www.pudn.com > Audio1.rar > SPHypothesis.cpp

// SPHypothesis.cpp: implementation of the CSPHypothesis class. 
// 
////////////////////////////////////////////////////////////////////// 
#include"stdafx.h" 
#include "SPHypothesis.h" 
 
#ifdef _DEBUG 
#undef THIS_FILE 
static char THIS_FILE[]=__FILE__; 
#define new DEBUG_NEW 
#endif 
 
////////////////////////////////////////////////////////////////////// 
// Construction/Destruction 
////////////////////////////////////////////////////////////////////// 
 
CSPHypothesis::CSPHypothesis() 
{ 
 
} 
 
CSPHypothesis::~CSPHypothesis() 
{ 
 
} 
 
 
double CSPHypothesis::Predict(double * in_Sample) 
{   
  for (int i = 0; i < m_vDims.size(); i++) 
  { 
    if(!(m_vSignums[i] * in_Sample[m_vDims[i]] > m_vSignums[i] * m_vThresholds[i])) 
      return 0; 
  } 
  return 1; 
} 
 
 
void CSPHypothesis::PredictVector(double **in_vSamples, int in_iTotalSamples, double *out_vPredictions) 
{ 
  for(int n = 0; n < in_iTotalSamples; n++) 
  { 
    out_vPredictions[n] = Predict(in_vSamples[n]); 
  } 
 
} 
 
bool CSPHypothesis::LoadFromFile(FILE* in_File) 
{ 
  int N; 
  if(!fscanf(in_File, "%d", &N)) 
    return false; 
 
  m_vThresholds.resize(N); 
  m_vSignums.resize(N); 
  m_vDims.resize(N); 
 
  for (int i = 0; i < N; i++) 
  { 
    float DimBuffer, 
          ThreshBuff, 
          SignumBuff; 
    if(!fscanf(in_File, "%f %f %f", &DimBuffer, &ThreshBuff, &SignumBuff)) 
      return false; 
    m_vDims[i] = (int) DimBuffer - 1; 
    m_vThresholds[i] = ThreshBuff; 
    m_vSignums[i] = SignumBuff; 
  } 
 
  return true; 
} 
 
bool CSPHypothesis::LoadFromString(const char* Data) 
{ 
  int N; 
  if(!sscanf(Data, "%d", &N)) 
    return false; 
 
  m_vThresholds.resize(N); 
  m_vSignums.resize(N); 
  m_vDims.resize(N); 
 
  for (int i = 0; i < N; i++) 
  { 
    float DimBuffer, 
          ThreshBuff, 
          SignumBuff; 
    if(!sscanf(Data, "%f %f %f", &DimBuffer, &ThreshBuff, &SignumBuff)) 
      return false; 
    m_vDims[i] = (int) DimBuffer - 1; 
    m_vThresholds[i] = ThreshBuff; 
    m_vSignums[i] = SignumBuff; 
  } 
 
  return true; 
}