() {
template <> inline constexpr int binary_format<double>::minimum_exponent() {
return -1023;
}
template <> constexpr int binary_format<float>::minimum_exponent() {
template <> inline constexpr int binary_format<float>::minimum_exponent() {
return -127;
}
template <> constexpr int binary_format<double>::infinite_power() {
template <> inline constexpr int binary_format<double>::infinite_power() {
return 0x7FF;
}
template <> constexpr int binary_format<float>::infinite_power() {
template <> inline constexpr int binary_format<float>::infinite_power() {
return 0xFF;
}
template <> constexpr int binary_format<double>::sign_index() { return 63; }
template <> constexpr int binary_format<float>::sign_index() { return 31; }
template <> inline constexpr int binary_format<double>::sign_index() { return 63; }
template <> inline constexpr int binary_format<float>::sign_index() { return 31; }
template <> constexpr int binary_format<double>::min_exponent_fast_path() {
template <> inline constexpr int binary_format<double>::min_exponent_fast_path() {
#if (FLT_EVAL_METHOD != 1) && (FLT_EVAL_METHOD != 0)
return 0;
#else
return -22;
#endif
}
template <> constexpr int binary_format<float>::min_exponent_fast_path() {
template <> inline constexpr int binary_format<float>::min_exponent_fast_path() {
#if (FLT_EVAL_METHOD != 1) && (FLT_EVAL_METHOD != 0)
return 0;
#else
@ -279,46 +279,46 @@ template <> constexpr int binary_format<float>::min_exponent_fast_path() {
#endif
}
template <> constexpr int binary_format<double>::max_exponent_fast_path() {
template <> inline constexpr int binary_format<double>::max_exponent_fast_path() {
return 22;
}
template <> constexpr int binary_format<float>::max_exponent_fast_path() {
template <> inline constexpr int binary_format<float>::max_exponent_fast_path() {
return 10;
}
template <> constexpr uint64_t binary_format<double>::max_mantissa_fast_path() {
template <> inline constexpr uint64_t binary_format<double>::max_mantissa_fast_path() {
return uint64_t(2) << mantissa_explicit_bits();
}
template <> constexpr uint64_t binary_format<float>::max_mantissa_fast_path() {
template <> inline constexpr uint64_t binary_format<float>::max_mantissa_fast_path() {
return uint64_t(2) << mantissa_explicit_bits();
}
template <>
constexpr double binary_format<double>::exact_power_of_ten(int64_t power) {
inline constexpr double binary_format<double>::exact_power_of_ten(int64_t power) {
return powers_of_ten_double[power];
}
template <>
constexpr float binary_format<float>::exact_power_of_ten(int64_t power) {
inline constexpr float binary_format<float>::exact_power_of_ten(int64_t power) {
return powers_of_ten_float[power];
}
template <>
constexpr int binary_format<double>::largest_power_of_ten() {
inline constexpr int binary_format<double>::largest_power_of_ten() {
return 308;
}
template <>
constexpr int binary_format<float>::largest_power_of_ten() {
inline constexpr int binary_format<float>::largest_power_of_ten() {
return 38;
}
template <>
constexpr int binary_format<double>::smallest_power_of_ten() {
inline constexpr int binary_format<double>::smallest_power_of_ten() {
return -342;
}
template <>
constexpr int binary_format<float>::smallest_power_of_ten() {
inline constexpr int binary_format<float>::smallest_power_of_ten() {
return -65;
}