6663b6c9
 adorian
projet complet av...
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#include "finite_integral_calculation.h"
#include "../law/normal_law.h"
#include <assert.h>
#include <ion.h>
#include <cmath>
namespace Probability {
FiniteIntegralCalculation::FiniteIntegralCalculation() :
Calculation(),
m_lowerBound(0.0),
m_upperBound(1.0),
m_result(0.0)
{
compute(0);
}
Calculation::Type FiniteIntegralCalculation::type() {
return Type::FiniteIntegral;
}
int FiniteIntegralCalculation::numberOfParameters() {
return 3;
}
int FiniteIntegralCalculation::numberOfEditableParameters() {
if (m_law->type() == Law::Type::Normal) {
return 3;
}
return 2;
}
I18n::Message FiniteIntegralCalculation::legendForParameterAtIndex(int index) {
assert(index >= 0 && index < 3);
if (index == 0) {
return I18n::Message::RightIntegralFirstLegend;
}
if (index == 1) {
return I18n::Message::FiniteIntegralLegend;
}
return I18n::Message::LeftIntegralSecondLegend;
}
void FiniteIntegralCalculation::setParameterAtIndex(double f, int index) {
assert(index >= 0 && index < 3);
if (index == 0) {
m_lowerBound = f;
}
if (index == 1) {
m_upperBound = f;
}
if (index == 2) {
m_result = f;
}
compute(index);
}
double FiniteIntegralCalculation::parameterAtIndex(int index) {
assert(index >= 0 && index < 3);
if (index == 0) {
return m_lowerBound;
}
if (index == 1) {
return m_upperBound;
}
return m_result;
}
double FiniteIntegralCalculation::lowerBound() {
return m_lowerBound;
}
double FiniteIntegralCalculation::upperBound() {
return m_upperBound;
}
void FiniteIntegralCalculation::compute(int indexKnownElement) {
if (m_law == nullptr) {
return;
}
if (indexKnownElement == 2) {
assert(m_law->type() == Law::Type::Normal);
double p = (1.0+m_result)/2.0;
m_upperBound = ((NormalLaw *)m_law)->cumulativeDistributiveInverseForProbability(&p);
m_lowerBound = 2.0*m_law->parameterValueAtIndex(0)-m_upperBound;
}
m_result = m_law->finiteIntegralBetweenAbscissas(m_lowerBound, m_upperBound);
}
}
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