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Get rid of detail::bits

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This commit is contained in:
Victor Zverovich
2022-05-29 07:10:36 -07:00
parent 65dd2ea52c
commit 542785ccbf
1 changed files with 5 additions and 9 deletions
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14
include/fmt/format-inl.h
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@@ -197,17 +197,13 @@ template <typename T> constexpr int16_t basic_impl_data<T>::pow10_exponents[];
template <typename T> constexpr uint64_t basic_impl_data<T>::power_of_10_64[]; template <typename T> constexpr uint64_t basic_impl_data<T>::power_of_10_64[];
#endif #endif
template <typename T> struct bits {
static FMT_CONSTEXPR_DECL const int value =
static_cast<int>(sizeof(T) * std::numeric_limits<unsigned char>::digits);
};
// A floating-point number f * pow(2, e) where F is an unsigned type. // A floating-point number f * pow(2, e) where F is an unsigned type.
template <typename F> struct basic_fp { template <typename F> struct basic_fp {
F f; F f;
int e; int e;
static constexpr const int num_significand_bits = bits<F>::value; static constexpr const int num_significand_bits =
static_cast<int>(sizeof(F) * num_bits<unsigned char>());
constexpr basic_fp() : f(0), e(0) {} constexpr basic_fp() : f(0), e(0) {}
constexpr basic_fp(uint64_t f_val, int e_val) : f(f_val), e(e_val) {} constexpr basic_fp(uint64_t f_val, int e_val) : f(f_val), e(e_val) {}
@@ -335,7 +331,7 @@ class bigint {
return bigits_[to_unsigned(index)]; return bigits_[to_unsigned(index)];
} }
static FMT_CONSTEXPR_DECL const int bigit_bits = bits<bigit>::value; static FMT_CONSTEXPR_DECL const int bigit_bits = num_bits<bigit>();
friend struct formatter<bigint>; friend struct formatter<bigint>;
@@ -526,7 +522,7 @@ class bigint {
sum += static_cast<double_bigit>(n[i]) * n[j]; sum += static_cast<double_bigit>(n[i]) * n[j];
} }
(*this)[bigit_index] = static_cast<bigit>(sum); (*this)[bigit_index] = static_cast<bigit>(sum);
sum >>= bits<bigit>::value; // Compute the carry. sum >>= num_bits<bigit>(); // Compute the carry.
} }
// Do the same for the top half. // Do the same for the top half.
for (int bigit_index = num_bigits; bigit_index < num_result_bigits; for (int bigit_index = num_bigits; bigit_index < num_result_bigits;
@@ -534,7 +530,7 @@ class bigint {
for (int j = num_bigits - 1, i = bigit_index - j; i < num_bigits;) for (int j = num_bigits - 1, i = bigit_index - j; i < num_bigits;)
sum += static_cast<double_bigit>(n[i++]) * n[j--]; sum += static_cast<double_bigit>(n[i++]) * n[j--];
(*this)[bigit_index] = static_cast<bigit>(sum); (*this)[bigit_index] = static_cast<bigit>(sum);
sum >>= bits<bigit>::value; sum >>= num_bits<bigit>();
} }
remove_leading_zeros(); remove_leading_zeros();
exp_ *= 2; exp_ *= 2;