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zlag2c.f(3) LAPACK zlag2c.f(3)

zlag2c.f -


subroutine zlag2c (M, N, A, LDA, SA, LDSA, INFO)
 
ZLAG2C converts a complex double precision matrix to a complex single precision matrix.

ZLAG2C converts a complex double precision matrix to a complex single precision matrix.
Purpose:
 ZLAG2C converts a COMPLEX*16 matrix, SA, to a COMPLEX matrix, A.
RMAX is the overflow for the SINGLE PRECISION arithmetic ZLAG2C 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:
M
          M is INTEGER
          The number of lines of the matrix A.  M >= 0.
N
          N is INTEGER
          The number of columns of the matrix A.  N >= 0.
A
          A is COMPLEX*16 array, dimension (LDA,N)
          On entry, the M-by-N coefficient matrix A.
LDA
          LDA is INTEGER
          The leading dimension of the array A.  LDA >= max(1,M).
SA
          SA is COMPLEX array, dimension (LDSA,N)
          On exit, if INFO=0, the M-by-N coefficient matrix SA; if
          INFO>0, the content 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 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 108 of file zlag2c.f.

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

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