chromium/third_party/dawn/src/tint/lang/core/number.cc

// Copyright 2022 The Dawn & Tint Authors
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#include "src/tint/lang/core/number.h"

#include <algorithm>
#include <cmath>
#include <cstring>

#include "src/tint/utils/ice/ice.h"
#include "src/tint/utils/memory/bitcast.h"
#include "src/tint/utils/text/string_stream.h"

namespace tint::core {
namespace {

constexpr uint16_t kF16Nan = …;
constexpr uint16_t kF16PosInf = …;
constexpr uint16_t kF16NegInf = …;

constexpr uint16_t kF16SignMask = …;
constexpr uint16_t kF16ExponentMask = …;
constexpr uint16_t kF16MantissaMask = …;

constexpr uint32_t kF16MantissaBits = …;
constexpr uint32_t kF16ExponentBias = …;

constexpr uint32_t kF32SignMask = …;
constexpr uint32_t kF32ExponentMask = …;
constexpr uint32_t kF32MantissaMask = …;

constexpr uint32_t kF32MantissaBits = …;
constexpr uint32_t kF32ExponentBias = …;

constexpr uint32_t kMaxF32BiasedExpForF16NormalNumber = …;
constexpr uint32_t kMinF32BiasedExpForF16NormalNumber = …;
constexpr uint32_t kMaxF32BiasedExpForF16SubnormalNumber = …;
constexpr uint32_t kMinF32BiasedExpForF16SubnormalNumber = …;

}  // namespace

f16::type f16::Quantize(f16::type value) { … }

uint16_t f16::BitsRepresentation() const { … }

// static
core::Number<core::detail::NumberKindF16> f16::FromBits(uint16_t bits) { … }

}  // namespace tint::core