src/test_spmv.cc
double wall_time (void) {
  struct timeval t;
  gettimeofday(&t, NULL);
  return 1.0*t.tv_sec + 1.0e-6*t.tv_usec;
}
//Return time time of day as a double-precision floating point value.
Return time time of day as a double-precision floating point value.
Return time time of day as a double - precision floating point value .
double wall_time (void) {
  struct timeval t;
  gettimeofday(&t, NULL);
  return 1.0*t.tv_sec + 1.0e-6*t.tv_usec;
}
double wall_time ( void ) { struct timeval t ; gettimeofday ( & t , NULL ) ; return 1.0 * t . tv_sec + 1.0e-6 * t . tv_usec ; }
Return time time of day as a double-precision floating point value.
Return time time of day as a double - precision floating point value .