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Much investigation of bignum problems

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bignum multiply is still not working, but as bignum read and bignum divide depend on it, it's the problem to hit first.
This commit is contained in:
Simon Brooke 2019-01-19 16:24:59 +00:00
parent 000ae3c392
commit 0f8bc990f2
9 changed files with 372 additions and 173 deletions
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31
src/debug.c
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@ -46,23 +46,24 @@ void debug_print( wchar_t *message, int level ) {
* stolen from https://stackoverflow.com/questions/11656241/how-to-print-uint128-t-number-using-gcc
*/
void debug_print_128bit( __int128_t n, int level ) {
#ifdef DEBUG
if ( level & verbosity ) {
if (n == 0) {
fwprintf(stderr, L"0");
} else {
char str[40] = {0}; // log10(1 << 128) + '\0'
char *s = str + sizeof(str) - 1; // start at the end
while (n != 0) {
if (s == str) return; // never happens
#ifdef DEBUG
if ( level & verbosity ) {
if ( n == 0 ) {
fwprintf( stderr, L"0" );
} else {
char str[40] = { 0 }; // log10(1 << 128) + '\0'
char *s = str + sizeof( str ) - 1; // start at the end
while ( n != 0 ) {
if ( s == str )
return; // never happens
*--s = "0123456789"[n % 10]; // save last digit
n /= 10; // drop it
}
fwprintf(stderr, L"%s", s);
*--s = "0123456789"[n % 10]; // save last digit
n /= 10; // drop it
}
fwprintf( stderr, L"%s", s );
}
}
}
#endif
#endif
}
/**