Section 3: library functions
dstegr.f – SynopsisFunctions/Subroutinessubroutine dstegr (JOBZ, RANGE, N, D, E, VL, VU, IL, IU, ABSTOL, M, W, Z, LDZ, ISUPPZ, WORK, LWORK, IWORK, LIWORK, INFO) DSTEGR Function/Subroutine Documentationsubroutine dstegr (characterJOBZ, characterRANGE, integerN, double precision, dimension( * )D, double precision, dimension( * )E, double precisionVL, double precisionVU, integerIL, integerIU, double precisionABSTOL, integerM, double precision, dimension( * )W,…
dstedc.f – SynopsisFunctions/Subroutinessubroutine dstedc (COMPZ, N, D, E, Z, LDZ, WORK, LWORK, IWORK, LIWORK, INFO) DSTEBZ Function/Subroutine Documentationsubroutine dstedc (characterCOMPZ, integerN, double precision, dimension( * )D, double precision, dimension( * )E, double precision, dimension( ldz, * )Z, integerLDZ, double precision, dimension( * )WORK, integerLWORK, integer, dimension( * )IWORK, integerLIWORK, integerINFO)DSTEBZ Purpose: DSTEDC computes all eigenvalues…
dstebz.f – SynopsisFunctions/Subroutinessubroutine dstebz (RANGE, ORDER, N, VL, VU, IL, IU, ABSTOL, D, E, M, NSPLIT, W, IBLOCK, ISPLIT, WORK, IWORK, INFO) DSTEBZ Function/Subroutine Documentationsubroutine dstebz (characterRANGE, characterORDER, integerN, double precisionVL, double precisionVU, integerIL, integerIU, double precisionABSTOL, double precision, dimension( * )D, double precision, dimension( * )E, integerM, integerNSPLIT, double precision, dimension( * )W, integer,…
dsptrs.f – SynopsisFunctions/Subroutinessubroutine dsptrs (UPLO, N, NRHS, AP, IPIV, B, LDB, INFO) DSPTRS Function/Subroutine Documentationsubroutine dsptrs (characterUPLO, integerN, integerNRHS, double precision, dimension( * )AP, integer, dimension( * )IPIV, double precision, dimension( ldb, * )B, integerLDB, integerINFO)DSPTRS Purpose: DSPTRS solves a system of linear equations A*X = B with a real symmetric matrix A stored in…
dsptri.f – SynopsisFunctions/Subroutinessubroutine dsptri (UPLO, N, AP, IPIV, WORK, INFO) DSPTRI Function/Subroutine Documentationsubroutine dsptri (characterUPLO, integerN, double precision, dimension( * )AP, integer, dimension( * )IPIV, double precision, dimension( * )WORK, integerINFO)DSPTRI Purpose: DSPTRI computes the inverse of a real symmetric indefinite matrix A in packed storage using the factorization A = U*D*U**T or A =…
dsptrf.f – SynopsisFunctions/Subroutinessubroutine dsptrf (UPLO, N, AP, IPIV, INFO) DSPTRF Function/Subroutine Documentationsubroutine dsptrf (characterUPLO, integerN, double precision, dimension( * )AP, integer, dimension( * )IPIV, integerINFO)DSPTRF Purpose: DSPTRF computes the factorization of a real symmetric matrix A stored in packed format using the Bunch-Kaufman diagonal pivoting method: A = U*D*U**T or A = L*D*L**T where U…
dsptrd.f – SynopsisFunctions/Subroutinessubroutine dsptrd (UPLO, N, AP, D, E, TAU, INFO) DSPTRD Function/Subroutine Documentationsubroutine dsptrd (characterUPLO, integerN, double precision, dimension( * )AP, double precision, dimension( * )D, double precision, dimension( * )E, double precision, dimension( * )TAU, integerINFO)DSPTRD Purpose: DSPTRD reduces a real symmetric matrix A stored in packed form to symmetric tridiagonal form T…
dspsvx.f – SynopsisFunctions/Subroutinessubroutine dspsvx (FACT, UPLO, N, NRHS, AP, AFP, IPIV, B, LDB, X, LDX, RCOND, FERR, BERR, WORK, IWORK, INFO) DSPSVX computes the solution to system of linear equations A * X = B for OTHER matrices Function/Subroutine Documentationsubroutine dspsvx (characterFACT, characterUPLO, integerN, integerNRHS, double precision, dimension( * )AP, double precision, dimension( * )AFP,…
dspsv.f – SynopsisFunctions/Subroutinessubroutine dspsv (UPLO, N, NRHS, AP, IPIV, B, LDB, INFO) DSPSV computes the solution to system of linear equations A * X = B for OTHER matrices Function/Subroutine Documentationsubroutine dspsv (characterUPLO, integerN, integerNRHS, double precision, dimension( * )AP, integer, dimension( * )IPIV, double precision, dimension( ldb, * )B, integerLDB, integerINFO) DSPSV computes the…
dsprfs.f – SynopsisFunctions/Subroutinessubroutine dsprfs (UPLO, N, NRHS, AP, AFP, IPIV, B, LDB, X, LDX, FERR, BERR, WORK, IWORK, INFO) DSPRFS Function/Subroutine Documentationsubroutine dsprfs (characterUPLO, integerN, integerNRHS, double precision, dimension( * )AP, double precision, dimension( * )AFP, integer, dimension( * )IPIV, double precision, dimension( ldb, * )B, integerLDB, double precision, dimension( ldx, * )X, integerLDX, double…
