clatdf.f – Synopsis Functions/Subroutines subroutine clatdf (IJOB, N, Z, LDZ, RHS, RDSUM, RDSCAL, IPIV, JPIV) CLATDF uses the LU factorization of the n-by-n matrix computed by sgetc2 and computes a contribution to the reciprocal Dif-estimate. Function/Subroutine Documentation subroutine clatdf (integerIJOB, integerN, complex, dimension( ldz, * )Z, integerLDZ, complex, dimension( * )RHS, realRDSUM, realRDSCAL, integer, dimension(…
clatbs.f – Synopsis Functions/Subroutines subroutine clatbs (UPLO, TRANS, DIAG, NORMIN, N, KD, AB, LDAB, X, SCALE, CNORM, INFO) CLATBS solves a triangular banded system of equations. Function/Subroutine Documentation subroutine clatbs (characterUPLO, characterTRANS, characterDIAG, characterNORMIN, integerN, integerKD, complex, dimension( ldab, * )AB, integerLDAB, complex, dimension( * )X, realSCALE, real, dimension( * )CNORM, integerINFO) CLATBS solves a…
NAME clasyf_rook.f – SYNOPSIS Functions/Subroutines subroutine clasyf_rook (UPLO, N, NB, KB, A, LDA, IPIV, W, LDW, INFO) CLASYF_ROOK computes a partial factorization of a complex symmetric matrix using the bounded Bunch-Kaufman (‘rook’) diagonal pivoting method. Function/Subroutine Documentation subroutine clasyf_rook (characterUPLO, integerN, integerNB, integerKB, complex, dimension( lda, * )A, integerLDA, integer, dimension( * )IPIV, complex, dimension(…
clasyf.f – Synopsis Functions/Subroutines subroutine clasyf (UPLO, N, NB, KB, A, LDA, IPIV, W, LDW, INFO) CLASYF computes a partial factorization of a complex symmetric matrix, using the diagonal pivoting method. Function/Subroutine Documentation subroutine clasyf (characterUPLO, integerN, integerNB, integerKB, complex, dimension( lda, * )A, integerLDA, integer, dimension( * )IPIV, complex, dimension( ldw, * )W, integerLDW,…
claswp.f – Synopsis Functions/Subroutines subroutine claswp (N, A, LDA, K1, K2, IPIV, INCX) CLASWP performs a series of row interchanges on a general rectangular matrix. Function/Subroutine Documentation subroutine claswp (integerN, complex, dimension( lda, * )A, integerLDA, integerK1, integerK2, integer, dimension( * )IPIV, integerINCX) CLASWP performs a series of row interchanges on a general rectangular matrix….
classq.f – Synopsis Functions/Subroutines subroutine classq (N, X, INCX, SCALE, SUMSQ) CLASSQ updates a sum of squares represented in scaled form. Function/Subroutine Documentation subroutine classq (integerN, complex, dimension( * )X, integerINCX, realSCALE, realSUMSQ) CLASSQ updates a sum of squares represented in scaled form. Purpose: CLASSQ returns the values scl and ssq such that ( scl**2…
clasr.f – Synopsis Functions/Subroutines subroutine clasr (SIDE, PIVOT, DIRECT, M, N, C, S, A, LDA) CLASR applies a sequence of plane rotations to a general rectangular matrix. Function/Subroutine Documentation subroutine clasr (characterSIDE, characterPIVOT, characterDIRECT, integerM, integerN, real, dimension( * )C, real, dimension( * )S, complex, dimension( lda, * )A, integerLDA) CLASR applies a sequence of…
claset.f – Synopsis Functions/Subroutines subroutine claset (UPLO, M, N, ALPHA, BETA, A, LDA) CLASET initializes the off-diagonal elements and the diagonal elements of a matrix to given values. Function/Subroutine Documentation subroutine claset (characterUPLO, integerM, integerN, complexALPHA, complexBETA, complex, dimension( lda, * )A, integerLDA) CLASET initializes the off-diagonal elements and the diagonal elements of a matrix…
clascl2.f – Synopsis Functions/Subroutines subroutine clascl2 (M, N, D, X, LDX) CLASCL2 performs diagonal scaling on a vector. Function/Subroutine Documentation subroutine clascl2 (integerM, integerN, real, dimension( * )D, complex, dimension( ldx, * )X, integerLDX) CLASCL2 performs diagonal scaling on a vector. Purpose: CLASCL2 performs a diagonal scaling on a vector: x <– D * x…
clascl.f – Synopsis Functions/Subroutines subroutine clascl (TYPE, KL, KU, CFROM, CTO, M, N, A, LDA, INFO) CLASCL multiplies a general rectangular matrix by a real scalar defined as cto/cfrom. Function/Subroutine Documentation subroutine clascl (characterTYPE, integerKL, integerKU, realCFROM, realCTO, integerM, integerN, complex, dimension( lda, * )A, integerLDA, integerINFO) CLASCL multiplies a general rectangular matrix by a…
