make 'a' signed

This commit is contained in:
Krishna Vedala
2020-06-22 16:19:17 -04:00
parent 58d5f3ea11
commit bebb76e557

View File

@@ -53,7 +53,7 @@ class large_number {
/**< initializer from a string */
explicit large_number(char const *number_str) {
for (size_t i = strlen(number_str); i > 0; i--) {
unsigned char a = number_str[i - 1] - '0';
char a = number_str[i - 1] - '0';
if (a >= 0 && a <= 9)
_digits.push_back(a);
}