IFEM-2/IFEM__math_8h_source.html

// $Id$

//==============================================================================

//==============================================================================


#ifndef UTL_MATH_H

#define UTL_MATH_H


#include <cmath>

#include <cstddef>

#include <vector>


namespace utl

{

  size_t Pascal(int p, unsigned short int nsd);

  void Pascal(int p, Real x, Real y, std::vector<Real>& phi);

  void Pascal(int p, Real x, Real y, Real z, std::vector<Real>& phi);


  inline Real Pos(Real x) { return x > Real(0) ? x : Real(0); }

  inline Real Neg(Real x) { return x < Real(0) ? x : Real(0); }

  inline Real Rad(Real x) { return x*M_PI/Real(180); }

}


#endif

Real
#define Real
The floating point type to use.
Definition ImmersedBoundaries.h:18

utl
General utility classes and functions.
Definition SIMoptions.h:22

utl::Rad
Real Rad(Real x)
Converts from degrees to radians.
Definition IFEM_math.h:38

utl::Pascal
size_t Pascal(int p, unsigned short int nsd)
Returns the number of monomials in Pascal's triangle.
Definition IFEM_math.C:17

utl::Pos
Real Pos(Real x)
Evaluates the positive ramp function .
Definition IFEM_math.h:34

utl::Neg
Real Neg(Real x)
Evaluates the negative ramp function .
Definition IFEM_math.h:36