Section 3: library functions
zladiv.f – Synopsis Functions/Subroutines COMPLEX *16 function zladiv (X, Y) ZLADIV performs complex division in real arithmetic, avoiding unnecessary overflow. Function/Subroutine Documentation COMPLEX*16 function zladiv (complex*16X, complex*16Y) ZLADIV performs complex division in real arithmetic, avoiding unnecessary overflow. Purpose: ZLADIV := X / Y, where X and Y are complex. The computation of X / Y…
zladiv.f – Synopsis Functions/Subroutines COMPLEX *16 function zladiv (X, Y) ZLADIV performs complex division in real arithmetic, avoiding unnecessary overflow. Function/Subroutine Documentation COMPLEX*16 function zladiv (complex*16X, complex*16Y) ZLADIV performs complex division in real arithmetic, avoiding unnecessary overflow. Purpose: ZLADIV := X / Y, where X and Y are complex. The computation of X / Y…
zlacrt.f – Synopsis Functions/Subroutines subroutine zlacrt (N, CX, INCX, CY, INCY, C, S) ZLACRT performs a linear transformation of a pair of complex vectors. Function/Subroutine Documentation subroutine zlacrt (integerN, complex*16, dimension( * )CX, integerINCX, complex*16, dimension( * )CY, integerINCY, complex*16C, complex*16S) ZLACRT performs a linear transformation of a pair of complex vectors. Purpose: ZLACRT performs…
zlacrt.f – Synopsis Functions/Subroutines subroutine zlacrt (N, CX, INCX, CY, INCY, C, S) ZLACRT performs a linear transformation of a pair of complex vectors. Function/Subroutine Documentation subroutine zlacrt (integerN, complex*16, dimension( * )CX, integerINCX, complex*16, dimension( * )CY, integerINCY, complex*16C, complex*16S) ZLACRT performs a linear transformation of a pair of complex vectors. Purpose: ZLACRT performs…
zlacrm.f – Synopsis Functions/Subroutines subroutine zlacrm (M, N, A, LDA, B, LDB, C, LDC, RWORK) ZLACRM multiplies a complex matrix by a square real matrix. Function/Subroutine Documentation subroutine zlacrm (integerM, integerN, complex*16, dimension( lda, * )A, integerLDA, double precision, dimension( ldb, * )B, integerLDB, complex*16, dimension( ldc, * )C, integerLDC, double precision, dimension( * )RWORK)…
zlacrm.f – Synopsis Functions/Subroutines subroutine zlacrm (M, N, A, LDA, B, LDB, C, LDC, RWORK) ZLACRM multiplies a complex matrix by a square real matrix. Function/Subroutine Documentation subroutine zlacrm (integerM, integerN, complex*16, dimension( lda, * )A, integerLDA, double precision, dimension( ldb, * )B, integerLDB, complex*16, dimension( ldc, * )C, integerLDC, double precision, dimension( * )RWORK)…
zlacpy.f – Synopsis Functions/Subroutines subroutine zlacpy (UPLO, M, N, A, LDA, B, LDB) ZLACPY copies all or part of one two-dimensional array to another. Function/Subroutine Documentation subroutine zlacpy (characterUPLO, integerM, integerN, complex*16, dimension( lda, * )A, integerLDA, complex*16, dimension( ldb, * )B, integerLDB) ZLACPY copies all or part of one two-dimensional array to another. Purpose:…
zlacpy.f – Synopsis Functions/Subroutines subroutine zlacpy (UPLO, M, N, A, LDA, B, LDB) ZLACPY copies all or part of one two-dimensional array to another. Function/Subroutine Documentation subroutine zlacpy (characterUPLO, integerM, integerN, complex*16, dimension( lda, * )A, integerLDA, complex*16, dimension( ldb, * )B, integerLDB) ZLACPY copies all or part of one two-dimensional array to another. Purpose:…
zlacp2.f – Synopsis Functions/Subroutines subroutine zlacp2 (UPLO, M, N, A, LDA, B, LDB) ZLACP2 copies all or part of a real two-dimensional array to a complex array. Function/Subroutine Documentation subroutine zlacp2 (characterUPLO, integerM, integerN, double precision, dimension( lda, * )A, integerLDA, complex*16, dimension( ldb, * )B, integerLDB) ZLACP2 copies all or part of a real…
zlacp2.f – Synopsis Functions/Subroutines subroutine zlacp2 (UPLO, M, N, A, LDA, B, LDB) ZLACP2 copies all or part of a real two-dimensional array to a complex array. Function/Subroutine Documentation subroutine zlacp2 (characterUPLO, integerM, integerN, double precision, dimension( lda, * )A, integerLDA, complex*16, dimension( ldb, * )B, integerLDB) ZLACP2 copies all or part of a real…
