diff options
| -rw-r--r-- | asl/BUILD.bazel | 5 | ||||
| -rw-r--r-- | asl/float.hpp | 17 | ||||
| -rw-r--r-- | asl/format.cpp | 19 | ||||
| -rw-r--r-- | asl/format.hpp | 2 | ||||
| -rw-r--r-- | asl/format_float.cpp | 97 | ||||
| -rw-r--r-- | asl/meta.hpp | 6 | ||||
| -rw-r--r-- | asl/string_view.hpp | 10 | ||||
| -rw-r--r-- | asl/tests/float_tests.cpp | 23 | ||||
| -rw-r--r-- | asl/tests/format_tests.cpp | 27 | ||||
| -rw-r--r-- | asl/tests/meta_tests.cpp | 6 | ||||
| -rw-r--r-- | asl/tests/string_view_tests.cpp | 32 | ||||
| -rw-r--r-- | vendor/dragonbox/BUILD.bazel | 6 | ||||
| -rw-r--r-- | vendor/dragonbox/LICENSE.txt | 218 | ||||
| -rw-r--r-- | vendor/dragonbox/dragonbox.h | 4205 |
14 files changed, 4653 insertions, 20 deletions
diff --git a/asl/BUILD.bazel b/asl/BUILD.bazel index b9875ab..391ae9d 100644 --- a/asl/BUILD.bazel +++ b/asl/BUILD.bazel @@ -6,6 +6,7 @@ cc_library( "assert.hpp",
"box.hpp",
"config.hpp",
+ "float.hpp",
"format.hpp",
"functional.hpp",
"integers.hpp",
@@ -26,6 +27,9 @@ cc_library( "format_float.cpp",
"print.cpp",
],
+ deps = [
+ "//vendor/dragonbox",
+ ],
visibility = ["//visibility:public"],
)
@@ -41,6 +45,7 @@ cc_library( ],
) for name in [
"box",
+ "float",
"format",
"functional",
"integers",
diff --git a/asl/float.hpp b/asl/float.hpp new file mode 100644 index 0000000..8ecf5fa --- /dev/null +++ b/asl/float.hpp @@ -0,0 +1,17 @@ +#pragma once
+
+#include "asl/meta.hpp"
+
+namespace asl
+{
+
+template<is_floating_point T> constexpr T infinity() { return __builtin_inf(); }
+
+template<is_floating_point T> constexpr T nan() { return static_cast<T>(__builtin_nanf("")); }
+
+template<is_floating_point T> constexpr bool is_infinity(T f) { return __builtin_isinf(f); }
+
+template<is_floating_point T> constexpr bool is_nan(T f) { return __builtin_isnan(f); }
+
+} // namespace asl
+
diff --git a/asl/format.cpp b/asl/format.cpp index 6a3e5de..1371431 100644 --- a/asl/format.cpp +++ b/asl/format.cpp @@ -106,7 +106,9 @@ void asl::AslFormat(Formatter& f, uint32_t v) AslFormat(f, static_cast<uint64_t>(v));
}
-void asl::AslFormat(Formatter& f, uint64_t v)
+static constexpr int32_t kMaxUint64Digits = 20;
+
+asl::string_view asl::format_uint64(uint64_t v, asl::span<char, kMaxUint64Digits> buffer)
{
static constexpr char s_pairs_storage[] = {
'0', '0', '0', '1', '0', '2', '0', '3', '0', '4',
@@ -132,10 +134,7 @@ void asl::AslFormat(Formatter& f, uint64_t v) };
static constexpr span s_pairs = s_pairs_storage;
-
- static constexpr int32_t kMaxDigits = 20;
- char buffer[kMaxDigits];
- int32_t cursor = kMaxDigits;
+ int32_t cursor = kMaxUint64Digits;
auto write_two = [&buffer, &cursor](span<const char, 2> str)
{
@@ -161,13 +160,19 @@ void asl::AslFormat(Formatter& f, uint64_t v) {
write_two(s_pairs.subspan(static_cast<isize_t>(v * 2)).first<2>());
}
- else if (v > 0 || cursor == kMaxDigits)
+ else if (v > 0 || cursor == kMaxUint64Digits)
{
ASL_ASSERT(v < 10);
write_one(static_cast<char>('0' + v));
}
- f.write(string_view(buffer, kMaxDigits).substr(cursor));
+ return string_view(buffer.data(), kMaxUint64Digits).substr(cursor);
+}
+
+void asl::AslFormat(Formatter& f, uint64_t v)
+{
+ char buffer[kMaxUint64Digits];
+ f.write(format_uint64(v, buffer));
}
void asl::AslFormat(Formatter& f, int8_t v)
