6663b6c9
 adorian
projet complet av...
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#include "regression_context.h"
#include <assert.h>
#include <string.h>
using namespace Poincare;
using namespace Shared;
namespace Regression {
const Expression * RegressionContext::expressionForSymbol(const Symbol * symbol) {
if (Symbol::isRegressionSymbol(symbol->name())) {
const char * seriesName = Symbol::textForSpecialSymbols(symbol->name());
assert(strlen(seriesName) == 2);
int series = (int)(seriesName[1] - '0') - 1;
assert(series >= 0 && series < DoublePairStore::k_numberOfSeries);
assert((seriesName[0] == 'X') || (seriesName[0] == 'Y'));
int storeI = seriesName[0] == 'X' ? 0 : 1;
assert(m_seriesPairIndex >= 0);
assert(m_seriesPairIndex < m_store->numberOfPairsOfSeries(series));
m_value = Approximation<double>(m_store->get(series, storeI, m_seriesPairIndex));
return &m_value;
} else {
return m_parentContext->expressionForSymbol(symbol);
}
}
}
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