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[求助] VS2013中SVPWM程序求助

我采用VS2013的C语言写了一个程序，但运行时总说有问题，程序如下，加粗的地方为出现问题的地方，请求各位大神帮助
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace SVPWMDll
{
public class svpwm
{
      void SVPWM_CalcDutyCycles(alfa,beta)
{
  float T_vector_SQRT3; T_vector_SQRT3=1.73F;
  int T_vector; T_vector=4400;
  int SECTOR_1, SECTOR_2, SECTOR_3, SECTOR_4, SECTOR_5, SECTOR_6;
  SECTOR_1=1; SECTOR_2=2; SECTOR_3=3; SECTOR_4=4; SECTOR_5=5; SECTOR_6=6;
  int bSector;
  bSector=0;
  int wX, wY, wZ, wUAlpha, wUBeta;
  wX=0;
  wY=0;
  wZ=0;
  wUAlpha=0;
  wUBeta=0;
  int hTimePhA, hTimePhB, hTimePhC;
  hTimePhA=0;
  hTimePhB=0;
  hTimePhC=0;
  int T_divisor;
  T_divisor = 131072;
  wUAlpha=alfa*T_vector_SQRT3;
  wUAlpha=alfa*T_vector_SQRT3;

  wX=wUBeta;
  wY=(wUBeta+wUAlpha)/2;
  wZ=(wUBeta-wUAlpha)/2;

  // Sector calculation from wX, wY, wZ
  if (wY<0)
  {
if (wZ<0)
{
   bSector = SECTOR_5;
}
else       // wZ >= 0
   if (wX<=0)
   {
      bSector = SECTOR_4;
   }
   else    // wX > 0
   {
      bSector = SECTOR_3;
   }
  }
  else       // wY > 0
  {
if (wZ>=0)
{
   bSector = SECTOR_2;
}
else       // wZ < 0
   if (wX<=0)
   {
      bSector = SECTOR_6;
   }
   else    // wX > 0
   {
      bSector = SECTOR_1;
   }
  }
  switch(bSector)
  {
  case 1:
hTimePhA = (T_vector/8) + ((((T_vector + wX) - wZ)/2)/T_divisor);
hTimePhB = hTimePhA + wZ/T_divisor;
hTimePhC = hTimePhB - wX/T_divisor;

  case 2:
hTimePhA = (T_vector/8) + ((((T_vector + wY) - wZ)/2)/T_divisor);
hTimePhB = hTimePhA + wZ/T_divisor;
hTimePhC = hTimePhA - wY/T_divisor;

  case 3:
hTimePhA = (T_vector/8) + ((((T_vector - wX) + wY)/2)/T_divisor);
hTimePhC = hTimePhA - wY/T_divisor;
hTimePhB = hTimePhC + wX/T_divisor;

  case 4:
hTimePhA = (T_vector/8) + ((((T_vector+ wX) - wZ)/2)/T_divisor);
hTimePhB = hTimePhA + wZ/T_divisor;
hTimePhC = hTimePhB - wX/T_divisor;

  case 5:
hTimePhA = (T_vector/8) + ((((T_vector + wY) - wZ)/2)/T_divisor);
hTimePhB = hTimePhA + wZ/T_divisor;
hTimePhC = hTimePhA - wY/T_divisor;

  case 6:
hTimePhA = (T_vector/8) + ((((T_vector - wX) + wY)/2)/T_divisor);
hTimePhC = hTimePhA - wY/T_divisor;
hTimePhB = hTimePhC + wX/T_divisor;
break;

  default:
break;
  }

}
}
}

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