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zlag2c.f(3) | LAPACK | zlag2c.f(3) |
NAME¶
zlag2c.f -SYNOPSIS¶
Functions/Subroutines¶
subroutine zlag2c (M, N, A, LDA, SA, LDSA, INFO)
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.
M
Author:
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.
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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