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Added overload for derivative and dderivative #116

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4e0cda3
Added overload for derivative and dderivative
Jan 20, 2023
9eeea93
Added efficiency change to cubic splines as well.
Mar 3, 2023
adebf2d
added more indexed evaluations
Apr 26, 2023
2d788e0
added indexing for CubicSpline
jodle001 May 4, 2023
43b8106
added overloaded operator () to smoothLinearspline
May 6, 2023
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4 changes: 3 additions & 1 deletion ecl_geometry/include/ecl/geometry/cubic_spline.hpp
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Expand Up @@ -177,6 +177,7 @@ class ECL_PUBLIC CubicSpline : public BluePrintFactory< CubicSpline > {
* @exception : StandardException : throws if input x value is outside the spline range [debug mode only].
*/
double operator()(const double &x) const;
std::map<int, double> operator()(int last_index, const double &x);
/**
* @brief Spline derivative.
*
Expand All @@ -186,6 +187,7 @@ class ECL_PUBLIC CubicSpline : public BluePrintFactory< CubicSpline > {
* @exception : StandardException : throws if input x value is outside the spline range [debug mode only].
*/
double derivative(double x) const;
std::map<int, double> derivative(const int &last_index, const double &x) const;
/**
* @brief Spline second derivative.
*
Expand All @@ -195,7 +197,7 @@ class ECL_PUBLIC CubicSpline : public BluePrintFactory< CubicSpline > {
* @exception : StandardException : throws if input x value is outside the spline range [debug mode only].
*/
double dderivative(double x) const;

std::map<int, double> dderivative(const int &last_index, const double &x) const;
/**
* @brief The discretised domain for this spline.
*
Expand Down
7 changes: 6 additions & 1 deletion ecl_geometry/include/ecl/geometry/smooth_linear_spline.hpp
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Expand Up @@ -88,6 +88,8 @@ class ecl_geometry_PUBLIC SmoothLinearSpline {
* @exception : StandardException : throws if x is outside the spline range [debug mode only].
*/
double operator()(const double &x) const;
std::map<int, double> operator()(const int &last_index,const double &x) const;

/**
* @brief Spline derivative.
*
Expand All @@ -99,6 +101,8 @@ class ecl_geometry_PUBLIC SmoothLinearSpline {
* @exception : StandardException : throws if x is outside the spline range [debug mode only].
*/
double derivative(const double &x) const;
std::map<int, double> derivative(const int &last_index, const double &x) const;

/**
* @brief Spline second derivative.
*
Expand All @@ -108,6 +112,7 @@ class ecl_geometry_PUBLIC SmoothLinearSpline {
* @exception : StandardException : throws if x is outside the spline range [debug mode only].
*/
double dderivative(const double &x) const;
std::map<int, double> dderivative(const int &last_index, const double &x) const;

/**
* @brief The discretised domain for this spline.
Expand Down Expand Up @@ -150,7 +155,7 @@ class ecl_geometry_PUBLIC SmoothLinearSpline {
* @brief Streaming output insertion operator for smoothed linear splines.
*
* Streaming output insertion operator for smoothed linear splines. This
* simply lists the spline segments and corners (linear functions and
* simply lists the spline segments and corners (linear functions andTensionSpline
* quintic polynomials) in algebraic form.
*
* @tparam OutputStream : the type of stream being used.
Expand Down
7 changes: 7 additions & 0 deletions ecl_geometry/include/ecl/geometry/tension_spline.hpp
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Expand Up @@ -25,6 +25,7 @@
#include <ecl/exceptions/standard_exception.hpp>
#include <ecl/utilities/blueprints.hpp>
#include "macros.hpp"
#include <map>

