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build2/epsilon-master/poincare/src/cosine.cpp 1.32 KB
6663b6c9   adorian   projet complet av...
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  #include <poincare/cosine.h>
  #include <poincare/hyperbolic_cosine.h>
  #include <poincare/symbol.h>
  #include <poincare/rational.h>
  #include <poincare/multiplication.h>
  #include <poincare/simplification_engine.h>
  #include <ion.h>
  extern "C" {
  #include <assert.h>
  }
  #include <cmath>
  
  namespace Poincare {
  
  Expression::Type Cosine::type() const {
    return Type::Cosine;
  }
  
  Expression * Cosine::clone() const {
    Cosine * a = new Cosine(m_operands, true);
    return a;
  }
  
  float Cosine::characteristicXRange(Context & context, AngleUnit angleUnit) const {
    return Trigonometry::characteristicXRange(this, context, angleUnit);
  }
  
  template<typename T>
  std::complex<T> Cosine::computeOnComplex(const std::complex<T> c, AngleUnit angleUnit) {
    std::complex<T> angleInput = Trigonometry::ConvertToRadian(c, angleUnit);
    std::complex<T> res = std::cos(angleInput);
    return Trigonometry::RoundToMeaningfulDigits(res);
  }
  
  Expression * Cosine::shallowReduce(Context& context, AngleUnit angleUnit) {
    Expression * e = Expression::shallowReduce(context, angleUnit);
    if (e != this) {
      return e;
    }
  #if MATRIX_EXACT_REDUCING
    Expression * op = editableOperand(0);
    if (op->type() == Type::Matrix) {
      return SimplificationEngine::map(this, context, angleUnit);
    }
  #endif
    return Trigonometry::shallowReduceDirectFunction(this, context, angleUnit);
  }
  
  }