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clag2z.f(3) LAPACK clag2z.f(3)

NAME

clag2z.f -

SYNOPSIS

Functions/Subroutines


subroutine clag2z (M, N, SA, LDSA, A, LDA, INFO)
 
CLAG2Z converts a complex single precision matrix to a complex double precision matrix.

Function/Subroutine Documentation

subroutine clag2z (integerM, integerN, complex, dimension( ldsa, * )SA, integerLDSA, complex*16, dimension( lda, * )A, integerLDA, integerINFO)

CLAG2Z converts a complex single precision matrix to a complex double precision matrix.
Purpose:
 CLAG2Z converts a COMPLEX matrix, SA, to a COMPLEX*16 matrix, A.
Note that while it is possible to overflow while converting from double to single, it is not possible to overflow when converting from single to double.
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.
SA
          SA is COMPLEX array, dimension (LDSA,N)
          On entry, the M-by-N coefficient matrix SA.
LDSA
          LDSA is INTEGER
          The leading dimension of the array SA.  LDSA >= max(1,M).
A
          A is COMPLEX*16 array, dimension (LDA,N)
          On exit, the M-by-N coefficient matrix A.
LDA
          LDA is INTEGER
          The leading dimension of the array A.  LDA >= max(1,M).
INFO
          INFO is INTEGER
          = 0:  successful exit
Author:
Univ. of Tennessee
Univ. of California Berkeley
Univ. of Colorado Denver
NAG Ltd.
Date:
September 2012
Definition at line 104 of file clag2z.f.

Author

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