zlacon.f – Synopsis Functions/Subroutines subroutine zlacon (N, V, X, EST, KASE) ZLACON estimates the 1-norm of a square matrix, using reverse communication for evaluating matrix-vector products. Function/Subroutine Documentation subroutine zlacon (integerN, complex*16, dimension( n )V, complex*16, dimension( n )X, double precisionEST, integerKASE) ZLACON estimates the 1-norm of a square matrix, using reverse communication for evaluating…
zlacon.f – Synopsis Functions/Subroutines subroutine zlacon (N, V, X, EST, KASE) ZLACON estimates the 1-norm of a square matrix, using reverse communication for evaluating matrix-vector products. Function/Subroutine Documentation subroutine zlacon (integerN, complex*16, dimension( n )V, complex*16, dimension( n )X, double precisionEST, integerKASE) ZLACON estimates the 1-norm of a square matrix, using reverse communication for evaluating…
zlacn2.f – Synopsis Functions/Subroutines subroutine zlacn2 (N, V, X, EST, KASE, ISAVE) ZLACN2 estimates the 1-norm of a square matrix, using reverse communication for evaluating matrix-vector products. Function/Subroutine Documentation subroutine zlacn2 (integerN, complex*16, dimension( * )V, complex*16, dimension( * )X, double precisionEST, integerKASE, integer, dimension( 3 )ISAVE) ZLACN2 estimates the 1-norm of a square matrix,…
zlacn2.f – Synopsis Functions/Subroutines subroutine zlacn2 (N, V, X, EST, KASE, ISAVE) ZLACN2 estimates the 1-norm of a square matrix, using reverse communication for evaluating matrix-vector products. Function/Subroutine Documentation subroutine zlacn2 (integerN, complex*16, dimension( * )V, complex*16, dimension( * )X, double precisionEST, integerKASE, integer, dimension( 3 )ISAVE) ZLACN2 estimates the 1-norm of a square matrix,…
zlacgv.f – Synopsis Functions/Subroutines subroutine zlacgv (N, X, INCX) ZLACGV conjugates a complex vector. Function/Subroutine Documentation subroutine zlacgv (integerN, complex*16, dimension( * )X, integerINCX) ZLACGV conjugates a complex vector. Purpose: ZLACGV conjugates a complex vector of length N. Parameters: N N is INTEGER The length of the vector X. N >= 0. X X…
zlacgv.f – Synopsis Functions/Subroutines subroutine zlacgv (N, X, INCX) ZLACGV conjugates a complex vector. Function/Subroutine Documentation subroutine zlacgv (integerN, complex*16, dimension( * )X, integerINCX) ZLACGV conjugates a complex vector. Purpose: ZLACGV conjugates a complex vector of length N. Parameters: N N is INTEGER The length of the vector X. N >= 0. X X…
zlabrd.f – Synopsis Functions/Subroutines subroutine zlabrd (M, N, NB, A, LDA, D, E, TAUQ, TAUP, X, LDX, Y, LDY) ZLABRD reduces the first nb rows and columns of a general matrix to a bidiagonal form. Function/Subroutine Documentation subroutine zlabrd (integerM, integerN, integerNB, complex*16, dimension( lda, * )A, integerLDA, double precision, dimension( * )D, double precision,…
zlabrd.f – Synopsis Functions/Subroutines subroutine zlabrd (M, N, NB, A, LDA, D, E, TAUQ, TAUP, X, LDX, Y, LDY) ZLABRD reduces the first nb rows and columns of a general matrix to a bidiagonal form. Function/Subroutine Documentation subroutine zlabrd (integerM, integerN, integerNB, complex*16, dimension( lda, * )A, integerLDA, double precision, dimension( * )D, double precision,…
zla_wwaddw.f – Synopsis Functions/Subroutines subroutine zla_wwaddw (N, X, Y, W) ZLA_WWADDW adds a vector into a doubled-single vector. Function/Subroutine Documentation subroutine zla_wwaddw (integerN, complex*16, dimension( * )X, complex*16, dimension( * )Y, complex*16, dimension( * )W) ZLA_WWADDW adds a vector into a doubled-single vector. Purpose: ZLA_WWADDW adds a vector W into a doubled-single vector (X, Y)….
zla_wwaddw.f – Synopsis Functions/Subroutines subroutine zla_wwaddw (N, X, Y, W) ZLA_WWADDW adds a vector into a doubled-single vector. Function/Subroutine Documentation subroutine zla_wwaddw (integerN, complex*16, dimension( * )X, complex*16, dimension( * )Y, complex*16, dimension( * )W) ZLA_WWADDW adds a vector into a doubled-single vector. Purpose: ZLA_WWADDW adds a vector W into a doubled-single vector (X, Y)….