cache_context.cpp
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#include "cache_context.h"
#include <cmath>
using namespace Poincare;
namespace Sequence {
template<typename T>
CacheContext<T>::CacheContext(Context * parentContext) :
VariableContext<T>('n', parentContext),
m_values{{Complex<T>::Float(NAN), Complex<T>::Float(NAN)},
{Complex<T>::Float(NAN), Complex<T>::Float(NAN)}}
{
}
template<typename T>
const Expression * CacheContext<T>::expressionForSymbol(const Symbol * symbol) {
if (symbol->name() == Symbol::SpecialSymbols::un || symbol->name() == Symbol::SpecialSymbols::un1 ||
symbol->name() == Symbol::SpecialSymbols::vn || symbol->name() == Symbol::SpecialSymbols::vn1) {
return &m_values[nameIndexForSymbol(symbol)][rankIndexForSymbol(symbol)];
}
return VariableContext<T>::expressionForSymbol(symbol);
}
template<typename T>
void CacheContext<T>::setValueForSymbol(T value, const Poincare::Symbol * symbol) {
m_values[nameIndexForSymbol(symbol)][rankIndexForSymbol(symbol)] = Complex<T>::Float(value);
}
template<typename T>
int CacheContext<T>::nameIndexForSymbol(const Poincare::Symbol * symbol) {
switch (symbol->name()) {
case Symbol::SpecialSymbols::un:
return 0;
case Symbol::SpecialSymbols::un1:
return 0;
case Symbol::SpecialSymbols::vn:
return 1;
case Symbol::SpecialSymbols::vn1:
return 1;
default:
return 0;
}
}
template<typename T>
int CacheContext<T>::rankIndexForSymbol(const Poincare::Symbol * symbol) {
switch (symbol->name()) {
case Symbol::SpecialSymbols::un:
return 0;
case Symbol::SpecialSymbols::un1:
return 1;
case Symbol::SpecialSymbols::vn:
return 0;
case Symbol::SpecialSymbols::vn1:
return 1;
default:
return 0;
}
}
template class CacheContext<float>;
template class CacheContext<double>;
}