/*****************************************************************************
** Namespaces
Expand Down Expand Up @@ -156,6 +157,8 @@ class ecl_geometry_PUBLIC TensionSpline : public BluePrintFactory< TensionSpline
* @exception : StandardException : throws if x is outside the spline range [debug mode only].
*/
double operator()(const double &x) const;

std::map<int, double> operator()(const int &last_index, const double &x) const;
/**
* @brief Spline derivative.
*
Expand All @@ -167,6 +170,8 @@ class ecl_geometry_PUBLIC TensionSpline : public BluePrintFactory< TensionSpline
* @exception : StandardException : throws if x is outside the spline range [debug mode only].
*/
double derivative(const double &x) const;

std::map<int, double> derivative(const int &last_index, const double &x) const;
/**
* @brief Spline second derivative.
*
Expand All @@ -177,6 +182,8 @@ class ecl_geometry_PUBLIC TensionSpline : public BluePrintFactory< TensionSpline
*/
double dderivative(const double &x) const;

std::map<int, double> dderivative(const int &last_index, const double &x) const;

/**
* @brief The discretised domain for this spline.
*
Expand Down
31 changes: 31 additions & 0 deletions ecl_geometry/src/lib/cubic_spline.cpp
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Expand Up @@ -35,6 +35,16 @@ double CubicSpline::operator()(const double &x) const {
return cubic_polynomials[index](x);
}

std::map<int, double> CubicSpline::operator()(int last_index, const double &x) {
ecl_assert_throw( ( ( x >= discretised_domain.front() ) && ( x <= discretised_domain.back() ) ), StandardException(LOC,OutOfRangeError) );
int index = last_index;
while ( x > discretised_domain[index+1] ) {
++index;
}
std::map<int, double> m = {{index, cubic_polynomials[index](x)}};
return m;
}

double CubicSpline::derivative(double x) const {
ecl_assert_throw( ( ( x >= discretised_domain.front() ) && ( x <= discretised_domain.back() ) ), StandardException(LOC,OutOfRangeError) );
int index = 0;
Expand All @@ -44,6 +54,16 @@ double CubicSpline::derivative(double x) const {
return cubic_polynomials[index].derivative()(x);
}

std::map<int, double> CubicSpline::derivative(const int &last_index, const double &x) const {
ecl_assert_throw( ( ( x >= discretised_domain.front() ) && ( x <= discretised_domain.back() ) ), StandardException(LOC,OutOfRangeError) );
int index = last_index;
while ( x > discretised_domain[index+1] ) {
++index;
}
std::map<int, double> m = {{index, cubic_polynomials[index].derivative()(x)}};
return m;
}

double CubicSpline::dderivative(double x) const {
ecl_assert_throw( ( ( x >= discretised_domain.front() ) && ( x <= discretised_domain.back() ) ), StandardException(LOC,OutOfRangeError) );
int index = 0;
Expand All @@ -53,4 +73,15 @@ double CubicSpline::dderivative(double x) const {
return cubic_polynomials[index].derivative().derivative()(x);
}

std::map<int, double> CubicSpline::dderivative(const int &last_index, const double &x) const {
ecl_assert_throw( ( ( x >= discretised_domain.front() ) && ( x <= discretised_domain.back() ) ), StandardException(LOC,OutOfRangeError) );
int index = last_index;
while ( x > discretised_domain[index+1] ) {
++index;
}
std::map<int, double> m = {{index, cubic_polynomials[index].derivative().derivative()(x)}};
return m;
}


} // namespace ecl
49 changes: 49 additions & 0 deletions ecl_geometry/src/lib/smooth_linear_spline.cpp
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Expand Up @@ -122,6 +122,21 @@ double SmoothLinearSpline::operator()(const double &x) const {
}
}

std::map<int, double> SmoothLinearSpline::operator()(const int &last_index, const double &x) const {
ecl_assert_throw( ( ( x >= discretised_domain.front() ) && ( x <= discretised_domain.back() ) ), StandardException(LOC,OutOfRangeError) );
int index = last_index;
while ( x > discretised_domain[index+1] ) {
++index;
}
if ( index % 2 == 0 ) { // linear
std::map<int,double> m = {{index,segments[index/2](x)}};
return m;
} else { // quintic
std::map<int,double> m = {{index, corners[(index-1)/2](x)}};
return m;
}
}

double SmoothLinearSpline::derivative(const double &x) const {
ecl_assert_throw( ( ( x >= discretised_domain.front() ) && ( x <= discretised_domain.back() ) ), StandardException(LOC,OutOfRangeError) );
int index = 0;
Expand All @@ -135,6 +150,23 @@ double SmoothLinearSpline::derivative(const double &x) const {
}
}

