LA_library/laerror.cc

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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>
#include <errno.h>
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#include <stdarg.h>
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#ifdef USE_TRACEBACK
#include "traceback.h"
#endif
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void laerror(const char *s1)
{
std::cerr << "LA:ERROR - ";
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std::cout << "LA:ERROR - ";
if(s1)
{
std::cerr << s1 << "\n";
std::cout << s1 << "\n";
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}
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if(errno) perror("system error");
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#ifdef USE_TRACEBACK
traceback(1);
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exit(1);
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#else
throw LAerror(s1); //traceback possible via sigtraceback, but BFD library might fail for -O3 code on some machines and source lines would not be available
#endif
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}
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//stub for f77 blas called from strassen routine
extern "C" void xerbla_(const char name[6], int *n)
{
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char msg[1024];
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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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//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;
}