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Simpler is_odd()/is_even(). (Let the compiler optimize.)

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This commit is contained in:
J. Tyne 2012-08-23 04:55:03 +00:00
parent 1364d77914
commit 265a3fbe83
1 changed files with 2 additions and 5 deletions
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7
src/util.hpp
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@ -28,13 +28,10 @@
#include <sstream>
template<typename T>
inline bool is_odd(T num) {
int n = static_cast< int >(num);
return static_cast< unsigned int >(n >= 0 ? n : -n) & 1;
}
inline bool is_even(T num) { return num % 2 == 0; }
template<typename T>
inline bool is_even(T num) { return !is_odd(num); }
inline bool is_odd(T num) { return !is_even(num); }
/** Guarantees portable results for division by 100; round towards 0 */
inline int div100rounded(int num) {