std::map<int, double> SmoothLinearSpline::derivative(const int &last_index, const double &x) const {
ecl_assert_throw( ( ( x >= discretised_domain.front() ) && ( x <= discretised_domain.back() ) ), StandardException(LOC,OutOfRangeError) );
int index = last_index;
while ( x > discretised_domain[index+1] ) {
++index;
}
std::map<int, double> m;
if ( index % 2 == 0 )
{ // linear
std::map<int,double> m = {{index,segments[index/2].derivative(x)}};
return m;
} else { // quintic
std::map<int,double> m = {{index,corners[(index-1)/2].derivative(x)}};
return m;
}
}

double SmoothLinearSpline::dderivative(const double &x) const {
ecl_assert_throw( ( ( x >= discretised_domain.front() ) && ( x <= discretised_domain.back() ) ), StandardException(LOC,OutOfRangeError) );
int index = 0;
Expand All @@ -148,6 +180,23 @@ double SmoothLinearSpline::dderivative(const double &x) const {
}
}

std::map<int, double> SmoothLinearSpline::dderivative(const int &last_index, const double &x) const {
ecl_assert_throw( ( ( x >= discretised_domain.front() ) && ( x <= discretised_domain.back() ) ), StandardException(LOC,OutOfRangeError) );
int index = last_index;
while ( x > discretised_domain[index+1] ) {
++index;
}
std::map<int, double> m;
if ( index % 2 == 0 )
{ // linear
std::map<int,double> m = {{index,segments[index/2].dderivative(x)}};
return m;
} else { // quintic
std::map<int,double> m = {{index,corners[(index-1)/2].dderivative(x)}};
return m;
}
}

} // namespace ecl


Expand Down
30 changes: 30 additions & 0 deletions ecl_geometry/src/lib/tension_spline.cpp
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Expand Up @@ -35,6 +35,16 @@ double TensionSpline::operator()(const double &x) const {
return functions[index](tension,x);
}

std::map<int, double> TensionSpline::operator()(const int &last_index, const double &x) const {
ecl_assert_throw( ( ( x >= discretised_domain.front() ) && ( x <= discretised_domain.back() ) ), StandardException(LOC,OutOfRangeError) );
int index = last_index;
while ( x > discretised_domain[index+1] ) {
++index;
}
std::map<int, double> m = {{index, functions[index](tension,x)}};
return m;
}

double TensionSpline::derivative(const double &x) const {
ecl_assert_throw( ( ( x >= discretised_domain.front() ) && ( x <= discretised_domain.back() ) ), StandardException(LOC,OutOfRangeError) );
int index = 0;
Expand All @@ -44,6 +54,16 @@ double TensionSpline::derivative(const double &x) const {
return functions[index].derivative(tension,x);
}

std::map<int, double> TensionSpline::derivative(const int &last_index, const double &x) const {
ecl_assert_throw( ( ( x >= discretised_domain.front() ) && ( x <= discretised_domain.back() ) ), StandardException(LOC,OutOfRangeError) );
int index = last_index;
while ( x > discretised_domain[index+1] ) {
++index;
}
std::map<int, double> m = {{index, functions[index].derivative(tension,x)}};
return m;
}

double TensionSpline::dderivative(const double &x) const {
ecl_assert_throw( ( ( x >= discretised_domain.front() ) && ( x <= discretised_domain.back() ) ), StandardException(LOC,OutOfRangeError) );
int index = 0;
Expand All @@ -53,4 +73,14 @@ double TensionSpline::dderivative(const double &x) const {
return functions[index].dderivative(tension,x);
}

std::map<int, double> TensionSpline::dderivative(const int &last_index, const double &x) const {
ecl_assert_throw( ( ( x >= discretised_domain.front() ) && ( x <= discretised_domain.back() ) ), StandardException(LOC,OutOfRangeError) );
int index = last_index;
while ( x > discretised_domain[index+1] ) {
++index;
}
std::map<int, double> m = {{index, functions[index].dderivative(tension, x)}};
return m;
}

} // namespace ecl
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