clarzt.f – Synopsis Functions/Subroutines subroutine clarzt (DIRECT, STOREV, N, K, V, LDV, TAU, T, LDT) CLARZT forms the triangular factor T of a block reflector H = I – vtvH. Function/Subroutine Documentation subroutine clarzt (characterDIRECT, characterSTOREV, integerN, integerK, complex, dimension( ldv, * )V, integerLDV, complex, dimension( * )TAU, complex, dimension( ldt, * )T, integerLDT) CLARZT…
clarzb.f – Synopsis Functions/Subroutines subroutine clarzb (SIDE, TRANS, DIRECT, STOREV, M, N, K, L, V, LDV, T, LDT, C, LDC, WORK, LDWORK) CLARZB applies a block reflector or its conjugate-transpose to a general matrix. Function/Subroutine Documentation subroutine clarzb (characterSIDE, characterTRANS, characterDIRECT, characterSTOREV, integerM, integerN, integerK, integerL, complex, dimension( ldv, * )V, integerLDV, complex, dimension( ldt,…
clarz.f – Synopsis Functions/Subroutines subroutine clarz (SIDE, M, N, L, V, INCV, TAU, C, LDC, WORK) CLARZ applies an elementary reflector (as returned by stzrzf) to a general matrix. Function/Subroutine Documentation subroutine clarz (characterSIDE, integerM, integerN, integerL, complex, dimension( * )V, integerINCV, complexTAU, complex, dimension( ldc, * )C, integerLDC, complex, dimension( * )WORK) CLARZ applies…
clartv.f – Synopsis Functions/Subroutines subroutine clartv (N, X, INCX, Y, INCY, C, S, INCC) CLARTV applies a vector of plane rotations with real cosines and complex sines to the elements of a pair of vectors. Function/Subroutine Documentation subroutine clartv (integerN, complex, dimension( * )X, integerINCX, complex, dimension( * )Y, integerINCY, real, dimension( * )C, complex,…
clartg.f – Synopsis Functions/Subroutines subroutine clartg (F, G, CS, SN, R) CLARTG generates a plane rotation with real cosine and complex sine. Function/Subroutine Documentation subroutine clartg (complexF, complexG, realCS, complexSN, complexR) CLARTG generates a plane rotation with real cosine and complex sine. Purpose: CLARTG generates a plane rotation so that [ CS SN ] […
clarscl2.f – Synopsis Functions/Subroutines subroutine clarscl2 (M, N, D, X, LDX) CLARSCL2 performs reciprocal diagonal scaling on a vector. Function/Subroutine Documentation subroutine clarscl2 (integerM, integerN, real, dimension( * )D, complex, dimension( ldx, * )X, integerLDX) CLARSCL2 performs reciprocal diagonal scaling on a vector. Purpose: CLARSCL2 performs a reciprocal diagonal scaling on an vector: x <–…
clarrv.f – Synopsis Functions/Subroutines subroutine clarrv (N, VL, VU, D, L, PIVMIN, ISPLIT, M, DOL, DOU, MINRGP, RTOL1, RTOL2, W, WERR, WGAP, IBLOCK, INDEXW, GERS, Z, LDZ, ISUPPZ, WORK, IWORK, INFO) CLARRV computes the eigenvectors of the tridiagonal matrix T = L D LT given L, D and the eigenvalues of L D LT. Function/Subroutine…
clarnv.f – Synopsis Functions/Subroutines subroutine clarnv (IDIST, ISEED, N, X) CLARNV returns a vector of random numbers from a uniform or normal distribution. Function/Subroutine Documentation subroutine clarnv (integerIDIST, integer, dimension( 4 )ISEED, integerN, complex, dimension( * )X) CLARNV returns a vector of random numbers from a uniform or normal distribution. Purpose: CLARNV returns a vector…
clargv.f – Synopsis Functions/Subroutines subroutine clargv (N, X, INCX, Y, INCY, C, INCC) CLARGV generates a vector of plane rotations with real cosines and complex sines. Function/Subroutine Documentation subroutine clargv (integerN, complex, dimension( * )X, integerINCX, complex, dimension( * )Y, integerINCY, real, dimension( * )C, integerINCC) CLARGV generates a vector of plane rotations with real…
clarfx.f – Synopsis Functions/Subroutines subroutine clarfx (SIDE, M, N, V, TAU, C, LDC, WORK) CLARFX applies an elementary reflector to a general rectangular matrix, with loop unrolling when the reflector has order ≤ 10. Function/Subroutine Documentation subroutine clarfx (characterSIDE, integerM, integerN, complex, dimension( * )V, complexTAU, complex, dimension( ldc, * )C, integerLDC, complex, dimension( *…