--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/sp_sfrm.h	Fri Jun 14 23:27:16 2024 +0000
@@ -0,0 +1,65 @@
+#ifndef __SP_SFRM
+#define __SP_SFRM
+
+#include "typedefs.h"
+
+/*_________________________________________________________________________
+ |                                                                         |
+ |                           Function Prototypes                           |
+ |_________________________________________________________________________|
+*/
+
+Shortword g_corr2(Shortword *pswIn, Shortword *pswIn2,
+                         Longword *pL_out);
+
+int    closedLoopLagSearch(Shortword pswLagList[],
+                                  int iNumLags,
+                                  Shortword pswLtpState[],
+                                  Shortword pswHCoefs[],
+                                  Shortword pswPVect[],
+                                  Shortword *pswLag,
+                                  Shortword *pswLtpShift);
+
+  void   decorr(int iNumVects,
+                       Shortword pswGivenVect[],
+                       Shortword pswVects[]);
+
+  Shortword g_quant_vl(Shortword swUVCode,
+                              Shortword pswWInput[],
+                              Shortword swWIShift,
+                              Shortword pswWLTPVec[],
+                              Shortword pswWVSVec1[],
+                              Shortword pswWVSVec2[],
+                              struct NormSw snsRs00,
+                              struct NormSw snsRs11,
+                              struct NormSw snsRs22);
+
+  void   gainTweak(struct NormSw *psErrorTerm);
+
+  void   hnwFilt(Shortword pswInSample[],
+                        Shortword pswOutSample[],
+                        Shortword pswState[],
+                        Shortword pswInCoef[],
+                        int iStateOffset,
+                        Shortword swZeroState,
+                        int iNumSamples);
+
+  void   sfrmAnalysis(Shortword *pswWSpeech,
+                             Shortword swVoicingMode,
+                             struct NormSw snsSqrtRs,
+                             Shortword *pswHCoefs,
+                             Shortword *pswLagList,
+                             short siNumLags,
+                             Shortword swPitch,
+                             Shortword swHNWCoef,
+                             short *psiLagCode,
+                             short *psiVSCode1,
+                             short *psiVSCode2,
+                             short *psiGsp0Code,
+                             Shortword swSP);
+
+  Shortword v_srch(Shortword pswWInput[],
+                          Shortword pswWBasisVecs[],
+                          short int siNumBasis);
+
+#endif