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zlat2c.f(3) LAPACK zlat2c.f(3)

zlat2c.f -


subroutine zlat2c (UPLO, N, A, LDA, SA, LDSA, INFO)
 
ZLAT2C converts a double complex triangular matrix to a complex triangular matrix.

ZLAT2C converts a double complex triangular matrix to a complex triangular matrix.
Purpose:
 ZLAT2C converts a COMPLEX*16 triangular matrix, SA, to a COMPLEX
 triangular matrix, A.
RMAX is the overflow for the SINGLE PRECISION arithmetic ZLAT2C checks that all the entries of A are between -RMAX and RMAX. If not the convertion is aborted and a flag is raised.
This is an auxiliary routine so there is no argument checking.
Parameters:
UPLO
          UPLO is CHARACTER*1
          = 'U':  A is upper triangular;
          = 'L':  A is lower triangular.
N
          N is INTEGER
          The number of rows and columns of the matrix A.  N >= 0.
A
          A is COMPLEX*16 array, dimension (LDA,N)
          On entry, the N-by-N triangular coefficient matrix A.
LDA
          LDA is INTEGER
          The leading dimension of the array A.  LDA >= max(1,N).
SA
          SA is COMPLEX array, dimension (LDSA,N)
          Only the UPLO part of SA is referenced.  On exit, if INFO=0,
          the N-by-N coefficient matrix SA; if INFO>0, the content of
          the UPLO part of SA is unspecified.
LDSA
          LDSA is INTEGER
          The leading dimension of the array SA.  LDSA >= max(1,M).
INFO
          INFO is INTEGER
          = 0:  successful exit.
          = 1:  an entry of the matrix A is greater than the SINGLE
                PRECISION overflow threshold, in this case, the content
                of the UPLO part of SA in exit is unspecified.
Author:
Univ. of Tennessee
Univ. of California Berkeley
Univ. of Colorado Denver
NAG Ltd.
Date:
September 2012
Definition at line 112 of file zlat2c.f.

Generated automatically by Doxygen for LAPACK from the source code.
Sat Nov 16 2013 Version 3.4.2

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