diff --git a/asl/format.hpp b/asl/format.hpp index 9504701..ac51693 100644 --- a/asl/format.hpp +++ b/asl/format.hpp @@ -102,4 +102,6 @@ void AslFormat(Formatter& f, int16_t); void AslFormat(Formatter& f, int32_t);
void AslFormat(Formatter& f, int64_t);
+string_view format_uint64(uint64_t value, span<char, 20> buffer);
+
} // namespace asl
diff --git a/asl/format_float.cpp b/asl/format_float.cpp index 425586f..0a081d5 100644 --- a/asl/format_float.cpp +++ b/asl/format_float.cpp @@ -1,21 +1,98 @@ #include "asl/format.hpp"
+#include "asl/float.hpp"
-#include <cstdio>
+#define JKJ_STD_REPLACEMENT_NAMESPACE_DEFINED 0
+#define JKJ_STATIC_DATA_SECTION_DEFINED 0
+#include <dragonbox.h>
-// @Todo Use something like ryu or dragonbox
+static constexpr isize_t kZeroCount = 100;
+static constexpr char kZeros[kZeroCount] = {
+ '0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
+ '0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
+ '0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
+ '0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
+ '0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
+ '0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
+ '0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
+ '0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
+ '0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
+ '0', '0', '0', '0', '0', '0', '0', '0', '0', '0',
+};
+
+template<asl::is_floating_point T>
+static void format_float(asl::Formatter& f, T value)
+{
+ if (asl::is_infinity(value))
+ {
+ if (value > 0)
+ {
+ f.write("Infinity"_sv);
+ }
+ else
+ {
+ f.write("-Infinity"_sv);
+ }
+ return;
+ }
+
+ if (value == static_cast<T>(0))
+ {
+ f.write("0"_sv);
+ return;
+ }
+
+ if (asl::is_nan(value))
+ {
+ f.write("NaN"_sv);
+ return;
+ }
+
+ auto decimal = jkj::dragonbox::to_decimal(value);
+
+ if (decimal.is_negative) { f.write("-"); }
+
+ char buffer[20];
+ asl::string_view digits = asl::format_uint64(decimal.significand, buffer);
+
+ if (decimal.exponent >= 0)
+ {
+ f.write(digits);
+ while (decimal.exponent > 0)
+ {
+ isize_t to_write = asl::min(static_cast<isize_t>(decimal.exponent), kZeroCount);
+ f.write(asl::string_view(kZeros, to_write));
+ decimal.exponent -= to_write;
+ }
+ }
+ else
+ {
+ if (digits.size() <= -decimal.exponent)
+ {
+ f.write("0.");
+ decimal.exponent = -decimal.exponent - static_cast<int>(digits.size());
+ while (decimal.exponent > 0)
+ {
+ isize_t to_write = asl::min(static_cast<isize_t>(decimal.exponent), kZeroCount);
+ f.write(asl::string_view(kZeros, to_write));
+ decimal.exponent -= to_write;
+ }
+ f.write(digits);
+ }
+ else
+ {
+ f.write(digits.first(digits.size() + decimal.exponent));
+ f.write(".");
+ f.write(digits.last(-decimal.exponent));
+ }
+ }
+}
void asl::AslFormat(Formatter& f, float value)
{
- static constexpr isize_t kBufferLength = 64;
- char buffer[kBufferLength];
- int output_length = snprintf(buffer, kBufferLength, "%f", (double)value);
- f.write(string_view(buffer, output_length));
+ format_float(f, value);
}
void asl::AslFormat(Formatter& f, double value)
{
- static constexpr isize_t kBufferLength = 64;
- char buffer[kBufferLength];
- int output_length = snprintf(buffer, kBufferLength, "%f", value);
- f.write(string_view(buffer, output_length));
+ format_float(f, value);
}
