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 C ... Compute infinity norm for sparse matrix in CSR Format ... real(psb_dpk_) FUNCTION DJDNRMI(TRANS,M,N,DESCRA,A,JA,IA, + INFOA,IERROR) use psb_const_mod IMPLICIT NONE C .. Scalar Arguments .. INTEGER M,N, IERROR CHARACTER TRANS C .. Array Arguments .. INTEGER JA(*),IA(*),INFOA(*) CHARACTER DESCRA*11 real(psb_dpk_) A(*) C .. Local scalars .. INTEGER PNG, PIA, PJA C .. External routines .. real(psb_dpk_) DJADNR EXTERNAL DJADNR IERROR=0 PNG = IA(1) PIA = IA(2) PJA = IA(3) djdnrmi = 0.d0 IF (DESCRA(1:1).EQ.'G') THEN DJDNRMI = DJADNR(TRANS,M,N,IA(PNG), + A,JA,IA(PJA),IA(PIA), + INFOA,IERROR) ENDIF END