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LAPACK
3.9.0
LAPACK: Linear Algebra PACKage
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| subroutine | dgesc2 (N, A, LDA, RHS, IPIV, JPIV, SCALE) |
| | DGESC2 solves a system of linear equations using the LU factorization with complete pivoting computed by sgetc2. More...
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| subroutine | dgetc2 (N, A, LDA, IPIV, JPIV, INFO) |
| | DGETC2 computes the LU factorization with complete pivoting of the general n-by-n matrix. More...
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| double precision function | dlange (NORM, M, N, A, LDA, WORK) |
| | DLANGE returns the value of the 1-norm, Frobenius norm, infinity-norm, or the largest absolute value of any element of a general rectangular matrix. More...
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| subroutine | dlaqge (M, N, A, LDA, R, C, ROWCND, COLCND, AMAX, EQUED) |
| | DLAQGE scales a general rectangular matrix, using row and column scaling factors computed by sgeequ. More...
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| subroutine | dtgex2 (WANTQ, WANTZ, N, A, LDA, B, LDB, Q, LDQ, Z, LDZ, J1, N1, N2, WORK, LWORK, INFO) |
| | DTGEX2 swaps adjacent diagonal blocks in an upper (quasi) triangular matrix pair by an orthogonal equivalence transformation. More...
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This is the group of double auxiliary functions for GE matrices
subroutine dger(M, N, ALPHA, X, INCX, Y, INCY, A, LDA)
DGER
subroutine dgerq2(M, N, A, LDA, TAU, WORK, INFO)
DGERQ2 computes the RQ factorization of a general rectangular matrix using an unblocked algorithm.
integer function idamax(N, DX, INCX)
IDAMAX
subroutine dlartg(F, G, CS, SN, R)
DLARTG generates a plane rotation with real cosine and real sine.
subroutine dgeqr2(M, N, A, LDA, TAU, WORK, INFO)
DGEQR2 computes the QR factorization of a general rectangular matrix using an unblocked algorithm.
logical function disnan(DIN)
DISNAN tests input for NaN.
subroutine dormr2(SIDE, TRANS, M, N, K, A, LDA, TAU, C, LDC, WORK, INFO)
DORMR2 multiplies a general matrix by the orthogonal matrix from a RQ factorization determined by sge...
double precision function dlange(NORM, M, N, A, LDA, WORK)
DLANGE returns the value of the 1-norm, Frobenius norm, infinity-norm, or the largest absolute value ...
subroutine dlaswp(N, A, LDA, K1, K2, IPIV, INCX)
DLASWP performs a series of row interchanges on a general rectangular matrix.
subroutine dgemm(TRANSA, TRANSB, M, N, K, ALPHA, A, LDA, B, LDB, BETA, C, LDC)
DGEMM
logical function lsame(CA, CB)
LSAME
subroutine drot(N, DX, INCX, DY, INCY, C, S)
DROT
subroutine dlassq(N, X, INCX, SCALE, SUMSQ)
DLASSQ updates a sum of squares represented in scaled form.
subroutine dorg2r(M, N, K, A, LDA, TAU, WORK, INFO)
DORG2R generates all or part of the orthogonal matrix Q from a QR factorization determined by sgeqrf ...
subroutine dswap(N, DX, INCX, DY, INCY)
DSWAP
subroutine dlabad(SMALL, LARGE)
DLABAD
subroutine dlaset(UPLO, M, N, ALPHA, BETA, A, LDA)
DLASET initializes the off-diagonal elements and the diagonal elements of a matrix to given values.
subroutine dcombssq(V1, V2)
DCOMBSSQ adds two scaled sum of squares quantities.
subroutine dscal(N, DA, DX, INCX)
DSCAL
subroutine dtgsy2(TRANS, IJOB, M, N, A, LDA, B, LDB, C, LDC, D, LDD, E, LDE, F, LDF, SCALE, RDSUM, RDSCAL, IWORK, PQ, INFO)
DTGSY2 solves the generalized Sylvester equation (unblocked algorithm).
double precision function dlamch(CMACH)
DLAMCH
subroutine dlacpy(UPLO, M, N, A, LDA, B, LDB)
DLACPY copies all or part of one two-dimensional array to another.
subroutine dorm2r(SIDE, TRANS, M, N, K, A, LDA, TAU, C, LDC, WORK, INFO)
DORM2R multiplies a general matrix by the orthogonal matrix from a QR factorization determined by sge...
subroutine dlagv2(A, LDA, B, LDB, ALPHAR, ALPHAI, BETA, CSL, SNL, CSR, SNR)
DLAGV2 computes the Generalized Schur factorization of a real 2-by-2 matrix pencil (A,...
subroutine dorgr2(M, N, K, A, LDA, TAU, WORK, INFO)
DORGR2 generates all or part of the orthogonal matrix Q from an RQ factorization determined by sgerqf...
1.8.16