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IFEM
90A354
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Scalar-valued unary function of a spatial point. More...
#include <Function.h>


Public Member Functions | |
| unsigned char | getType () const override |
| Returns the function type flag. | |
| std::vector< Real > | getValue (const Vec3 &X) const override |
| Returns the function value as an array. | |
| virtual Vec3 | gradient (const Vec3 &X) const |
| Evaluates first derivatives of the function. | |
| virtual SymmTensor | hessian (const Vec3 &X) const |
| Evaluates second derivatives of the function. | |
| Real | getScalarValue (const Vec3 &X) const override |
| Returns a representative scalar equivalent of the function value. | |
| Real | timeDerivative (const Vec3 &X) const |
| Returns the time derivative of the function. | |
Public Member Functions inherited from utl::SpatialFunction< Real > | |
| virtual Real | deriv (const Vec3 &, int) const |
| Returns a first-derivative of the function. | |
| virtual Real | dderiv (const Vec3 &, int, int) const |
| Returns a second-derivative of the function. | |
Public Member Functions inherited from utl::Function< Arg, Result > | |
| virtual | ~Function () |
| Empty destructor. | |
| virtual bool | isZero () const |
| Returns whether the function is identically zero or not. | |
| virtual bool | isConstant () const |
| Returns whether the function is time-independent or not. | |
| Result | operator() (const Arg &x) const |
| Operator returning the function value for the given argument. | |
Public Member Functions inherited from FunctionBase | |
| virtual | ~FunctionBase () |
| Empty destructor. | |
| size_t | dim () const |
| Returns the number of components of the return value. | |
| virtual bool | initPatch (size_t) |
| Sets the active patch. | |
| virtual bool | inDomain (const Vec3 &) const |
| Checks if a specified point is within the function domain. | |
| virtual void | setParam (const std::string &, Real) |
| Sets an additional parameter in the function. | |
| void | setParam (const std::string &name, const Vec3 &value) |
| Sets additional parameter values in the function. | |
Protected Member Functions | |
| RealFunc () | |
| The constructor is protected to allow sub-class instances only. | |
Protected Member Functions inherited from utl::SpatialFunction< Real > | |
| SpatialFunction (const Real &val) | |
| The constructor is protected to allow sub-class instances only. | |
| virtual std::vector< Real > | evalGradient (const Vec3 &) const |
| Returns the gradient of the function as a 1D array. | |
| virtual std::vector< Real > | evalHessian (const Vec3 &) const |
| Returns the hessian of the function as a 1D array. | |
| virtual std::vector< Real > | evalTimeDerivative (const Vec3 &) const |
| Returns the time derivatives of the function as a 1D array. | |
Protected Member Functions inherited from utl::Function< Arg, Result > | |
| Function () | |
| The constructor is protected to allow sub-class instances only. | |
| virtual Result | evaluate (const Arg &x) const =0 |
| Evaluates the function for the argument x. | |
Protected Member Functions inherited from FunctionBase | |
| FunctionBase () | |
| The constructor is protected to allow sub-class instances only. | |
Additional Inherited Members | |
Public Types inherited from utl::Function< Arg, Result > | |
| typedef Arg | Input |
| Input type. | |
| typedef Result | Output |
| Output type. | |
Protected Attributes inherited from utl::SpatialFunction< Real > | |
| Real | zero |
| Return value for default implementations of derivatives. | |
Protected Attributes inherited from FunctionBase | |
| size_t | ncmp |
| Number of components in the return value. | |
Scalar-valued unary function of a spatial point.