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Code Releases Activity

FPE's on macos set up

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This commit is contained in:
paboyle 2016-09-26 09:36:14 +01:00
parent 7422953e36
commit 296396646d
2 changed files with 23 additions and 17 deletions
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39
lib/Init.cc
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@ -46,23 +46,10 @@ Author: paboyle <paboyle@ph.ed.ac.uk>
#include <iterator> #include <iterator>
#include <cstdlib> #include <cstdlib>
#include <memory> #include <memory>
#include <cxxabi.h>
namespace Grid { namespace Grid {
std::string demangle(const char* name) {
int status = -4; // some arbitrary value to eliminate the compiler warning
// enable c++11 by passing the flag -std=c++11 to g++
std::unique_ptr<char, void(*)(void*)> res {
abi::__cxa_demangle(name, NULL, NULL, &status),
std::free
};
return (status==0) ? res.get() : name ;
}
////////////////////////////////////////////////////// //////////////////////////////////////////////////////
// Convenience functions to access stadard command line arg // Convenience functions to access stadard command line arg
@ -343,10 +330,30 @@ void Grid_sa_signal_handler(int sig,siginfo_t *si,void * ptr)
exit(0); exit(0);
return; return;
}; };
#ifdef GRID_FPE
#define _GNU_SOURCE #define _GNU_SOURCE
#include <fenv.h> #include <fenv.h>
#ifdef __APPLE__
static int
feenableexcept (unsigned int excepts)
{
static fenv_t fenv;
unsigned int new_excepts = excepts & FE_ALL_EXCEPT,
old_excepts; // previous masks
if ( fegetenv (&fenv) ) return -1;
old_excepts = fenv.__control & FE_ALL_EXCEPT;
// unmask
fenv.__control &= ~new_excepts;
fenv.__mxcsr &= ~(new_excepts << 7);
return ( fesetenv (&fenv) ? -1 : old_excepts );
}
#endif #endif
void Grid_debug_handler_init(void) void Grid_debug_handler_init(void)
{ {
struct sigaction sa,osa; struct sigaction sa,osa;
@ -355,9 +362,9 @@ void Grid_debug_handler_init(void)
sa.sa_flags = SA_SIGINFO; sa.sa_flags = SA_SIGINFO;
sigaction(SIGSEGV,&sa,NULL); sigaction(SIGSEGV,&sa,NULL);
sigaction(SIGTRAP,&sa,NULL); sigaction(SIGTRAP,&sa,NULL);
#ifdef GRID_FPE
feenableexcept( FE_INVALID|FE_OVERFLOW|FE_DIVBYZERO); feenableexcept( FE_INVALID|FE_OVERFLOW|FE_DIVBYZERO);
sigaction(SIGFPE,&sa,NULL); sigaction(SIGFPE,&sa,NULL);
#endif
} }
} }

1
lib/Init.h
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@ -52,7 +52,6 @@ namespace Grid {
void GridCmdOptionCSL(std::string str,std::vector<std::string> & vec); void GridCmdOptionCSL(std::string str,std::vector<std::string> & vec);
void GridCmdOptionIntVector(std::string &str,std::vector<int> & vec); void GridCmdOptionIntVector(std::string &str,std::vector<int> & vec);
std::string demangle(const char* name) ;
void GridParseLayout(char **argv,int argc, void GridParseLayout(char **argv,int argc,
std::vector<int> &latt, std::vector<int> &latt,