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LAPACK
3.9.0
LAPACK: Linear Algebra PACKage
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| subroutine | sgesc2 (N, A, LDA, RHS, IPIV, JPIV, SCALE) |
| | SGESC2 solves a system of linear equations using the LU factorization with complete pivoting computed by sgetc2. More...
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| subroutine | sgetc2 (N, A, LDA, IPIV, JPIV, INFO) |
| | SGETC2 computes the LU factorization with complete pivoting of the general n-by-n matrix. More...
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| real function | slange (NORM, M, N, A, LDA, WORK) |
| | SLANGE 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 | slaqge (M, N, A, LDA, R, C, ROWCND, COLCND, AMAX, EQUED) |
| | SLAQGE scales a general rectangular matrix, using row and column scaling factors computed by sgeequ. More...
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| subroutine | stgex2 (WANTQ, WANTZ, N, A, LDA, B, LDB, Q, LDQ, Z, LDZ, J1, N1, N2, WORK, LWORK, INFO) |
| | STGEX2 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 real auxiliary functions for GE matrices
subroutine slabad(SMALL, LARGE)
SLABAD
subroutine sswap(N, SX, INCX, SY, INCY)
SSWAP
subroutine sgeqr2(M, N, A, LDA, TAU, WORK, INFO)
SGEQR2 computes the QR factorization of a general rectangular matrix using an unblocked algorithm.
subroutine sgemm(TRANSA, TRANSB, M, N, K, ALPHA, A, LDA, B, LDB, BETA, C, LDC)
SGEMM
integer function isamax(N, SX, INCX)
ISAMAX
subroutine srot(N, SX, INCX, SY, INCY, C, S)
SROT
subroutine slacpy(UPLO, M, N, A, LDA, B, LDB)
SLACPY copies all or part of one two-dimensional array to another.
subroutine slassq(N, X, INCX, SCALE, SUMSQ)
SLASSQ updates a sum of squares represented in scaled form.
real function slange(NORM, M, N, A, LDA, WORK)
SLANGE returns the value of the 1-norm, Frobenius norm, infinity-norm, or the largest absolute value ...
logical function sisnan(SIN)
SISNAN tests input for NaN.
subroutine sscal(N, SA, SX, INCX)
SSCAL
subroutine slaswp(N, A, LDA, K1, K2, IPIV, INCX)
SLASWP performs a series of row interchanges on a general rectangular matrix.
subroutine sorgr2(M, N, K, A, LDA, TAU, WORK, INFO)
SORGR2 generates all or part of the orthogonal matrix Q from an RQ factorization determined by sgerqf...
logical function lsame(CA, CB)
LSAME
subroutine sorg2r(M, N, K, A, LDA, TAU, WORK, INFO)
SORG2R generates all or part of the orthogonal matrix Q from a QR factorization determined by sgeqrf ...
subroutine slaset(UPLO, M, N, ALPHA, BETA, A, LDA)
SLASET initializes the off-diagonal elements and the diagonal elements of a matrix to given values.
real function slamch(CMACH)
SLAMCH
subroutine sorm2r(SIDE, TRANS, M, N, K, A, LDA, TAU, C, LDC, WORK, INFO)
SORM2R multiplies a general matrix by the orthogonal matrix from a QR factorization determined by sge...
subroutine sger(M, N, ALPHA, X, INCX, Y, INCY, A, LDA)
SGER
subroutine slagv2(A, LDA, B, LDB, ALPHAR, ALPHAI, BETA, CSL, SNL, CSR, SNR)
SLAGV2 computes the Generalized Schur factorization of a real 2-by-2 matrix pencil (A,...
subroutine slartg(F, G, CS, SN, R)
SLARTG generates a plane rotation with real cosine and real sine.
subroutine stgsy2(TRANS, IJOB, M, N, A, LDA, B, LDB, C, LDC, D, LDD, E, LDE, F, LDF, SCALE, RDSUM, RDSCAL, IWORK, PQ, INFO)
STGSY2 solves the generalized Sylvester equation (unblocked algorithm).
subroutine scombssq(V1, V2)
SCOMBSSQ adds two scaled sum of squares quantities
subroutine sormr2(SIDE, TRANS, M, N, K, A, LDA, TAU, C, LDC, WORK, INFO)
SORMR2 multiplies a general matrix by the orthogonal matrix from a RQ factorization determined by sge...
subroutine sgerq2(M, N, A, LDA, TAU, WORK, INFO)
SGERQ2 computes the RQ factorization of a general rectangular matrix using an unblocked algorithm.
1.8.16