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psblas3/base/serial/coo/scoosm.f

116 lines
4.0 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 SCOOSM(TRANST,M,N,UNITD,D,ALPHA,DESCRA,A,IA,JA,INFOA,
* B,LDB,BETA,C,LDC,WORK,LWORK,IERROR)
use psb_error_mod
use psb_const_mod
IMPLICIT NONE
real(psb_spk_) ALPHA, BETA
INTEGER LDB, LDC, LWORK, M, N, IERROR
CHARACTER UNITD, TRANST
real(psb_spk_) A(*), B(LDB,*), C(LDC,*), D(*), WORK(*)
INTEGER IA(*), JA(*), INFOA(*), INT_VAL(5)
CHARACTER DESCRA*11
INTEGER I, K, ERR_ACT
CHARACTER DIAG, UPLO
INTRINSIC DBLE, IDINT
CHARACTER*20 NAME
integer :: debug_level, debug_unit
NAME = 'SCOOSM\0'
IERROR = 0
CALL FCPSB_ERRACTIONSAVE(ERR_ACT)
debug_unit = psb_get_debug_unit()
debug_level = psb_get_debug_level()
IF((ALPHA.NE.1.D0) .OR. (BETA.NE.0.D0))then
IERROR=5
CALL FCPSB_ERRPUSH(IERROR,NAME,INT_VAL)
GOTO 9999
ENDIF
if (debug_level >= psb_debug_serial_comp_)
+ write(debug_unit,*) trim(name),':' ,m,ierror
UPLO = '?'
IF (DESCRA(1:1).EQ.'T' .AND. DESCRA(2:2).EQ.'U') UPLO = 'U'
IF (DESCRA(1:1).EQ.'T' .AND. DESCRA(2:2).EQ.'L') UPLO = 'L'
IF (UPLO.EQ.'?') THEN
IERROR=5
CALL FCPSB_ERRPUSH(IERROR,NAME,INT_VAL)
GOTO 9999
END IF
IF (DESCRA(3:3).EQ.'N') DIAG = 'N'
IF (DESCRA(3:3).EQ.'U') DIAG = 'U'
IF(UNITD.EQ.'B') THEN
IERROR=5
CALL FCPSB_ERRPUSH(IERROR,NAME,INT_VAL)
GOTO 9999
ENDIF
IF (UNITD.EQ.'R') THEN
DO 40 I = 1, N
DO 20 K = 1, M
B(K,I) = B(K,I)*D(K)
20 CONTINUE
40 CONTINUE
END IF
DO 60 I = 1, N
CALL SCOOSV(UPLO,TRANST,DIAG,M,A,IA,JA,INFOA,
+ B(1,I),C(1,I),IERROR)
60 CONTINUE
IF(IERROR.NE.0) THEN
INT_VAL(1)=IERROR
CALL FCPSB_ERRPUSH(4012,NAME,INT_VAL)
GOTO 9999
END IF
IF (UNITD.EQ.'L') THEN
DO 45 I = 1, N
DO 25 K = 1, M
C(K,I) = C(K,I)*D(K)
25 CONTINUE
45 CONTINUE
END IF
CALL FCPSB_ERRACTIONRESTORE(ERR_ACT)
RETURN
9999 CONTINUE
CALL FCPSB_ERRACTIONRESTORE(ERR_ACT)
IF ( ERR_ACT .NE. 0 ) THEN
CALL FCPSB_SERROR()
RETURN
ENDIF
RETURN
END