diff --git a/asl/meta.hpp b/asl/meta.hpp index ab25a88..35e238b 100644 --- a/asl/meta.hpp +++ b/asl/meta.hpp @@ -160,6 +160,12 @@ template<typename T, int N> struct _is_array_helper<T[N]> : true_type {}; template<typename T> concept is_array = _is_array_helper<T>::value;
+template<typename T> struct _is_floating_point_helper : false_type {};
+template<> struct _is_floating_point_helper<float> : true_type {};
+template<> struct _is_floating_point_helper<double> : true_type {};
+
+template<typename T> concept is_floating_point = _is_floating_point_helper<un_cv_t<T>>::value;
+
struct niche {};
template<typename T>
diff --git a/asl/string_view.hpp b/asl/string_view.hpp index 51d4234..c75695c 100644 --- a/asl/string_view.hpp +++ b/asl/string_view.hpp @@ -70,6 +70,16 @@ public: return string_view{m_data + offset, m_size - offset}; // NOLINT(*-pointer-arithmetic) } + constexpr string_view first(isize_t size) const + { + return substr(0, size); + } + + constexpr string_view last(isize_t size) const + { + return substr(m_size - size); + } + constexpr bool operator==(string_view other) const { if (m_size != other.m_size) { return false; } diff --git a/asl/tests/float_tests.cpp b/asl/tests/float_tests.cpp new file mode 100644 index 0000000..981279f --- /dev/null +++ b/asl/tests/float_tests.cpp @@ -0,0 +1,23 @@ +#include <asl/float.hpp>
+
+#include <asl/testing/testing.hpp>
+
+ASL_TEST(is_infinity)
+{
+ ASL_TEST_EXPECT(!asl::is_infinity(0.0F));
+ ASL_TEST_EXPECT(!asl::is_infinity(-25.0F));
+ ASL_TEST_EXPECT(asl::is_infinity(45.0F / 0.0F));
+ ASL_TEST_EXPECT(asl::is_infinity(-45.0F / 0.0F));
+ ASL_TEST_EXPECT(asl::is_infinity(asl::infinity<float>()));
+ ASL_TEST_EXPECT(asl::is_infinity(-asl::infinity<double>()));
+}
+
+ASL_TEST(is_nan)
+{
+ ASL_TEST_EXPECT(!asl::is_nan(0.0F));
+ ASL_TEST_EXPECT(!asl::is_nan(-25.0F));
+ ASL_TEST_EXPECT(!asl::is_nan(45.0F / 0.0F));
+ ASL_TEST_EXPECT(asl::is_nan(asl::nan<float>()));
+ ASL_TEST_EXPECT(asl::is_nan(asl::nan<double>()));
+}
+
diff --git a/asl/tests/format_tests.cpp b/asl/tests/format_tests.cpp index dd3db1c..906fce6 100644 --- a/asl/tests/format_tests.cpp +++ b/asl/tests/format_tests.cpp @@ -1,6 +1,7 @@ #include "asl/format.hpp"
#include "asl/testing/testing.hpp"
#include "asl/allocator.hpp"
+#include "asl/float.hpp"
static_assert(asl::formattable<decltype("Hello")>);
@@ -110,11 +111,31 @@ ASL_TEST(format_floats) sink.reset();
asl::format(&sink, "{} {} {}", 0.0F, 1.0, 2.0F);
- ASL_TEST_EXPECT(sink.str() == "0.000000 1.000000 2.000000"_sv);
+ ASL_TEST_EXPECT(sink.str() == "0 1 2"_sv);
+
+ sink.reset();
+ asl::format(&sink, "{} {} {}", 0.1F, 0.001F, 0.123F);
+ ASL_TEST_EXPECT(sink.str() == "0.1 0.001 0.123"_sv);
+
+ sink.reset();
+ asl::format(&sink, "{} {}", 1.25F, -22.3);
+ ASL_TEST_EXPECT(sink.str() == "1.25 -22.3"_sv);
+
+ sink.reset();
+ asl::format(&sink, "{}", 1e32);
+ ASL_TEST_EXPECT(sink.str() == "100000000000000000000000000000000"_sv);
+
+ sink.reset();
+ asl::format(&sink, "{}", 123e-8);
+ ASL_TEST_EXPECT(sink.str() == "0.00000123"_sv);
+
+ sink.reset();
+ asl::format(&sink, "{} {}", asl::infinity<float>(), -asl::infinity<double>());
+ ASL_TEST_EXPECT(sink.str() == "Infinity -Infinity"_sv);
sink.reset();
- asl::format(&sink, "{} {}", 10.25F, -22.3);
- ASL_TEST_EXPECT(sink.str() == "10.250000 -22.300000"_sv);
