along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
+#include <algorithm>
#include <cctype>
#include <iostream>
#include <sstream>
// Our case insensitive less() function as required by UCI protocol
-bool CaseInsensitiveLess::operator() (const string& s1, const string& s2) const {
-
- int c1, c2;
- size_t i = 0;
-
- while (i < s1.size() && i < s2.size())
- {
- c1 = tolower(s1[i]);
- c2 = tolower(s2[i++]);
+static bool ci_less(char c1, char c2) { return tolower(c1) < tolower(c2); }
- if (c1 != c2)
- return c1 < c2;
- }
- return s1.size() < s2.size();
+bool CaseInsensitiveLess::operator() (const string& s1, const string& s2) const {
+ return std::lexicographical_compare(s1.begin(), s1.end(), s2.begin(), s2.end(), ci_less);
}
-// stringify() converts a numeric value of type T to a std::string
-template<typename T>
-static string stringify(const T& v) {
+// An helper to convert an integer value to a std::string
+static string int_to_string(int v) {
std::ostringstream ss;
ss << v;
UCIOption& thr = o["Threads"];
UCIOption& msd = o["Minimum Split Depth"];
- thr.defaultValue = thr.currentValue = stringify(cpu_count());
+ thr.defaultValue = thr.currentValue = int_to_string(cpu_count());
if (cpu_count() >= 8)
- msd.defaultValue = msd.currentValue = stringify(7);
+ msd.defaultValue = msd.currentValue = int_to_string(7);
}
{ defaultValue = currentValue = (def ? "true" : "false"); }
UCIOption::UCIOption(int def, int minv, int maxv) : type("spin"), minValue(minv), maxValue(maxv), idx(Options.size())
-{ defaultValue = currentValue = stringify(def); }
+{ defaultValue = currentValue = int_to_string(def); }
/// set_value() updates currentValue of the Option object. Normally it's up to