CIccOpDefSolve Class Reference

Inheritance diagram for CIccOpDefSolve:

Collaboration diagram for CIccOpDefSolve:

Public Member Functions
virtual bool	Exec (SIccCalcOp *op, SIccOpState &os)
Public Member Functions inherited from IIccOpDef
virtual int	ArgsPushed (CIccMpeCalculator *pCalc, SIccCalcOp &op)
virtual int	ArgsUsed (CIccMpeCalculator *pCalc, SIccCalcOp &op)
virtual void	Describe (SIccCalcOp &op, std::string &desc, int nVerboseness)
	IIccOpDef ()
virtual bool	IsValid (CIccMpeCalculator *pCalc, SIccCalcOp &op)
virtual	~IIccOpDef ()

Detailed Description

Definition at line 550 of file IccMpeCalc.cpp.

Member Function Documentation

Exec()

virtual bool CIccOpDefSolve::Exec ( SIccCalcOp * op, SIccOpState & os )

inlinevirtual

Reimplemented from IIccOpDef.

Definition at line 553 of file IccMpeCalc.cpp.

  {
    size_t ss = os.pStack->size();
    int r=op->data.select.v1+1;
    int c=op->data.select.v2+1;
    int nMSize = r*c;
    int nSize = nMSize + c;
 
    if (nSize>(int)ss)
      return false;
 
    if (r>1 && c>1) {
 
      if (os.pScratch->size()<(size_t)c)
        os.pScratch->resize(c);
      
      icFloatNumber *ptrStack = &(*os.pStack)[ss-nSize];
      icFloatNumber *x = &(*os.pScratch)[0];
      icFloatNumber *mtx = ptrStack;
      icFloatNumber *y = &ptrStack[nMSize];
 
      bool bResult = false;
 
      if (g_pIccMatrixSolver) {
        bResult = g_pIccMatrixSolver->Solve(x, mtx, y, r, c);
      }
      if (bResult) {
        memcpy(ptrStack, x, c*sizeof(icFloatNumber));
        ptrStack[c] = 1.0;
      }
      else {
        memset(ptrStack, 0, c*sizeof(icFloatNumber));
        ptrStack[c] = 0.0;
      }
      os.pStack->resize(ss-nSize+r+1);
    }
    return true;
  }

References SIccCalcOp::data, g_pIccMatrixSolver, SIccOpState::pScratch, SIccOpState::pStack, SIccCalcOp::select, IIccMatrixSolver::Solve(), SIccCalcOp::v1, and SIccCalcOp::v2.

Here is the call graph for this function:

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The documentation for this class was generated from the following file:

• IccProfLib/IccMpeCalc.cpp