zlag2c.f (3)  Linux Manuals
NAME
zlag2c.f 
SYNOPSIS
Functions/Subroutines
subroutine zlag2c (M, N, A, LDA, SA, LDSA, INFO)
ZLAG2C converts a complex double precision matrix to a complex single precision matrix.
Function/Subroutine Documentation
subroutine zlag2c (integerM, integerN, complex*16, dimension( lda, * )A, integerLDA, complex, dimension( ldsa, * )SA, integerLDSA, integerINFO)
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.
NN is INTEGER The number of columns of the matrix A. N >= 0.
AA is COMPLEX*16 array, dimension (LDA,N) On entry, the MbyN coefficient matrix A.
LDALDA is INTEGER The leading dimension of the array A. LDA >= max(1,M).
SASA is COMPLEX array, dimension (LDSA,N) On exit, if INFO=0, the MbyN coefficient matrix SA; if INFO>0, the content of SA is unspecified.
LDSALDSA is INTEGER The leading dimension of the array SA. LDSA >= max(1,M).
INFOINFO 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.
Author
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