src/StdMeshers/StdMeshers_Distribution.hxx File Reference

#include "SMESH_StdMeshers.hxx"
#include <vector>
#include <math_Function.hxx>
#include <ExprIntrp_GenExp.hxx>
#include <Expr_Array1OfNamedUnknown.hxx>
#include <TColStd_Array1OfReal.hxx>

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Data Structures
class	Function
class	FunctionIntegral
class	FunctionTable
class	FunctionExpr
Functions
bool	buildDistribution (const Function &f, const double start, const double end, const int nbSeg, std::vector< double > &data, const double eps)
bool	buildDistribution (const TCollection_AsciiString &f, const int conv, const double start, const double end, const int nbSeg, std::vector< double > &data, const double eps)
bool	buildDistribution (const std::vector< double > &f, const int conv, const double start, const double end, const int nbSeg, std::vector< double > &data, const double eps)

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Function Documentation

bool buildDistribution	(	const Function &	f,
		const double	start,
		const double	end,
		const int	nbSeg,
		std::vector< double > &	data,
		const double	eps
	)

Definition at line 320 of file StdMeshers_Distribution.cxx.

References dihotomySolve(), and Function.integral().

{
  if( nbSeg<=0 )
    return false;

  data.resize( nbSeg+1 );
  data[0] = start;
  double J = func.integral( start, end ) / nbSeg;
  if( J<1E-10 )
    return false;

  bool ok;
  //MESSAGE( "distribution:" );
  //char buf[1024];
  for( int i=1; i<nbSeg; i++ )
  {
    FunctionIntegral f_int( &func, data[i-1] );
    data[i] = dihotomySolve( f_int, J, data[i-1], end, eps, ok );
    //sprintf( buf, "%f\n", float( data[i] ) );
    //MESSAGE( buf );
    if( !ok )
      return false;
  }

  data[nbSeg] = end;
  return true;
}

bool buildDistribution	(	const std::vector< double > &	f,
		const int	conv,
		const double	start,
		const double	end,
		const int	nbSeg,
		std::vector< double > &	data,
		const double	eps
	)

Definition at line 313 of file StdMeshers_Distribution.cxx.

References buildDistribution().

{
  FunctionTable F( f, conv );
  return buildDistribution( F, start, end, nbSeg, data, eps );
}

bool buildDistribution	(	const TCollection_AsciiString &	f,
		const int	conv,
		const double	start,
		const double	end,
		const int	nbSeg,
		std::vector< double > &	data,
		const double	eps
	)

Definition at line 306 of file StdMeshers_Distribution.cxx.

References buildDistribution().

Referenced by buildDistribution(), StdMeshers_NumberOfSegments.BuildDistributionExpr(), StdMeshers_NumberOfSegments.BuildDistributionTab(), and computeParamByFunc().

{
  FunctionExpr F( f.ToCString(), conv );
  return buildDistribution( F, start, end, nbSeg, data, eps );
}