LA_library/laerror.cc

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/*
LA: linear algebra C++ interface library
Copyright (C) 2008 Jiri Pittner <jiri.pittner@jh-inst.cas.cz> or <jiri@pittnerovi.com>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
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// LA and general error handler
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#include <iostream>
#include "laerror.h"
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#include <stdio.h>
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#include <stdlib.h>
#include <string.h>
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#include <errno.h>
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#include <stdarg.h>
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#include "cuda_la.h"
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#ifdef USE_TRACEBACK
#include "traceback.h"
#endif
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namespace LA {
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//enforce GPU initialization by a global class instantization constructor
#ifdef CUDALA
GPU_START gpu_start_instant;
#endif
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bool _LA_count_check=true;
extern "C" void _findme(void) {}; //for autoconf test we need a function with C linkage
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void laerror2(const char *s1, const char *s2)
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{
std::cerr << "LA:ERROR - ";
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std::cout << "LA:ERROR - ";
if(s1)
{
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std::cerr << s2 << ": " << s1 << "\n";
std::cout << s2 << ": " << s1 << "\n";
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}
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#ifdef CUDALA
{
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cublasStatus s = cublasGetError();
std::cerr << "CUBLAS status = " << s << std::endl;
std::cout << "CUBLAS status = " << s << std::endl;
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}
#endif
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if(errno) perror("system error");
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throw LAerror(s1);
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}
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//stub for f77 blas called from strassen routine
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extern "C" void xerbla_(const char name[6], int *n){
char msg[1024];
strcpy(msg,"LAPACK or BLAS error in routine ");
strncat(msg,name,6);
sprintf(msg+strlen(msg),": illegal value of parameter #%d",*n);
laerror(msg);
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}
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//with atlas-cblas another error routine is necessary
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extern "C" void ATL_xerbla(int p, char *rout, char *form, ...){
char msg0[1024], *msg;
va_list argptr;
va_start(argptr, form);
strcpy(msg0,"ATLAS error\n");
msg=msg0+strlen(msg0);
if (p) {sprintf(msg, "Parameter %d to routine %s was incorrect\n", p, rout); msg+=strlen(msg);}
vsprintf(msg, form, argptr);
va_end(argptr);
laerror(msg0);
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}
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#ifndef NONCBLAS
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extern "C" {
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#include "cblas.h"
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}
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#include <stdarg.h>
extern "C" void cblas_xerbla(int p, const char *rout, const char *form, ...)
{
va_list argptr;
va_start(argptr, form);
if (p)
{
fprintf(stdout, "Parameter %d to routine %s was incorrect\n", p, rout);
fprintf(stderr, "Parameter %d to routine %s was incorrect\n", p, rout);
}
vfprintf(stdout, form, argptr);
vfprintf(stderr, form, argptr);
va_end(argptr);
laerror("terminating in cblas_xerbla");
}
extern "C" int cblas_errprn(int ierr, int info, char *form, ...) {
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char msg0[1024], *msg;
va_list argptr;
va_start(argptr, form);
sprintf(msg0,"CBLAS error %d %d\n",ierr,info);
msg=msg0+strlen(msg0);
vsprintf(msg, form, argptr);
va_end(argptr);
laerror(msg0);
return 0;
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}
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#endif
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}//namespace