Mercurial > hg > x
diff WindowFunctions.h @ 1:6422640a802f
first upload
| author | Wen X <xue.wen@elec.qmul.ac.uk> |
|---|---|
| date | Tue, 05 Oct 2010 10:45:57 +0100 |
| parents | |
| children |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/WindowFunctions.h Tue Oct 05 10:45:57 2010 +0100 @@ -0,0 +1,33 @@ +#ifndef WindowFunctionsH +#define WindowFunctionsH + +/* + WindowFunctions.cpp - implements a few common window functions. +*/ + +enum WindowType +{ + wtRectangle, + wtTriangular, + wtHamming, + wtBlackman, + wtGaussian, + wtKaiser, + wtHalfCosine, + wtHann, + wtHannSqr, + wtHann3sqrt +}; + +//--window function computation routines------------------------------------- +void FillWindow(double* newwindow, WindowType wt, int Count, int* ips=0, double* dps=0); +double* NewWindow(WindowType wt, int Count, int* ips=0, double* dps=0, double* newwindow=0); +double* NewWindow8(WindowType wt, int Count, int* ips=0, double* dps=0, double* newwindow=0); +double* NewdWindow(WindowType wt, int Count, int* ips=0, double* dps=0, double* newdwindow=0); +double* NewddWindow(WindowType wt, int Count, int* ips=0, double* dps=0, double* newddwindow=0); +double* NewdddWindow(WindowType wt, int Count, int* ips=0, double* dps=0, double* newdddwindow=0); + +//--other functions---------------------------------------------------------- +void windowspec(WindowType wt, int N, int* M, double* c, double* iH2, double* d=0); + +#endif