.TH "SRC/zla_porcond_x.f" 3 "Version 3.12.0" "LAPACK" \" -*- nroff -*-
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.SH NAME
SRC/zla_porcond_x.f
.SH SYNOPSIS
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.SS "Functions/Subroutines"

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.RI "double precision function \fBzla_porcond_x\fP (uplo, n, a, lda, af, ldaf, x, info, work, rwork)"
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.RI "\fBZLA_PORCOND_X\fP computes the infinity norm condition number of op(A)*diag(x) for Hermitian positive-definite matrices\&. "
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.SH "Function/Subroutine Documentation"
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.SS "double precision function zla_porcond_x (character uplo, integer n, complex*16, dimension( lda, * ) a, integer lda, complex*16, dimension( ldaf, * ) af, integer ldaf, complex*16, dimension( * ) x, integer info, complex*16, dimension( * ) work, double precision, dimension( * ) rwork)"

.PP
\fBZLA_PORCOND_X\fP computes the infinity norm condition number of op(A)*diag(x) for Hermitian positive-definite matrices\&.  
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\fBPurpose:\fP
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.nf
    ZLA_PORCOND_X Computes the infinity norm condition number of
    op(A) * diag(X) where X is a COMPLEX*16 vector\&.
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.RE
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\fBParameters\fP
.RS 4
\fIUPLO\fP 
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          UPLO is CHARACTER*1
       = 'U':  Upper triangle of A is stored;
       = 'L':  Lower triangle of A is stored\&.
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\fIN\fP 
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          N is INTEGER
     The number of linear equations, i\&.e\&., the order of the
     matrix A\&.  N >= 0\&.
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\fIA\fP 
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          A is COMPLEX*16 array, dimension (LDA,N)
     On entry, the N-by-N matrix A\&.
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\fILDA\fP 
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          LDA is INTEGER
     The leading dimension of the array A\&.  LDA >= max(1,N)\&.
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\fIAF\fP 
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          AF is COMPLEX*16 array, dimension (LDAF,N)
     The triangular factor U or L from the Cholesky factorization
     A = U**H*U or A = L*L**H, as computed by ZPOTRF\&.
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\fILDAF\fP 
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          LDAF is INTEGER
     The leading dimension of the array AF\&.  LDAF >= max(1,N)\&.
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\fIX\fP 
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          X is COMPLEX*16 array, dimension (N)
     The vector X in the formula op(A) * diag(X)\&.
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\fIINFO\fP 
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          INFO is INTEGER
       = 0:  Successful exit\&.
     i > 0:  The ith argument is invalid\&.
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\fIWORK\fP 
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          WORK is COMPLEX*16 array, dimension (2*N)\&.
     Workspace\&.
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\fIRWORK\fP 
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          RWORK is DOUBLE PRECISION array, dimension (N)\&.
     Workspace\&.
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.RE
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\fBAuthor\fP
.RS 4
Univ\&. of Tennessee 
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Univ\&. of California Berkeley 
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Univ\&. of Colorado Denver 
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NAG Ltd\&. 
.RE
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Definition at line \fB122\fP of file \fBzla_porcond_x\&.f\fP\&.
.SH "Author"
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Generated automatically by Doxygen for LAPACK from the source code\&.