+ asl::format(&sink, "{}", asl::nan<float>());
+ ASL_TEST_EXPECT(sink.str() == "NaN"_sv);
}
ASL_TEST(format_boolean)
diff --git a/asl/tests/meta_tests.cpp b/asl/tests/meta_tests.cpp index 354cea6..fcafe1c 100644 --- a/asl/tests/meta_tests.cpp +++ b/asl/tests/meta_tests.cpp @@ -203,3 +203,9 @@ static_assert(asl::is_const<const int>); static_assert(!asl::is_const<const int*>);
static_assert(asl::is_const<int* const>);
+static_assert(asl::is_floating_point<float>);
+static_assert(asl::is_floating_point<const float>);
+static_assert(asl::is_floating_point<volatile double>);
+static_assert(!asl::is_floating_point<const float&>);
+static_assert(!asl::is_floating_point<int>);
+static_assert(!asl::is_floating_point<C>);
diff --git a/asl/tests/string_view_tests.cpp b/asl/tests/string_view_tests.cpp index 1340247..708877d 100644 --- a/asl/tests/string_view_tests.cpp +++ b/asl/tests/string_view_tests.cpp @@ -58,6 +58,38 @@ ASL_TEST(substr2) ASL_TEST_ASSERT(s2.size() == 0); } +ASL_TEST(first) +{ + asl::string_view s1 = "abcd"; + + asl::string_view s2 = s1.first(0); + ASL_TEST_ASSERT(s2.size() == 0); + + s2 = s1.first(2); + ASL_TEST_ASSERT(s2.size() == 2); + ASL_TEST_EXPECT(asl::memcmp(s2.data(), "ab", 2) == 0); + + s2 = s1.first(4); + ASL_TEST_ASSERT(s2.size() == 4); + ASL_TEST_EXPECT(asl::memcmp(s2.data(), "abcd", 4) == 0); +} + +ASL_TEST(last) +{ + asl::string_view s1 = "abcd"; + + asl::string_view s2 = s1.last(0); + ASL_TEST_ASSERT(s2.size() == 0); + + s2 = s1.last(2); + ASL_TEST_ASSERT(s2.size() == 2); + ASL_TEST_EXPECT(asl::memcmp(s2.data(), "cd", 2) == 0); + + s2 = s1.last(4); + ASL_TEST_ASSERT(s2.size() == 4); + ASL_TEST_EXPECT(asl::memcmp(s2.data(), "abcd", 4) == 0); +} + ASL_TEST(equal) { ASL_TEST_EXPECT("abc"_sv == "abc"_sv); diff --git a/vendor/dragonbox/BUILD.bazel b/vendor/dragonbox/BUILD.bazel new file mode 100644 index 0000000..7a531d4 --- /dev/null +++ b/vendor/dragonbox/BUILD.bazel @@ -0,0 +1,6 @@ +cc_library(
+ name = "dragonbox",
+ hdrs = ["dragonbox.h"],
+ includes = ["."],
+ visibility = ["//:__subpackages__"],
+)
diff --git a/vendor/dragonbox/LICENSE.txt b/vendor/dragonbox/LICENSE.txt new file mode 100644 index 0000000..bd8b243 --- /dev/null +++ b/vendor/dragonbox/LICENSE.txt @@ -0,0 +1,218 @@ + Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + + TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + + 1. Definitions. + + "License" shall mean the terms and conditions for use, reproduction, + and distribution as defined by Sections 1 through 9 of this document. + + "Licensor" shall mean the copyright owner or entity authorized by + the copyright owner that is granting the License. + + "Legal Entity" shall mean the union of the acting entity and all + other entities that control, are controlled by, or are under common + control with that entity. 