Linux Manuals

The Linux Manuals (man pages) document is an important part of Linux documents. Linux Manuals are organized as several sections. Each section has a group of commands for a specific area in Linux usage, administration or development.

Linux Manuals | Linux Manuals session 3

zla_porcond_x.f (3) Linux Manual Page
ByLinux Manual May 2, 2026May 19, 2026

zla_porcond_x.f – Synopsis Functions/Subroutines DOUBLE PRECISION function zla_porcond_x (UPLO, N, A, LDA, AF, LDAF, X, INFO, WORK, RWORK) ZLA_PORCOND_X computes the infinity norm condition number of op(A)*diag(x) for Hermitian positive-definite matrices. Function/Subroutine Documentation DOUBLE PRECISION function zla_porcond_x (characterUPLO, integerN, complex*16, dimension( lda, * )A, integerLDA, complex*16, dimension( ldaf, * )AF, integerLDAF, complex*16, dimension( * )X,…

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zla_porcond_c (3) Linux Manual Page
ByLinux Manual May 2, 2026May 19, 2026

zla_porcond_c.f – Synopsis Functions/Subroutines DOUBLE PRECISION function zla_porcond_c (UPLO, N, A, LDA, AF, LDAF, C, CAPPLY, INFO, WORK, RWORK) ZLA_PORCOND_C computes the infinity norm condition number of op(A)*inv(diag(c)) for Hermitian positive-definite matrices. Function/Subroutine Documentation DOUBLE PRECISION function zla_porcond_c (characterUPLO, integerN, complex*16, dimension( lda, * )A, integerLDA, complex*16, dimension( ldaf, * )AF, integerLDAF, double precision, dimension(…

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zla_porcond_c.f (3) Linux Manual Page
ByLinux Manual May 2, 2026May 19, 2026

zla_porcond_c.f – Synopsis Functions/Subroutines DOUBLE PRECISION function zla_porcond_c (UPLO, N, A, LDA, AF, LDAF, C, CAPPLY, INFO, WORK, RWORK) ZLA_PORCOND_C computes the infinity norm condition number of op(A)*inv(diag(c)) for Hermitian positive-definite matrices. Function/Subroutine Documentation DOUBLE PRECISION function zla_porcond_c (characterUPLO, integerN, complex*16, dimension( lda, * )A, integerLDA, complex*16, dimension( ldaf, * )AF, integerLDAF, double precision, dimension(…

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zla_lin_berr (3) Linux Manual Page
ByLinux Manual May 2, 2026May 19, 2026

zla_lin_berr.f – Synopsis Functions/Subroutines subroutine zla_lin_berr (N, NZ, NRHS, RES, AYB, BERR) ZLA_LIN_BERR computes a component-wise relative backward error. Function/Subroutine Documentation subroutine zla_lin_berr (integerN, integerNZ, integerNRHS, complex*16, dimension( n, nrhs )RES, double precision, dimension( n, nrhs )AYB, double precision, dimension( nrhs )BERR) ZLA_LIN_BERR computes a component-wise relative backward error. Purpose: ZLA_LIN_BERR computes componentwise relative backward…

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zla_lin_berr.f (3) Linux Manual Page
ByLinux Manual May 2, 2026May 19, 2026

zla_lin_berr.f – Synopsis Functions/Subroutines subroutine zla_lin_berr (N, NZ, NRHS, RES, AYB, BERR) ZLA_LIN_BERR computes a component-wise relative backward error. Function/Subroutine Documentation subroutine zla_lin_berr (integerN, integerNZ, integerNRHS, complex*16, dimension( n, nrhs )RES, double precision, dimension( n, nrhs )AYB, double precision, dimension( nrhs )BERR) ZLA_LIN_BERR computes a component-wise relative backward error. Purpose: ZLA_LIN_BERR computes componentwise relative backward…

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zla_herpvgrw (3) Linux Manual Page
ByLinux Manual May 2, 2026May 19, 2026

zla_herpvgrw.f – Synopsis Functions/Subroutines DOUBLE PRECISION function zla_herpvgrw (UPLO, N, INFO, A, LDA, AF, LDAF, IPIV, WORK) ZLA_HERPVGRW Function/Subroutine Documentation DOUBLE PRECISION function zla_herpvgrw (character*1UPLO, integerN, integerINFO, complex*16, dimension( lda, * )A, integerLDA, complex*16, dimension( ldaf, * )AF, integerLDAF, integer, dimension( * )IPIV, double precision, dimension( * )WORK) ZLA_HERPVGRW Purpose: ZLA_HERPVGRW computes the reciprocal pivot…

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zla_herpvgrw.f (3) Linux Manual Page
ByLinux Manual May 2, 2026May 19, 2026

zla_herpvgrw.f – Synopsis Functions/Subroutines DOUBLE PRECISION function zla_herpvgrw (UPLO, N, INFO, A, LDA, AF, LDAF, IPIV, WORK) ZLA_HERPVGRW Function/Subroutine Documentation DOUBLE PRECISION function zla_herpvgrw (character*1UPLO, integerN, integerINFO, complex*16, dimension( lda, * )A, integerLDA, complex*16, dimension( ldaf, * )AF, integerLDAF, integer, dimension( * )IPIV, double precision, dimension( * )WORK) ZLA_HERPVGRW Purpose: ZLA_HERPVGRW computes the reciprocal pivot…

