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  3. lapack
  4. SLAG2D(3)

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slag2d.f(3) LAPACK slag2d.f(3)

NAME

slag2d.f -

SYNOPSIS

Functions/Subroutines


subroutine slag2d (M, N, SA, LDSA, A, LDA, INFO)
SLAG2D converts a single precision matrix to a double precision matrix.

Function/Subroutine Documentation

subroutine slag2d (integerM, integerN, real, dimension( ldsa, * )SA, integerLDSA, double precision, dimension( lda, * )A, integerLDA, integerINFO)

SLAG2D converts a single precision matrix to a double precision matrix.

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.

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 REAL 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 DOUBLE PRECISION 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 105 of file slag2d.f.

Author

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Tue Sep 25 2012 Version 3.4.2