dlag2s man page on Scientific

```DLAG2S(1)     LAPACK PROTOTYPE auxiliary routine (version 3.1.2)     DLAG2S(1)

NAME
DLAG2S  - converts a DOUBLE PRECISION matrix, SA, to a SINGLE PRECISION
matrix, A

SYNOPSIS
SUBROUTINE DLAG2S( M, N, A, LDA, SA, LDSA, INFO )

INTEGER	  INFO, LDA, LDSA, M, N

REAL		  SA( LDSA, * )

DOUBLE	  PRECISION A( LDA, * )

PURPOSE
DLAG2S converts a DOUBLE PRECISION matrix, SA, to  a  SINGLE  PRECISION
matrix, A.  RMAX is the overflow for the SINGLE PRECISION arithmetic
DLAG2S  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	auxil‐
iary routine so there is no argument checking.

ARGUMENTS
M       (input) INTEGER
The number of lines of the matrix A.  M >= 0.

N       (input) INTEGER
The number of columns of the matrix A.  N >= 0.

A       (input) DOUBLE PRECISION array, dimension (LDA,N)
On entry, the M-by-N coefficient matrix A.

LDA     (input) INTEGER
The leading dimension of the array A.  LDA >= max(1,M).

SA      (output) REAL 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    (input) INTEGER
The leading dimension of the array SA.  LDSA >= max(1,M).

INFO    (output) INTEGER
= 0:  successful exit.
= 1:  an entry of the matrix A is greater than the SINGLE  PRE‐
CISION  overflow	 threshold, in this case, the content of SA in
exit is unspecified.  ========= End of DLAG2S

LAPACK PROTOTYPE auxiliary routiNovemberi2008.1.2)		     DLAG2S(1)
```
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