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zla_herfsx_extended (3) Linux Manual Page
ByLinux Manual May 2, 2026May 19, 2026

zla_herfsx_extended.f – Synopsis Functions/Subroutines subroutine zla_herfsx_extended (PREC_TYPE, UPLO, N, NRHS, A, LDA, AF, LDAF, IPIV, COLEQU, C, B, LDB, Y, LDY, BERR_OUT, N_NORMS, ERR_BNDS_NORM, ERR_BNDS_COMP, RES, AYB, DY, Y_TAIL, RCOND, ITHRESH, RTHRESH, DZ_UB, IGNORE_CWISE, INFO) ZLA_HERFSX_EXTENDED improves the computed solution to a system of linear equations for Hermitian indefinite matrices by performing extra-precise iterative refinement…

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zla_herfsx_extended.f (3) Linux Manual Page
ByLinux Manual May 2, 2026May 19, 2026

zla_herfsx_extended.f – Synopsis Functions/Subroutines subroutine zla_herfsx_extended (PREC_TYPE, UPLO, N, NRHS, A, LDA, AF, LDAF, IPIV, COLEQU, C, B, LDB, Y, LDY, BERR_OUT, N_NORMS, ERR_BNDS_NORM, ERR_BNDS_COMP, RES, AYB, DY, Y_TAIL, RCOND, ITHRESH, RTHRESH, DZ_UB, IGNORE_CWISE, INFO) ZLA_HERFSX_EXTENDED improves the computed solution to a system of linear equations for Hermitian indefinite matrices by performing extra-precise iterative refinement…

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zla_hercond_x (3) Linux Manual Page
ByLinux Manual May 2, 2026May 19, 2026

zla_hercond_x.f – Synopsis Functions/Subroutines DOUBLE PRECISION function zla_hercond_x (UPLO, N, A, LDA, AF, LDAF, IPIV, X, INFO, WORK, RWORK) ZLA_HERCOND_X computes the infinity norm condition number of op(A)*diag(x) for Hermitian indefinite matrices. Function/Subroutine Documentation DOUBLE PRECISION function zla_hercond_x (characterUPLO, integerN, complex*16, dimension( lda, * )A, integerLDA, complex*16, dimension( ldaf, * )AF, integerLDAF, integer, dimension( *…

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zla_hercond_x.f (3) Linux Manual Page
ByLinux Manual May 2, 2026May 19, 2026

zla_hercond_x.f – Synopsis Functions/Subroutines DOUBLE PRECISION function zla_hercond_x (UPLO, N, A, LDA, AF, LDAF, IPIV, X, INFO, WORK, RWORK) ZLA_HERCOND_X computes the infinity norm condition number of op(A)*diag(x) for Hermitian indefinite matrices. Function/Subroutine Documentation DOUBLE PRECISION function zla_hercond_x (characterUPLO, integerN, complex*16, dimension( lda, * )A, integerLDA, complex*16, dimension( ldaf, * )AF, integerLDAF, integer, dimension( *…

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zla_hercond_c (3) Linux Manual Page
ByLinux Manual May 2, 2026May 19, 2026

zla_hercond_c.f – Synopsis Functions/Subroutines DOUBLE PRECISION function zla_hercond_c (UPLO, N, A, LDA, AF, LDAF, IPIV, C, CAPPLY, INFO, WORK, RWORK) ZLA_HERCOND_C computes the infinity norm condition number of op(A)*inv(diag(c)) for Hermitian indefinite matrices. Function/Subroutine Documentation DOUBLE PRECISION function zla_hercond_c (characterUPLO, integerN, complex*16, dimension( lda, * )A, integerLDA, complex*16, dimension( ldaf, * )AF, integerLDAF, integer, dimension(…

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zla_hercond_c.f (3) Linux Manual Page
ByLinux Manual May 2, 2026May 19, 2026

zla_hercond_c.f – Synopsis Functions/Subroutines DOUBLE PRECISION function zla_hercond_c (UPLO, N, A, LDA, AF, LDAF, IPIV, C, CAPPLY, INFO, WORK, RWORK) ZLA_HERCOND_C computes the infinity norm condition number of op(A)*inv(diag(c)) for Hermitian indefinite matrices. Function/Subroutine Documentation DOUBLE PRECISION function zla_hercond_c (characterUPLO, integerN, complex*16, dimension( lda, * )A, integerLDA, complex*16, dimension( ldaf, * )AF, integerLDAF, integer, dimension(…

