1 // Copyright 2017 The Go Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style 3 // license that can be found in the LICENSE file. 4 5 //go:build amd64 6 // +build amd64 7 8 package math 9 10 import "internal/cpu" 11 12 var useFMA = cpu.X86.HasAVX && cpu.X86.HasFMA 13