Section 3: library functions
csteqr.f – SynopsisFunctions/Subroutinessubroutine csteqr (COMPZ, N, D, E, Z, LDZ, WORK, INFO) CSTEQR Function/Subroutine Documentationsubroutine csteqr (characterCOMPZ, integerN, real, dimension( * )D, real, dimension( * )E, complex, dimension( ldz, * )Z, integerLDZ, real, dimension( * )WORK, integerINFO)CSTEQR Purpose: CSTEQR computes all eigenvalues and, optionally, eigenvectors of a symmetric tridiagonal matrix using the implicit QL or…
cstemr.f – SynopsisFunctions/Subroutinessubroutine cstemr (JOBZ, RANGE, N, D, E, VL, VU, IL, IU, M, W, Z, LDZ, NZC, ISUPPZ, TRYRAC, WORK, LWORK, IWORK, LIWORK, INFO) CSTEMR Function/Subroutine Documentationsubroutine cstemr (characterJOBZ, characterRANGE, integerN, real, dimension( * )D, real, dimension( * )E, realVL, realVU, integerIL, integerIU, integerM, real, dimension( * )W, complex, dimension( ldz, * )Z, integerLDZ,…
cstein.f – SynopsisFunctions/Subroutinessubroutine cstein (N, D, E, M, W, IBLOCK, ISPLIT, Z, LDZ, WORK, IWORK, IFAIL, INFO) CSTEIN Function/Subroutine Documentationsubroutine cstein (integerN, real, dimension( * )D, real, dimension( * )E, integerM, real, dimension( * )W, integer, dimension( * )IBLOCK, integer, dimension( * )ISPLIT, complex, dimension( ldz, * )Z, integerLDZ, real, dimension( * )WORK, integer, dimension(…
cstegr.f – SynopsisFunctions/Subroutinessubroutine cstegr (JOBZ, RANGE, N, D, E, VL, VU, IL, IU, ABSTOL, M, W, Z, LDZ, ISUPPZ, WORK, LWORK, IWORK, LIWORK, INFO) CSTEGR Function/Subroutine Documentationsubroutine cstegr (characterJOBZ, characterRANGE, integerN, real, dimension( * )D, real, dimension( * )E, realVL, realVU, integerIL, integerIU, realABSTOL, integerM, real, dimension( * )W, complex, dimension( ldz, * )Z, integerLDZ,…
cstedc.f – SynopsisFunctions/Subroutinessubroutine cstedc (COMPZ, N, D, E, Z, LDZ, WORK, LWORK, RWORK, LRWORK, IWORK, LIWORK, INFO) CSTEDC Function/Subroutine Documentationsubroutine cstedc (characterCOMPZ, integerN, real, dimension( * )D, real, dimension( * )E, complex, dimension( ldz, * )Z, integerLDZ, complex, dimension( * )WORK, integerLWORK, real, dimension( * )RWORK, integerLRWORK, integer, dimension( * )IWORK, integerLIWORK, integerINFO)CSTEDC Purpose: CSTEDC…
csscal.f – SynopsisFunctions/Subroutinessubroutine csscal (N, SA, CX, INCX) CSSCAL Function/Subroutine Documentationsubroutine csscal (integerN, realSA, complex, dimension(*)CX, integerINCX)CSSCAL Purpose: CSSCAL scales a complex vector by a real constant. Author: Univ. of Tennessee Univ. of California Berkeley Univ. of Colorado Denver NAG Ltd. Date: November 2011 Further Details: jack dongarra, linpack, 3/11/78. modified 3/93 to return if…
csrscl.f – SynopsisFunctions/Subroutinessubroutine csrscl (N, SA, SX, INCX) CSRSCL multiplies a vector by the reciprocal of a real scalar. Function/Subroutine Documentationsubroutine csrscl (integerN, realSA, complex, dimension( * )SX, integerINCX)CSRSCL multiplies a vector by the reciprocal of a real scalar. Purpose: CSRSCL multiplies an n-element complex vector x by the real scalar 1/a. This is done…
csrot.f – SynopsisFunctions/Subroutinessubroutine csrot (N, CX, INCX, CY, INCY, C, S) CSROT Function/Subroutine Documentationsubroutine csrot (integerN, complex, dimension( * )CX, integerINCX, complex, dimension( * )CY, integerINCY, realC, realS)CSROT Purpose: CSROT applies a plane rotation, where the cos and sin (c and s) are real and the vectors cx and cy are complex. jack dongarra, linpack,…
csptrs.f – SynopsisFunctions/Subroutinessubroutine csptrs (UPLO, N, NRHS, AP, IPIV, B, LDB, INFO) CSPTRS Function/Subroutine Documentationsubroutine csptrs (characterUPLO, integerN, integerNRHS, complex, dimension( * )AP, integer, dimension( * )IPIV, complex, dimension( ldb, * )B, integerLDB, integerINFO)CSPTRS Purpose: CSPTRS solves a system of linear equations A*X = B with a complex symmetric matrix A stored in packed format…
csptri.f – SynopsisFunctions/Subroutinessubroutine csptri (UPLO, N, AP, IPIV, WORK, INFO) CSPTRI Function/Subroutine Documentationsubroutine csptri (characterUPLO, integerN, complex, dimension( * )AP, integer, dimension( * )IPIV, complex, dimension( * )WORK, integerINFO)CSPTRI Purpose: CSPTRI computes the inverse of a complex symmetric indefinite matrix A in packed storage using the factorization A = U*D*U**T or A = L*D*L**T computed…