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zla_heamv (3) Linux Manual Page
ByLinux Manual May 2, 2026May 19, 2026

zla_heamv.f – Synopsis Functions/Subroutines subroutine zla_heamv (UPLO, N, ALPHA, A, LDA, X, INCX, BETA, Y, INCY) ZLA_HEAMV computes a matrix-vector product using a Hermitian indefinite matrix to calculate error bounds. Function/Subroutine Documentation subroutine zla_heamv (integerUPLO, integerN, double precisionALPHA, complex*16, dimension( lda, * )A, integerLDA, complex*16, dimension( * )X, integerINCX, double precisionBETA, double precision, dimension( *…

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zla_heamv.f (3) Linux Manual Page
ByLinux Manual May 2, 2026May 19, 2026

zla_heamv.f – Synopsis Functions/Subroutines subroutine zla_heamv (UPLO, N, ALPHA, A, LDA, X, INCX, BETA, Y, INCY) ZLA_HEAMV computes a matrix-vector product using a Hermitian indefinite matrix to calculate error bounds. Function/Subroutine Documentation subroutine zla_heamv (integerUPLO, integerN, double precisionALPHA, complex*16, dimension( lda, * )A, integerLDA, complex*16, dimension( * )X, integerINCX, double precisionBETA, double precision, dimension( *…

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zla_gerpvgrw (3) Linux Manual Page
ByLinux Manual May 2, 2026May 19, 2026

zla_gerpvgrw.f – Synopsis Functions/Subroutines DOUBLE PRECISION function zla_gerpvgrw (N, NCOLS, A, LDA, AF, LDAF) ZLA_GERPVGRW multiplies a square real matrix by a complex matrix. Function/Subroutine Documentation DOUBLE PRECISION function zla_gerpvgrw (integerN, integerNCOLS, complex*16, dimension( lda, * )A, integerLDA, complex*16, dimension( ldaf, * )AF, integerLDAF) ZLA_GERPVGRW multiplies a square real matrix by a complex matrix. Purpose:…

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zla_gerpvgrw.f (3) Linux Manual Page
ByLinux Manual May 2, 2026May 19, 2026

zla_gerpvgrw.f – Synopsis Functions/Subroutines DOUBLE PRECISION function zla_gerpvgrw (N, NCOLS, A, LDA, AF, LDAF) ZLA_GERPVGRW multiplies a square real matrix by a complex matrix. Function/Subroutine Documentation DOUBLE PRECISION function zla_gerpvgrw (integerN, integerNCOLS, complex*16, dimension( lda, * )A, integerLDA, complex*16, dimension( ldaf, * )AF, integerLDAF) ZLA_GERPVGRW multiplies a square real matrix by a complex matrix. Purpose:…

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zla_gerfsx_extended (3) Linux Manual Page
ByLinux Manual May 2, 2026May 19, 2026

zla_gerfsx_extended.f – Synopsis Functions/Subroutines subroutine zla_gerfsx_extended (PREC_TYPE, TRANS_TYPE, N, NRHS, A, LDA, AF, LDAF, IPIV, COLEQU, C, B, LDB, Y, LDY, BERR_OUT, N_NORMS, ERRS_N, ERRS_C, RES, AYB, DY, Y_TAIL, RCOND, ITHRESH, RTHRESH, DZ_UB, IGNORE_CWISE, INFO) ZLA_GERFSX_EXTENDED Function/Subroutine Documentation subroutine zla_gerfsx_extended (integerPREC_TYPE, integerTRANS_TYPE, integerN, integerNRHS, complex*16, dimension( lda, * )A, integerLDA, complex*16, dimension( ldaf, * )AF,…

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zla_gerfsx_extended.f (3) Linux Manual Page
ByLinux Manual May 2, 2026May 19, 2026

zla_gerfsx_extended.f – Synopsis Functions/Subroutines subroutine zla_gerfsx_extended (PREC_TYPE, TRANS_TYPE, N, NRHS, A, LDA, AF, LDAF, IPIV, COLEQU, C, B, LDB, Y, LDY, BERR_OUT, N_NORMS, ERRS_N, ERRS_C, RES, AYB, DY, Y_TAIL, RCOND, ITHRESH, RTHRESH, DZ_UB, IGNORE_CWISE, INFO) ZLA_GERFSX_EXTENDED Function/Subroutine Documentation subroutine zla_gerfsx_extended (integerPREC_TYPE, integerTRANS_TYPE, integerN, integerNRHS, complex*16, dimension( lda, * )A, integerLDA, complex*16, dimension( ldaf, * )AF,…

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zla_gercond_x (3) Linux Manual Page
ByLinux Manual May 2, 2026May 19, 2026

zla_gercond_x.f – Synopsis Functions/Subroutines DOUBLE PRECISION function zla_gercond_x (TRANS, N, A, LDA, AF, LDAF, IPIV, X, INFO, WORK, RWORK) ZLA_GERCOND_X computes the infinity norm condition number of op(A)*diag(x) for general matrices. Function/Subroutine Documentation DOUBLE PRECISION function zla_gercond_x (characterTRANS, integerN, complex*16, dimension( lda, * )A, integerLDA, complex*16, dimension( ldaf, * )AF, integerLDAF, integer, dimension( * )IPIV,…

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