// Copyright 2025 The Go Authors. All rights reserved.

// Use of this source code is governed by a BSD-style

// license that can be found in the LICENSE file.

package strconv

import "unsafe"

// Implementations to avoid importing other dependencies.

// package math

func float64frombits(b uint64) float64 { return *(*float64)(unsafe.Pointer(&b)) }

func float32frombits(b uint32) float32 { return *(*float32)(unsafe.Pointer(&b)) }

func float64bits(f float64) uint64 { return *(*uint64)(unsafe.Pointer(&f)) }

func float32bits(f float32) uint32 { return *(*uint32)(unsafe.Pointer(&f)) }

func floatInf(sign int) float64 {

var v uint64

if sign >= 0 {

v = 0x7FF0000000000000

} else {

v = 0xFFF0000000000000

}

return float64frombits(v)

}

func floatNaN() float64 { return float64frombits(0x7FF8000000000001) }