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101 lines
3.6 KiB
Go
101 lines
3.6 KiB
Go
// Copyright ©2015 The gonum Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package lapack
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import "github.com/gonum/blas"
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const None = 'N'
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type Job byte
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// CompSV determines if the singular values are to be computed in compact form.
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type CompSV byte
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const (
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Compact CompSV = 'P'
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Explicit CompSV = 'I'
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)
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// Complex128 defines the public complex128 LAPACK API supported by gonum/lapack.
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type Complex128 interface{}
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// Float64 defines the public float64 LAPACK API supported by gonum/lapack.
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type Float64 interface {
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Dgecon(norm MatrixNorm, n int, a []float64, lda int, anorm float64, work []float64, iwork []int) float64
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Dgels(trans blas.Transpose, m, n, nrhs int, a []float64, lda int, b []float64, ldb int, work []float64, lwork int) bool
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Dgelqf(m, n int, a []float64, lda int, tau, work []float64, lwork int)
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Dgeqrf(m, n int, a []float64, lda int, tau, work []float64, lwork int)
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Dgetrf(m, n int, a []float64, lda int, ipiv []int) (ok bool)
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Dgetri(n int, a []float64, lda int, ipiv []int, work []float64, lwork int) (ok bool)
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Dgetrs(trans blas.Transpose, n, nrhs int, a []float64, lda int, ipiv []int, b []float64, ldb int)
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Dlantr(norm MatrixNorm, uplo blas.Uplo, diag blas.Diag, m, n int, a []float64, lda int, work []float64) float64
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Dlange(norm MatrixNorm, m, n int, a []float64, lda int, work []float64) float64
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Dlansy(norm MatrixNorm, uplo blas.Uplo, n int, a []float64, lda int, work []float64) float64
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Dormqr(side blas.Side, trans blas.Transpose, m, n, k int, a []float64, lda int, tau, c []float64, ldc int, work []float64, lwork int)
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Dormlq(side blas.Side, trans blas.Transpose, m, n, k int, a []float64, lda int, tau, c []float64, ldc int, work []float64, lwork int)
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Dpocon(uplo blas.Uplo, n int, a []float64, lda int, anorm float64, work []float64, iwork []int) float64
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Dpotrf(ul blas.Uplo, n int, a []float64, lda int) (ok bool)
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Dtrcon(norm MatrixNorm, uplo blas.Uplo, diag blas.Diag, n int, a []float64, lda int, work []float64, iwork []int) float64
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Dtrtri(uplo blas.Uplo, diag blas.Diag, n int, a []float64, lda int) (ok bool)
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Dtrtrs(uplo blas.Uplo, trans blas.Transpose, diag blas.Diag, n, nrhs int, a []float64, lda int, b []float64, ldb int) (ok bool)
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}
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// Direct specifies the direction of the multiplication for the Householder matrix.
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type Direct byte
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const (
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Forward Direct = 'F' // Reflectors are right-multiplied, H_1 * H_2 * ... * H_k
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Backward Direct = 'B' // Reflectors are left-multiplied, H_k * ... * H_2 * H_1
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)
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// Sort is the sorting order.
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type Sort byte
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const (
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SortIncreasing Sort = 'I'
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SortDecreasing Sort = 'D'
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)
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// StoreV indicates the storage direction of elementary reflectors.
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type StoreV byte
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const (
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ColumnWise StoreV = 'C' // Reflector stored in a column of the matrix.
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RowWise StoreV = 'R' // Reflector stored in a row of the matrix.
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)
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// MatrixNorm represents the kind of matrix norm to compute.
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type MatrixNorm byte
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const (
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MaxAbs MatrixNorm = 'M' // max(abs(A(i,j))) ('M')
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MaxColumnSum MatrixNorm = 'O' // Maximum column sum (one norm) ('1', 'O')
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MaxRowSum MatrixNorm = 'I' // Maximum row sum (infinity norm) ('I', 'i')
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NormFrob MatrixNorm = 'F' // Frobenium norm (sqrt of sum of squares) ('F', 'f', E, 'e')
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)
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// MatrixType represents the kind of matrix represented in the data.
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type MatrixType byte
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const (
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General MatrixType = 'G' // A dense matrix (like blas64.General).
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)
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// Pivot specifies the pivot type for plane rotations
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type Pivot byte
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const (
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Variable Pivot = 'V'
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Top Pivot = 'T'
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Bottom Pivot = 'B'
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)
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type DecompUpdate byte
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const (
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ApplyP DecompUpdate = 'P'
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ApplyQ DecompUpdate = 'Q'
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)
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