| // 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. |
| |
| package gonum |
| |
| import ( |
| "sort" |
| |
| "gonum.org/v1/gonum/lapack" |
| ) |
| |
| // Dlasrt sorts the numbers in the input slice d. If s == lapack.SortIncreasing, |
| // the elements are sorted in increasing order. If s == lapack.SortDecreasing, |
| // the elements are sorted in decreasing order. For other values of s Dlasrt |
| // will panic. |
| // |
| // Dlasrt is an internal routine. It is exported for testing purposes. |
| func (impl Implementation) Dlasrt(s lapack.Sort, n int, d []float64) { |
| checkVector(n, d, 1) |
| d = d[:n] |
| switch s { |
| default: |
| panic(badSort) |
| case lapack.SortIncreasing: |
| sort.Float64s(d) |
| case lapack.SortDecreasing: |
| sort.Sort(sort.Reverse(sort.Float64Slice(d))) |
| } |
| } |