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// Copyright ©2017 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.
// Package functions provides objective functions for testing optimization
// algorithms.
// We encourage outside contributions of additional test functions that exhibit
// properties not already covered in the testing suite or that have
// significance due to prior use as benchmark cases.
package functions // import ""
const (
badInputDim = "functions: wrong input dimension"