LA_library/laerror.cc
2010-06-25 15:28:19 +00:00

106 lines
2.6 KiB
C++

/*
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/>.
*/
// LA and general error handler
#include <iostream>
#include "laerror.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <stdarg.h>
#include "cuda_la.h"
#ifdef USE_TRACEBACK
#include "traceback.h"
#endif
namespace LA {
//enforce GPU initialization by a global class instantization constructor
#ifdef CUDALA
GPU_START gpu_start_instant;
#endif
bool _LA_count_check=true;
extern "C" void _findme(void) {}; //for autoconf test we need a function with C linkage
void laerror(const char *s1)
{
std::cerr << "LA:ERROR - ";
std::cout << "LA:ERROR - ";
if(s1)
{
std::cerr << s1 << "\n";
std::cout << s1 << "\n";
}
#ifdef CUDALA
{
cublasStatus s=cublasGetError();
std::cerr << "CUBLAS status = "<<s<<std::endl;
std::cout << "CUBLAS status = "<<s<<std::endl;
}
#endif
if(errno) perror("system error");
throw LAerror(s1);
}
//stub for f77 blas called from strassen routine
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);
}
//with atlas-cblas another error routine is necessary
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);
}
int cblas_errprn(int ierr, int info, char *form, ...)
{
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;
}
}//namespace