r127: *** empty log message ***

[ctsim.git] / include / filter.h

diff --git a/include/filter.h b/include/filter.h
index 19266a0edbce9e909d39bb127436f7de8a86fa68..5f5789b6fa2e857d1271ff042f4f8414b6adbb44 100644 (file)
--- a/include/filter.h
+++ b/include/filter.h
@@ -9,7 +9,7 @@
 **  This is part of the CTSim program
 **  Copyright (C) 1983-2000 Kevin Rosenberg
 **
-**  $Id: filter.h,v 1.5 2000/06/30 02:03:27 kevin Exp $
+**  $Id: filter.h,v 1.6 2000/07/02 18:21:39 kevin Exp $
 **
 **  This program is free software; you can redistribute it and/or modify
 **  it under the terms of the GNU General Public License (version 2) as
@@ -83,9 +83,9 @@ class SignalFilter {
     static const char DOMAIN_SPATIAL_STR[]= "spatial";
 
 
-    SignalFilter (const char* filterName, double bw, double xmin, double xmax, int n, double param, const char* domainName, const int numIntegral = 0);
+    SignalFilter (const char* filterName, const char* filterMethodName,double bw, double signalLength, int n, double param, const char* domainName, const int numIntegral = 0);
 
-    SignalFilter (const FilterID filt_type, double bw, double xmin, double xmax, int n, double param, const DomainID domain, const int numIntegral = 0);
+    SignalFilter (const FilterID filt_type, FilterMethodID filterMethodID, double bw, double signalLength, int n, double param, const DomainID domain, const int numIntegral = 0);
 
     SignalFilter (const char* filterName, const char* domainName, double bw, double param, int numIntegral = 0);
 
@@ -94,10 +94,20 @@ class SignalFilter {
     double* getFilter (void) const
       { return m_vecFilter; }
 
+    int getNFilterPoints (void) const
+       { return m_nFilterPoints; }
+
     double convolve (const double f[], const double dx, const int n, const int np) const;
 
     double convolve (const float f[], const double dx, const int n, const int np) const;
 
+    void filterSignal (const double input[], double output[], double dx, const int n) const;
+    void filterSignal (const float input[], double output[], double dx, const int n) const;
+
+    static void finiteFourierTransform (const double input[], complex<double> output[], const int n, const int direction);
+
+    void finiteFourierTransform (const double input[], complex<double> output[], const int direction) const;
+
     bool fail(void) const      {return m_fail;}
     const string& failMessage(void) const {return m_failMessage;}
 
@@ -118,10 +128,15 @@ class SignalFilter {
 
  private:
     double m_bw;
-    int m_nPoints;
+    int m_nFilterPoints;
+    int m_nSignalPoints;
+    double m_signalLength;
     double m_xmin;
     double m_xmax;
     double* m_vecFilter;
+    double* m_vecFourierCosTable;
+    double* m_vecFourierSinTable;
+
     bool m_fail;
     string m_failMessage;
     string m_nameFilter;
@@ -133,12 +148,14 @@ class SignalFilter {
     double m_filterParam;
     int m_numIntegral;
 
-    static FilterID convertFilterNameToID (const char* filterName);
+    static const FilterID convertFilterNameToID (const char* filterName);
     static const char* convertFilterIDToName (const FilterID filterID);
+    static const FilterMethodID convertFilterMethodNameToID (const char* filterMethodName);
+    static const char* convertFilterMethodIDToName (const FilterMethodID filterMethodID);
     static const DomainID convertDomainNameToID (const char* domainName);
     static const char* convertDomainIDToName (const DomainID domainID);
 
-    void init (const FilterID filt_type, double bw, double xmin, double xmax, int n, double param, const DomainID domain, const int numInt);
+    void init (const FilterID filt_type, const FilterMethodID filterMethod, double bw, double xmin, double xmax, int n, double param, const DomainID domain, const int numInt);
 
 double spatialResponseCalc (double x, double param, int n) const;