init delete the pow related (#55)

[bytom/vapor.git] / vendor / gonum.org / v1 / gonum / lapack / gonum / dgetrs.go

diff --git a/vendor/gonum.org/v1/gonum/lapack/gonum/dgetrs.go b/vendor/gonum.org/v1/gonum/lapack/gonum/dgetrs.go
deleted file mode 100644 (file)
index da7e0c6..0000000
--- a/vendor/gonum.org/v1/gonum/lapack/gonum/dgetrs.go
+++ /dev/null
@@ -1,55 +0,0 @@
-// 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 (
-       "gonum.org/v1/gonum/blas"
-       "gonum.org/v1/gonum/blas/blas64"
-)
-
-// Dgetrs solves a system of equations using an LU factorization.
-// The system of equations solved is
-//  A * X = B if trans == blas.Trans
-//  A^T * X = B if trans == blas.NoTrans
-// A is a general n×n matrix with stride lda. B is a general matrix of size n×nrhs.
-//
-// On entry b contains the elements of the matrix B. On exit, b contains the
-// elements of X, the solution to the system of equations.
-//
-// a and ipiv contain the LU factorization of A and the permutation indices as
-// computed by Dgetrf. ipiv is zero-indexed.
-func (impl Implementation) Dgetrs(trans blas.Transpose, n, nrhs int, a []float64, lda int, ipiv []int, b []float64, ldb int) {
-       checkMatrix(n, n, a, lda)
-       checkMatrix(n, nrhs, b, ldb)
-       if len(ipiv) < n {
-               panic(badIpiv)
-       }
-       if n == 0 || nrhs == 0 {
-               return
-       }
-       if trans != blas.Trans && trans != blas.NoTrans {
-               panic(badTrans)
-       }
-       bi := blas64.Implementation()
-       if trans == blas.NoTrans {
-               // Solve A * X = B.
-               impl.Dlaswp(nrhs, b, ldb, 0, n-1, ipiv, 1)
-               // Solve L * X = B, updating b.
-               bi.Dtrsm(blas.Left, blas.Lower, blas.NoTrans, blas.Unit,
-                       n, nrhs, 1, a, lda, b, ldb)
-               // Solve U * X = B, updating b.
-               bi.Dtrsm(blas.Left, blas.Upper, blas.NoTrans, blas.NonUnit,
-                       n, nrhs, 1, a, lda, b, ldb)
-               return
-       }
-       // Solve A^T * X = B.
-       // Solve U^T * X = B, updating b.
-       bi.Dtrsm(blas.Left, blas.Upper, blas.Trans, blas.NonUnit,
-               n, nrhs, 1, a, lda, b, ldb)
-       // Solve L^T * X = B, updating b.
-       bi.Dtrsm(blas.Left, blas.Lower, blas.Trans, blas.Unit,
-               n, nrhs, 1, a, lda, b, ldb)
-       impl.Dlaswp(nrhs, b, ldb, 0, n-1, ipiv, -1)
-}