SDTCommon.h

#ifndef SDT_COMMON_H
#define SDT_COMMON_H

#define SDT_ver          075

#define SDT_ver_str     "075"

#define SDT_PI           3.141592653589793

#define SDT_TWOPI        6.283185307179586

#define SDT_EULER        2.718281828459045

#define SDT_SQRT2        1.4142135623730951

#define SDT_MACH1      340.29

#define SDT_EARTH        9.81

#define SDT_MICRO        0.000001

#define SDT_QUIET         0.00003

extern double SDT_sampleRate;

extern double SDT_timeStep;

extern void SDT_setSampleRate(double sampleRate);

unsigned int SDT_bitReverse(unsigned int u, unsigned int bits);

extern long SDT_clip(long x, long min, long max);

extern double SDT_expRand(double lambda);

extern double SDT_fclip(double x, double min, double max);

extern double SDT_frand();

extern double SDT_gravity(double mass);

extern void SDT_hanning(double *sig, int n);

extern void SDT_haar(double *sig, long n);

extern void SDT_ihaar(double *sig, long n);

extern double SDT_kinetic(double mass, double velocity);

extern unsigned int SDT_nextPow2(unsigned int u);

extern double SDT_normalize(double x, double min, double max);

extern void SDT_normalizeWindow(double *sig, int n);

extern double SDT_samplesInAir(double length);

extern double SDT_scale(double x, double srcMin, double srcMax,
                        double dstMin, double dstMax, double gamma);

extern int SDT_signum(double x);

#endif