int main(int argc, char **argv)
{
int hex, w;
uint32_t a, b, c, top;
uint64_t a64, b64, c64;
uint64_t a128[2], b128[2], c128[2];
char *format;
if (argc != 4) usage(NULL);
if (sscanf(argv[3], "%d", &w) == 0) usage("Bad w\n");
if (w <= 0 || (w > 32 && w != 64 && w != 128)) usage("Bad w");
hex = (strchr(argv[3], 'h') != NULL);
if (!hex && w == 128) usage(NULL);
if (w <= 32) {
format = (hex) ? "%x" : "%u";
if (sscanf(argv[1], format, &a) == 0) usage("Bad a\n");
if (sscanf(argv[2], format, &b) == 0) usage("Bad b\n");
if (w < 32) {
top = (w == 31) ? 0x80000000 : (1 << w);
if (w != 32 && a >= top) usage("a is too large\n");
if (w != 32 && b >= top) usage("b is too large\n");
}
c = a ^ b;
printf(format, c);
printf("\n");
} else if (w == 64) {
format = (hex) ? "%llx" : "%llu";
if (sscanf(argv[1], format, &a64) == 0) usage("Bad a\n");
if (sscanf(argv[2], format, &b64) == 0) usage("Bad b\n");
c64 = a64 ^ b64;
printf(format, c64);
printf("\n");
} else if (w == 128) {
if (read_128(argv[1], a128) == 0) usage("Bad a\n");
if (read_128(argv[2], b128) == 0) usage("Bad b\n");
c128[0] = a128[0] ^ b128[0];
c128[1] = a128[1] ^ b128[1];
print_128(c128);
}
exit(0);
}
// Read those entries which define body elements
bool
InputIges::readBodyElements()
{
//-Go to the start position of the parameter (= data) section.
infile.seekg(paramSecStart - infile.tellg(), ios::cur);
paramSecLine = 1;
// Loop through directory entries
IgesDirectory::iterator pos = directory->begin();
while (pos != directory->end()) {
IgesDirectoryEntry* de = (*pos++).second;
// If this entry is not in the model at all!
if ( de->body == NULL ) {
continue;
}
bool ok;
switch(de->entNbr) {
case 100: ok = read_100(de); break;
case 106: ok = read_106(de); break;
case 110: ok = read_110(de); break;
case 126: ok = read_126(de); break;
case 128: ok = read_128(de); break;
default: ok = true; break;
}
if (!ok) {
return false;
}
}
return true;
}
