--- rpl/lapack/lapack/zlag2c.f	2010/08/13 21:04:08	1.6
+++ rpl/lapack/lapack/zlag2c.f	2023/08/07 08:39:29	1.19
@@ -1,11 +1,114 @@
+*> \brief \b ZLAG2C converts a complex double precision matrix to a complex single precision matrix.
+*
+*  =========== DOCUMENTATION ===========
+*
+* Online html documentation available at
+*            http://www.netlib.org/lapack/explore-html/
+*
+*> \htmlonly
+*> Download ZLAG2C + dependencies
+*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.tgz?format=tgz&filename=/lapack/lapack_routine/zlag2c.f">
+*> [TGZ]</a>
+*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.zip?format=zip&filename=/lapack/lapack_routine/zlag2c.f">
+*> [ZIP]</a>
+*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.txt?format=txt&filename=/lapack/lapack_routine/zlag2c.f">
+*> [TXT]</a>
+*> \endhtmlonly
+*
+*  Definition:
+*  ===========
+*
+*       SUBROUTINE ZLAG2C( M, N, A, LDA, SA, LDSA, INFO )
+*
+*       .. Scalar Arguments ..
+*       INTEGER            INFO, LDA, LDSA, M, N
+*       ..
+*       .. Array Arguments ..
+*       COMPLEX            SA( LDSA, * )
+*       COMPLEX*16         A( LDA, * )
+*       ..
+*
+*
+*> \par Purpose:
+*  =============
+*>
+*> \verbatim
+*>
+*> 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 conversion is aborted and a flag is raised.
+*>
+*> This is an auxiliary routine so there is no argument checking.
+*> \endverbatim
+*
+*  Arguments:
+*  ==========
+*
+*> \param[in] M
+*> \verbatim
+*>          M is INTEGER
+*>          The number of lines of the matrix A.  M >= 0.
+*> \endverbatim
+*>
+*> \param[in] N
+*> \verbatim
+*>          N is INTEGER
+*>          The number of columns of the matrix A.  N >= 0.
+*> \endverbatim
+*>
+*> \param[in] A
+*> \verbatim
+*>          A is COMPLEX*16 array, dimension (LDA,N)
+*>          On entry, the M-by-N coefficient matrix A.
+*> \endverbatim
+*>
+*> \param[in] LDA
+*> \verbatim
+*>          LDA is INTEGER
+*>          The leading dimension of the array A.  LDA >= max(1,M).
+*> \endverbatim
+*>
+*> \param[out] SA
+*> \verbatim
+*>          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.
+*> \endverbatim
+*>
+*> \param[in] LDSA
+*> \verbatim
+*>          LDSA is INTEGER
+*>          The leading dimension of the array SA.  LDSA >= max(1,M).
+*> \endverbatim
+*>
+*> \param[out] INFO
+*> \verbatim
+*>          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.
+*> \endverbatim
+*
+*  Authors:
+*  ========
+*
+*> \author Univ. of Tennessee
+*> \author Univ. of California Berkeley
+*> \author Univ. of Colorado Denver
+*> \author NAG Ltd.
+*
+*> \ingroup complex16OTHERauxiliary
+*
+*  =====================================================================
       SUBROUTINE ZLAG2C( M, N, A, LDA, SA, LDSA, INFO )
 *
-*  -- LAPACK PROTOTYPE auxiliary routine (version 3.1.2) --
+*  -- LAPACK auxiliary routine --
 *  -- LAPACK is a software package provided by Univ. of Tennessee,    --
 *  -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..--
-*     August 2007
 *
-*     ..
 *     .. Scalar Arguments ..
       INTEGER            INFO, LDA, LDSA, M, N
 *     ..
@@ -14,53 +117,14 @@
       COMPLEX*16         A( LDA, * )
 *     ..
 *
-*  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.
-*
-*  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) COMPLEX*16 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) 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    (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
-*                PRECISION overflow threshold, in this case, the content
-*                of SA in exit is unspecified.
-*
-*  =========
+*  =====================================================================
 *
 *     .. Local Scalars ..
       INTEGER            I, J
       DOUBLE PRECISION   RMAX
 *     ..
 *     .. Intrinsic Functions ..
-      INTRINSIC          DBLE, DIMAG
+      INTRINSIC          DBLE, DIMAG, CMPLX
 *     ..
 *     .. External Functions ..
       REAL               SLAMCH
@@ -72,13 +136,13 @@
       DO 20 J = 1, N
          DO 10 I = 1, M
             IF( ( DBLE( A( I, J ) ).LT.-RMAX ) .OR.
-     +          ( DBLE( A( I, J ) ).GT.RMAX ) .OR.
-     +          ( DIMAG( A( I, J ) ).LT.-RMAX ) .OR.
-     +          ( DIMAG( A( I, J ) ).GT.RMAX ) ) THEN
+     $          ( DBLE( A( I, J ) ).GT.RMAX ) .OR.
+     $          ( DIMAG( A( I, J ) ).LT.-RMAX ) .OR.
+     $          ( DIMAG( A( I, J ) ).GT.RMAX ) ) THEN
                INFO = 1
                GO TO 30
             END IF
-            SA( I, J ) = A( I, J )
+            SA( I, J ) = CMPLX( A( I, J ) )
    10    CONTINUE
    20 CONTINUE
       INFO = 0