NAME¶

SLAG2D - converts a SINGLE PRECISION matrix, SA, to a DOUBLE PRECISION matrix, A

SYNOPSIS¶

SUBROUTINE SLAG2D(

M, N, SA, LDSA, A, LDA, INFO )

INTEGER INFO, LDA, LDSA, M, N REAL SA( LDSA, * ) DOUBLE PRECISION A( LDA, * )

PURPOSE¶

SLAG2D converts a SINGLE PRECISION matrix, SA, to a DOUBLE PRECISION 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.

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.

SA (input) REAL array, dimension (LDSA,N)

On entry, the M-by-N coefficient matrix SA.

LDSA (input) INTEGER

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

A (output) DOUBLE PRECISION array, dimension (LDA,N)

On exit, the M-by-N coefficient matrix A.

LDA (input) INTEGER

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

INFO (output) INTEGER

= 0: successful exit ========= End of SLAG2D