You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
73 lines
2.5 KiB
Fortran
73 lines
2.5 KiB
Fortran
C
|
|
C Parallel Sparse BLAS version 2.2
|
|
C (C) Copyright 2006/2007/2008
|
|
C Salvatore Filippone University of Rome Tor Vergata
|
|
C Alfredo Buttari University of Rome Tor Vergata
|
|
C
|
|
C Redistribution and use in source and binary forms, with or without
|
|
C modification, are permitted provided that the following conditions
|
|
C are met:
|
|
C 1. Redistributions of source code must retain the above copyright
|
|
C notice, this list of conditions and the following disclaimer.
|
|
C 2. Redistributions in binary form must reproduce the above copyright
|
|
C notice, this list of conditions, and the following disclaimer in the
|
|
C documentation and/or other materials provided with the distribution.
|
|
C 3. The name of the PSBLAS group or the names of its contributors may
|
|
C not be used to endorse or promote products derived from this
|
|
C software without specific written permission.
|
|
C
|
|
C THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
C ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
|
|
C TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
|
C PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE PSBLAS GROUP OR ITS CONTRIBUTORS
|
|
C BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
C CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
C SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
C INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
C CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
C ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
C POSSIBILITY OF SUCH DAMAGE.
|
|
C
|
|
C
|
|
SUBROUTINE GEN_BLOCK(M,NG,IA,AUX)
|
|
use psb_const_mod
|
|
use psb_serial_mod
|
|
IMPLICIT NONE
|
|
|
|
INTEGER M, NG
|
|
INTEGER IA(3,*), AUX(*)
|
|
|
|
INTEGER BLOCK, I, N_ROWS
|
|
|
|
N_ROWS = IA(1,2) - IA(1,1)
|
|
I = 2
|
|
BLOCK = 2
|
|
AUX(1) = 1
|
|
|
|
DO WHILE(.TRUE.)
|
|
IF (N_ROWS.GT.PSB_MAXJDROWS_) THEN
|
|
AUX(BLOCK) = AUX(BLOCK-1)+PSB_MAXJDROWS_
|
|
N_ROWS = N_ROWS-PSB_MAXJDROWS_
|
|
BLOCK = BLOCK+1
|
|
ELSE IF (N_ROWS.GT.0) THEN
|
|
AUX(BLOCK) = AUX(BLOCK-1)+N_ROWS
|
|
N_ROWS = 0
|
|
BLOCK = BLOCK+1
|
|
ELSE IF (I.LE.NG) THEN
|
|
N_ROWS = IA(1,I+1) - IA(1,I)
|
|
I = I+1
|
|
ELSE
|
|
GOTO 998
|
|
ENDIF
|
|
ENDDO
|
|
998 CONTINUE
|
|
|
|
C ... Copy AUX in IA(1,*)
|
|
|
|
NG = BLOCK - 2
|
|
DO I = 1, NG+1
|
|
IA(1,I) = AUX(I)
|
|
ENDDO
|
|
|
|
END
|