src/math/exp_amd64.go - go - Git at Google

 // Copyright 2017 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.

 //go:build amd64

 package math

 import "internal/cpu"

 var useFMA = cpu.X86.HasAVX && cpu.X86.HasFMA
	// Copyright 2017 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.

	//go:build amd64

	package math

	import "internal/cpu"

	var useFMA = cpu.X86.HasAVX && cpu.X86.HasFMA