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// Copyright ©2015 The Gonum 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:generate ./single_precision.bash
package gonum
import (
"math"
"gonum.org/v1/gonum/internal/math32"
)
type Implementation struct{}
// [SD]gemm behavior constants. These are kept here to keep them out of the
// way during single precision code generation.
const (
blockSize = 64 // b x b matrix
minParBlock = 4 // minimum number of blocks needed to go parallel
)
// blocks returns the number of divisions of the dimension length with the given
// block size.
func blocks(dim, bsize int) int {
return (dim + bsize - 1) / bsize
}
// dcabs1 returns |real(z)|+|imag(z)|.
func dcabs1(z complex128) float64 {
return math.Abs(real(z)) + math.Abs(imag(z))
}
// scabs1 returns |real(z)|+|imag(z)|.
func scabs1(z complex64) float32 {
return math32.Abs(real(z)) + math32.Abs(imag(z))
}
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