dspr2.f – SynopsisFunctions/Subroutinessubroutine dspr2 (UPLO, N, ALPHA, X, INCX, Y, INCY, AP) DSPR2 Function/Subroutine Documentationsubroutine dspr2 (characterUPLO, integerN, double precisionALPHA, double precision, dimension(*)X, integerINCX, double precision, dimension(*)Y, integerINCY, double precision, dimension(*)AP)DSPR2 Purpose: DSPR2 performs the symmetric rank 2 operation A := alpha*x*y**T + alpha*y*x**T + A, where alpha is a scalar, x and y are…
dspr.f – SynopsisFunctions/Subroutinessubroutine dspr (UPLO, N, ALPHA, X, INCX, AP) DSPR Function/Subroutine Documentationsubroutine dspr (characterUPLO, integerN, double precisionALPHA, double precision, dimension(*)X, integerINCX, double precision, dimension(*)AP)DSPR Purpose: DSPR performs the symmetric rank 1 operation A := alpha*x*x**T + A, where alpha is a real scalar, x is an n element vector and A is an n…
dsposv.f – SynopsisFunctions/Subroutinessubroutine dsposv (UPLO, N, NRHS, A, LDA, B, LDB, X, LDX, WORK, SWORK, ITER, INFO) DSPOSV computes the solution to system of linear equations A * X = B for PO matrices Function/Subroutine Documentationsubroutine dsposv (characterUPLO, integerN, integerNRHS, double precision, dimension( lda, * )A, integerLDA, double precision, dimension( ldb, * )B, integerLDB, double…
dspmv.f – SynopsisFunctions/Subroutinessubroutine dspmv (UPLO, N, ALPHA, AP, X, INCX, BETA, Y, INCY) DSPMV Function/Subroutine Documentationsubroutine dspmv (characterUPLO, integerN, double precisionALPHA, double precision, dimension(*)AP, double precision, dimension(*)X, integerINCX, double precisionBETA, double precision, dimension(*)Y, integerINCY)DSPMV Purpose: DSPMV performs the matrix-vector operation y := alpha*A*x + beta*y, where alpha and beta are scalars, x and y are…
dspgvx.f – SynopsisFunctions/Subroutinessubroutine dspgvx (ITYPE, JOBZ, RANGE, UPLO, N, AP, BP, VL, VU, IL, IU, ABSTOL, M, W, Z, LDZ, WORK, IWORK, IFAIL, INFO) DSPGST Function/Subroutine Documentationsubroutine dspgvx (integerITYPE, characterJOBZ, characterRANGE, characterUPLO, integerN, double precision, dimension( * )AP, double precision, dimension( * )BP, double precisionVL, double precisionVU, integerIL, integerIU, double precisionABSTOL, integerM, double precision, dimension(…
dspgvd.f – SynopsisFunctions/Subroutinessubroutine dspgvd (ITYPE, JOBZ, UPLO, N, AP, BP, W, Z, LDZ, WORK, LWORK, IWORK, LIWORK, INFO) DSPGST Function/Subroutine Documentationsubroutine dspgvd (integerITYPE, characterJOBZ, characterUPLO, integerN, double precision, dimension( * )AP, double precision, dimension( * )BP, double precision, dimension( * )W, double precision, dimension( ldz, * )Z, integerLDZ, double precision, dimension( * )WORK, integerLWORK, integer,…
dspgv.f – SynopsisFunctions/Subroutinessubroutine dspgv (ITYPE, JOBZ, UPLO, N, AP, BP, W, Z, LDZ, WORK, INFO) DSPGST Function/Subroutine Documentationsubroutine dspgv (integerITYPE, characterJOBZ, characterUPLO, integerN, double precision, dimension( * )AP, double precision, dimension( * )BP, double precision, dimension( * )W, double precision, dimension( ldz, * )Z, integerLDZ, double precision, dimension( * )WORK, integerINFO)DSPGST Purpose: DSPGV computes all…
dspgst.f – SynopsisFunctions/Subroutinessubroutine dspgst (ITYPE, UPLO, N, AP, BP, INFO) DSPGST Function/Subroutine Documentationsubroutine dspgst (integerITYPE, characterUPLO, integerN, double precision, dimension( * )AP, double precision, dimension( * )BP, integerINFO)DSPGST Purpose: DSPGST reduces a real symmetric-definite generalized eigenproblem to standard form, using packed storage. If ITYPE = 1, the problem is A*x = lambda*B*x, and A is…
dspevx.f – SynopsisFunctions/Subroutinessubroutine dspevx (JOBZ, RANGE, UPLO, N, AP, VL, VU, IL, IU, ABSTOL, M, W, Z, LDZ, WORK, IWORK, IFAIL, INFO) DSPEVX computes the eigenvalues and, optionally, the left and/or right eigenvectors for OTHER matrices Function/Subroutine Documentationsubroutine dspevx (characterJOBZ, characterRANGE, characterUPLO, integerN, double precision, dimension( * )AP, double precisionVL, double precisionVU, integerIL, integerIU, double…
dspevd.f – SynopsisFunctions/Subroutinessubroutine dspevd (JOBZ, UPLO, N, AP, W, Z, LDZ, WORK, LWORK, IWORK, LIWORK, INFO) DSPEVD computes the eigenvalues and, optionally, the left and/or right eigenvectors for OTHER matrices Function/Subroutine Documentationsubroutine dspevd (characterJOBZ, characterUPLO, integerN, double precision, dimension( * )AP, double precision, dimension( * )W, double precision, dimension( ldz, * )Z, integerLDZ, double precision,…