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LAPACK
3.9.0
LAPACK: Linear Algebra PACKage
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| real function | slansy (NORM, UPLO, N, A, LDA, WORK) |
| | SLANSY returns the value of the 1-norm, or the Frobenius norm, or the infinity norm, or the element of largest absolute value of a real symmetric matrix. More...
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| subroutine | slaqsy (UPLO, N, A, LDA, S, SCOND, AMAX, EQUED) |
| | SLAQSY scales a symmetric/Hermitian matrix, using scaling factors computed by spoequ. More...
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| subroutine | slasy2 (LTRANL, LTRANR, ISGN, N1, N2, TL, LDTL, TR, LDTR, B, LDB, SCALE, X, LDX, XNORM, INFO) |
| | SLASY2 solves the Sylvester matrix equation where the matrices are of order 1 or 2. More...
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| subroutine | ssyswapr (UPLO, N, A, LDA, I1, I2) |
| | SSYSWAPR applies an elementary permutation on the rows and columns of a symmetric matrix. More...
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| 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). More...
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This is the group of real auxiliary functions for SY matrices
logical function lde(RI, RJ, LR)
subroutine sswap(N, SX, INCX, SY, INCY)
SSWAP
subroutine sgetc2(N, A, LDA, IPIV, JPIV, INFO)
SGETC2 computes the LU factorization with complete pivoting of the general n-by-n matrix.
subroutine slatdf(IJOB, N, Z, LDZ, RHS, RDSUM, RDSCAL, IPIV, JPIV)
SLATDF uses the LU factorization of the n-by-n matrix computed by sgetc2 and computes a contribution ...
subroutine sgemm(TRANSA, TRANSB, M, N, K, ALPHA, A, LDA, B, LDB, BETA, C, LDC)
SGEMM
integer function isamax(N, SX, INCX)
ISAMAX
subroutine sgemv(TRANS, M, N, ALPHA, A, LDA, X, INCX, BETA, Y, INCY)
SGEMV
subroutine slassq(N, X, INCX, SCALE, SUMSQ)
SLASSQ updates a sum of squares represented in scaled form.
logical function sisnan(SIN)
SISNAN tests input for NaN.
subroutine scopy(N, SX, INCX, SY, INCY)
SCOPY
subroutine sscal(N, SA, SX, INCX)
SSCAL
subroutine xerbla(SRNAME, INFO)
XERBLA
logical function lsame(CA, CB)
LSAME
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
real function slansy(NORM, UPLO, N, A, LDA, WORK)
SLANSY returns the value of the 1-norm, or the Frobenius norm, or the infinity norm,...
subroutine sger(M, N, ALPHA, X, INCX, Y, INCY, A, LDA)
SGER
subroutine sgesc2(N, A, LDA, RHS, IPIV, JPIV, SCALE)
SGESC2 solves a system of linear equations using the LU factorization with complete pivoting computed...
subroutine scombssq(V1, V2)
SCOMBSSQ adds two scaled sum of squares quantities
subroutine saxpy(N, SA, SX, INCX, SY, INCY)
SAXPY
1.8.16