#define _FILTER_H 1
#define _USE_MATH_DEFINES
-#include <math.h>
-#include <string.h>
+#include <cmath>
#include <complex>
#ifdef __SSE__
#include <xmmintrin.h>
#endif
-#include "defs.h"
-
-namespace std {
-template <typename _Tp> struct complex;
-} // namespace std
-
enum FilterType
{
FILTER_NONE = 0,