-#define PI (M_PI)
-#define TWO_PI (PI*2.)
-
-/* aliases to math.h functions */
-#define EXP expf
-#define COS cosf
-#define SIN sinf
-#define ABS fabsf
-#define POW powf
-#define SQRT sqrtf
-#define LOG10 log10f
-#define LOG logf
-#define FLOOR floorf
-#define TRUNC truncf
-
-/* aliases to complex.h functions */
-#if defined(WIN32)
-/* mingw32 does not know about c*f functions */
-#define EXPC cexp
-/** complex = CEXPC(complex) */
-#define CEXPC cexp
-/** sample = ARGC(complex) */
-#define ARGC carg
-/** sample = ABSC(complex) norm */
-#define ABSC cabs
-/** sample = REAL(complex) */
-#define REAL creal
-/** sample = IMAG(complex) */
-#define IMAG cimag
-#else
-/** sample = EXPC(complex) */
-#define EXPC cexpf
-/** complex = CEXPC(complex) */
-#define CEXPC cexp
-/** sample = ARGC(complex) */
-#define ARGC cargf
-/** sample = ABSC(complex) norm */
-#define ABSC cabsf
-/** sample = REAL(complex) */
-#define REAL crealf
-/** sample = IMAG(complex) */
-#define IMAG cimagf
-#endif
-
-/* handy shortcuts */
-#define DB2LIN(g) (POW(10.0f,(g)*0.05f))
-#define LIN2DB(v) (20.0f*LOG10(v))
-#define SQR(_a) (_a*_a)
-
-#define ELEM_SWAP(a,b) { register smpl_t t=(a);(a)=(b);(b)=t; }
-