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Every ODR-used +// static data declaration will be decorated with this macro. The users may define this macro, +// before including the library headers, into whatever they want. +#ifndef JKJ_STATIC_DATA_SECTION + #define JKJ_STATIC_DATA_SECTION +#else + #define JKJ_STATIC_DATA_SECTION_DEFINED 1 +#endif + +// To use the library with toolchains without standard C++ headers, the users may define this macro +// into their custom namespace which contains the definitions of all the standard C++ library +// features used in this header. (The list can be found below.) +#ifndef JKJ_STD_REPLACEMENT_NAMESPACE + #define JKJ_STD_REPLACEMENT_NAMESPACE std + #include <cassert> + #include <cstdint> + #include <cstring> + #include <limits> + #include <type_traits> + + #ifdef __has_include + #if __has_include(<version>) + #include <version> + #endif + #endif +#else + #define JKJ_STD_REPLACEMENT_NAMESPACE_DEFINED 1 +#endif + +//////////////////////////////////////////////////////////////////////////////////////// +// Language feature detections. +//////////////////////////////////////////////////////////////////////////////////////// + +// C++14 constexpr +#if defined(__cpp_constexpr) && __cpp_constexpr >= 201304L + #define JKJ_HAS_CONSTEXPR14 1 +#elif __cplusplus >= 201402L + #define JKJ_HAS_CONSTEXPR14 1 +#elif defined(_MSC_VER) && _MSC_VER >= 1910 && _MSVC_LANG >= 201402L + #define JKJ_HAS_CONSTEXPR14 1 +#else + #define JKJ_HAS_CONSTEXPR14 0 +#endif + +#if JKJ_HAS_CONSTEXPR14 + #define JKJ_CONSTEXPR14 constexpr +#else + #define JKJ_CONSTEXPR14 +#endif + +// C++17 constexpr lambdas +#if defined(__cpp_constexpr) && __cpp_constexpr >= 201603L + #define JKJ_HAS_CONSTEXPR17 1 +#elif __cplusplus >= 201703L + #define JKJ_HAS_CONSTEXPR17 1 +#elif defined(_MSC_VER) && _MSC_VER >= 1911 && _MSVC_LANG >= 201703L + #define JKJ_HAS_CONSTEXPR17 1 +#else + #define JKJ_HAS_CONSTEXPR17 0 +#endif + +// C++17 inline variables +#if defined(__cpp_inline_variables) && __cpp_inline_variables >= 201606L + #define JKJ_HAS_INLINE_VARIABLE 1 +#elif __cplusplus >= 201703L + #define JKJ_HAS_INLINE_VARIABLE 1 +#elif defined(_MSC_VER) && _MSC_VER >= 1912 && _MSVC_LANG >= 201703L + #define JKJ_HAS_INLINE_VARIABLE 1 +#else + #define JKJ_HAS_INLINE_VARIABLE 0 +#endif + +#if JKJ_HAS_INLINE_VARIABLE + #define JKJ_INLINE_VARIABLE inline constexpr +#else + #define JKJ_INLINE_VARIABLE static constexpr +#endif + +// C++17 if constexpr +#if defined(__cpp_if_constexpr) && __cpp_if_constexpr >= 201606L + #define JKJ_HAS_IF_CONSTEXPR 1 +#elif __cplusplus >= 201703L + #define JKJ_HAS_IF_CONSTEXPR 1 +#elif defined(_MSC_VER) && _MSC_VER >= 1911 && _MSVC_LANG >= 201703L + #define JKJ_HAS_IF_CONSTEXPR 1 +#else + #define JKJ_HAS_IF_CONSTEXPR 0 +#endif + +#if JKJ_HAS_IF_CONSTEXPR + #define JKJ_IF_CONSTEXPR if constexpr +#else + #define JKJ_IF_CONSTEXPR if +#endif + +// C++20 std::bit_cast +#if JKJ_STD_REPLACEMENT_NAMESPACE_DEFINED + #if JKJ_STD_REPLACEMENT_HAS_BIT_CAST + #define JKJ_HAS_BIT_CAST 1 + #else + #define JKJ_HAS_BIT_CAST 0 + #endif +#elif defined(__cpp_lib_bit_cast) && __cpp_lib_bit_cast >= 201806L + #include <bit> + #define JKJ_HAS_BIT_CAST 1 +#else + #define JKJ_HAS_BIT_CAST 0 +#endif + +// C++23 if consteval or C++20 std::is_constant_evaluated +#if defined(__cpp_if_consteval) && __cpp_is_consteval >= 202106L + #define JKJ_IF_CONSTEVAL if consteval + #define JKJ_IF_NOT_CONSTEVAL if !consteval + #define JKJ_CAN_BRANCH_ON_CONSTEVAL 1 + #define JKJ_USE_IS_CONSTANT_EVALUATED 0 +#elif JKJ_STD_REPLACEMENT_NAMESPACE_DEFINED + #if JKJ_STD_REPLACEMENT_HAS_IS_CONSTANT_EVALUATED + #define JKJ_IF_CONSTEVAL if (stdr::is_constant_evaluated()) + #define JKJ_IF_NOT_CONSTEVAL