// Copyright 2009 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 math

// Log10 returns the decimal logarithm of x.
// The special cases are the same as for Log.
func Log10(x float64) float64 { return Log(x) * (1 / Ln10) }

// Log2 returns the binary logarithm of x.
// The special cases are the same as for Log.
func Log2(x float64) float64 { return Log(x) * (1 / Ln2) }