csptrf.f – SynopsisFunctions/Subroutinessubroutine csptrf (UPLO, N, AP, IPIV, INFO) CSPTRF Function/Subroutine Documentationsubroutine csptrf (characterUPLO, integerN, complex, dimension( * )AP, integer, dimension( * )IPIV, integerINFO)CSPTRF Purpose: CSPTRF computes the factorization of a complex 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 (or…
cspsvx.f – SynopsisFunctions/Subroutinessubroutine cspsvx (FACT, UPLO, N, NRHS, AP, AFP, IPIV, B, LDB, X, LDX, RCOND, FERR, BERR, WORK, RWORK, INFO) CSPSVX computes the solution to system of linear equations A * X = B for OTHER matrices Function/Subroutine Documentationsubroutine cspsvx (characterFACT, characterUPLO, integerN, integerNRHS, complex, dimension( * )AP, complex, dimension( * )AFP, integer, dimension(…
cspsv.f – SynopsisFunctions/Subroutinessubroutine cspsv (UPLO, N, NRHS, AP, IPIV, B, LDB, INFO) CSPSV computes the solution to system of linear equations A * X = B for OTHER matrices Function/Subroutine Documentationsubroutine cspsv (characterUPLO, integerN, integerNRHS, complex, dimension( * )AP, integer, dimension( * )IPIV, complex, dimension( ldb, * )B, integerLDB, integerINFO) CSPSV computes the solution to…
csprfs.f – SynopsisFunctions/Subroutinessubroutine csprfs (UPLO, N, NRHS, AP, AFP, IPIV, B, LDB, X, LDX, FERR, BERR, WORK, RWORK, INFO) CSPRFS Function/Subroutine Documentationsubroutine csprfs (characterUPLO, integerN, integerNRHS, complex, dimension( * )AP, complex, dimension( * )AFP, integer, dimension( * )IPIV, complex, dimension( ldb, * )B, integerLDB, complex, dimension( ldx, * )X, integerLDX, real, dimension( * )FERR, real,…
cspr.f – SynopsisFunctions/Subroutinessubroutine cspr (UPLO, N, ALPHA, X, INCX, AP) CSPR performs the symmetrical rank-1 update of a complex symmetric packed matrix. Function/Subroutine Documentationsubroutine cspr (characterUPLO, integerN, complexALPHA, complex, dimension( * )X, integerINCX, complex, dimension( * )AP)CSPR performs the symmetrical rank-1 update of a complex symmetric packed matrix. Purpose: CSPR performs the symmetric rank 1…
cspmv.f – SynopsisFunctions/Subroutinessubroutine cspmv (UPLO, N, ALPHA, AP, X, INCX, BETA, Y, INCY) CSPMV computes a matrix-vector product for complex vectors using a complex symmetric packed matrix Function/Subroutine Documentationsubroutine cspmv (characterUPLO, integerN, complexALPHA, complex, dimension( * )AP, complex, dimension( * )X, integerINCX, complexBETA, complex, dimension( * )Y, integerINCY)CSPMV computes a matrix-vector product for complex vectors…
cspcon.f – SynopsisFunctions/Subroutinessubroutine cspcon (UPLO, N, AP, IPIV, ANORM, RCOND, WORK, INFO) CSPCON Function/Subroutine Documentationsubroutine cspcon (characterUPLO, integerN, complex, dimension( * )AP, integer, dimension( * )IPIV, realANORM, realRCOND, complex, dimension( * )WORK, integerINFO)CSPCON Purpose: CSPCON estimates the reciprocal of the condition number (in the 1-norm) of a complex symmetric packed matrix A using the factorization…
cscal.f – SynopsisFunctions/Subroutinessubroutine cscal (N, CA, CX, INCX) CSCAL Function/Subroutine Documentationsubroutine cscal (integerN, complexCA, complex, dimension(*)CX, integerINCX)CSCAL Purpose: CSCAL scales a vector by a constant. Author: Univ. of Tennessee Univ. of California Berkeley Univ. of Colorado Denver NAG Ltd. Date: November 2011 Further Details: jack dongarra, linpack, 3/11/78. modified 3/93 to return if incx .le….
crotg.f – SynopsisFunctions/Subroutinessubroutine crotg (CA, CB, C, S) CROTG Function/Subroutine Documentationsubroutine crotg (complexCA, complexCB, realC, complexS)CROTG Purpose: CROTG determines a complex Givens rotation. Author: Univ. of Tennessee Univ. of California Berkeley Univ. of Colorado Denver NAG Ltd. Date: November 2011 Definition at line 40 of file crotg.f. AuthorGenerated automatically by Doxygen for LAPACK from the…
crot.f – SynopsisFunctions/Subroutinessubroutine crot (N, CX, INCX, CY, INCY, C, S) CROT applies a plane rotation with real cosine and complex sine to a pair of complex vectors. Function/Subroutine Documentationsubroutine crot (integerN, complex, dimension( * )CX, integerINCX, complex, dimension( * )CY, integerINCY, realC, complexS)CROT applies a plane rotation with real cosine and complex sine to…