if (!stdr::is_constant_evaluated()) + #define JKJ_CAN_BRANCH_ON_CONSTEVAL 1 + #define JKJ_USE_IS_CONSTANT_EVALUATED 1 + #elif JKJ_HAS_IF_CONSTEXPR + #define JKJ_IF_CONSTEVAL if constexpr (false) + #define JKJ_IF_NOT_CONSTEVAL if constexpr (true) + #define JKJ_CAN_BRANCH_ON_CONSTEVAL 0 + #define JKJ_USE_IS_CONSTANT_EVALUATED 0 + #else + #define JKJ_IF_CONSTEVAL if (false) + #define JKJ_IF_NOT_CONSTEVAL if (true) + #define JKJ_CAN_BRANCH_ON_CONSTEVAL 0 + #define JKJ_USE_IS_CONSTANT_EVALUATED 0 + #endif +#else + #if defined(__cpp_lib_is_constant_evaluated) && __cpp_lib_is_constant_evaluated >= 201811L + #define JKJ_IF_CONSTEVAL if (stdr::is_constant_evaluated()) + #define JKJ_IF_NOT_CONSTEVAL if (!stdr::is_constant_evaluated()) + #define JKJ_CAN_BRANCH_ON_CONSTEVAL 1 + #define JKJ_USE_IS_CONSTANT_EVALUATED 1 + #elif JKJ_HAS_IF_CONSTEXPR + #define JKJ_IF_CONSTEVAL if constexpr (false) + #define JKJ_IF_NOT_CONSTEVAL if constexpr (true) + #define JKJ_CAN_BRANCH_ON_CONSTEVAL 0 + #define JKJ_USE_IS_CONSTANT_EVALUATED 0 + #else + #define JKJ_IF_CONSTEVAL if (false) + #define JKJ_IF_NOT_CONSTEVAL if (true) + #define JKJ_CAN_BRANCH_ON_CONSTEVAL 0 + #define JKJ_USE_IS_CONSTANT_EVALUATED 0 + #endif +#endif + +#if JKJ_CAN_BRANCH_ON_CONSTEVAL && JKJ_HAS_BIT_CAST + #define JKJ_CONSTEXPR20 constexpr +#else + #define JKJ_CONSTEXPR20 +#endif + +// Suppress additional buffer overrun check. +// I have no idea why MSVC thinks some functions here are vulnerable to the buffer overrun +// attacks. No, they aren't. +#if defined(__GNUC__) || defined(__clang__) + #define JKJ_SAFEBUFFERS + #define JKJ_FORCEINLINE inline __attribute__((always_inline)) +#elif defined(_MSC_VER) + #define JKJ_SAFEBUFFERS __declspec(safebuffers) + #define JKJ_FORCEINLINE __forceinline +#else + #define JKJ_SAFEBUFFERS + #define JKJ_FORCEINLINE inline +#endif + +#if defined(__has_builtin) + #define JKJ_HAS_BUILTIN(x) __has_builtin(x) +#else + #define JKJ_HAS_BUILTIN(x) false +#endif + +#if defined(_MSC_VER) + #include <intrin.h> +#elif defined(__INTEL_COMPILER) + #include <immintrin.h> +#endif + +namespace jkj { + namespace dragonbox { + //////////////////////////////////////////////////////////////////////////////////////// + // The Compatibility layer for toolchains without standard C++ headers. + //////////////////////////////////////////////////////////////////////////////////////// + namespace detail { + namespace stdr { + // <bit> +#if JKJ_HAS_BIT_CAST + using JKJ_STD_REPLACEMENT_NAMESPACE::bit_cast; +#endif + + // <cassert> + // We need assert() macro, but it is not namespaced anyway, so nothing to do here. + + // <cstdint> + using JKJ_STD_REPLACEMENT_NAMESPACE::int_least8_t; + using JKJ_STD_REPLACEMENT_NAMESPACE::int_least16_t; + using JKJ_STD_REPLACEMENT_NAMESPACE::int_least32_t; + using JKJ_STD_REPLACEMENT_NAMESPACE::int_fast8_t; + using JKJ_STD_REPLACEMENT_NAMESPACE::int_fast16_t; + using JKJ_STD_REPLACEMENT_NAMESPACE::int_fast32_t; + using JKJ_STD_REPLACEMENT_NAMESPACE::uint_least8_t; + using JKJ_STD_REPLACEMENT_NAMESPACE::uint_least16_t; + using JKJ_STD_REPLACEMENT_NAMESPACE::uint_least32_t; + using JKJ_STD_REPLACEMENT_NAMESPACE::uint_least64_t; + using JKJ_STD_REPLACEMENT_NAMESPACE::uint_fast8_t; + using JKJ_STD_REPLACEMENT_NAMESPACE::uint_fast16_t; |