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build1/epsilon-master/poincare/src/frac_part.cpp 1.18 KB
6663b6c9   adorian   projet complet av...
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  #include <poincare/frac_part.h>
  #include <poincare/simplification_engine.h>
  #include <poincare/rational.h>
  extern "C" {
  #include <assert.h>
  }
  #include <cmath>
  
  namespace Poincare {
  
  Expression::Type FracPart::type() const {
    return Type::FracPart;
  }
  
  Expression * FracPart::clone() const {
    FracPart * c = new FracPart(m_operands, true);
    return c;
  }
  
  Expression * FracPart::shallowReduce(Context& context, AngleUnit angleUnit) {
    Expression * e = Expression::shallowReduce(context, angleUnit);
    if (e != this) {
      return e;
    }
    Expression * op = editableOperand(0);
  #if MATRIX_EXACT_REDUCING
    if (op->type() == Type::Matrix) {
      return SimplificationEngine::map(this, context, angleUnit);
    }
  #endif
    if (op->type() != Type::Rational) {
      return this;
    }
    Rational * r = static_cast<Rational *>(op);
    IntegerDivision div = Integer::Division(r->numerator(), r->denominator());
    return replaceWith(new Rational(div.remainder, r->denominator()), true);
  }
  
  template<typename T>
  std::complex<T> FracPart::computeOnComplex(const std::complex<T> c, AngleUnit angleUnit) {
    if (c.imag() != 0) {
      return Complex<T>::Undefined();
    }
    return Complex<T>(c.real()-std::floor(c.real()));
  }
  
  }