arc_cosine.cpp
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#include <poincare/arc_cosine.h>
extern "C" {
#include <assert.h>
}
#include <cmath>
namespace Poincare {
ArcCosine::ArcCosine() :
Function("acos")
{
}
Expression::Type ArcCosine::type() const {
return Type::ArcCosine;
}
Expression * ArcCosine::cloneWithDifferentOperands(Expression** newOperands,
int numberOfOperands, bool cloneOperands) const {
assert(newOperands != nullptr);
ArcCosine * c = new ArcCosine();
c->setArgument(newOperands, numberOfOperands, cloneOperands);
return c;
}
template<typename T>
Complex<T> ArcCosine::templatedComputeComplex(const Complex<T> c, AngleUnit angleUnit) const {
assert(angleUnit != AngleUnit::Default);
if (c.b() != 0) {
return Complex<T>::Float(NAN);
}
T result = std::acos(c.a());
if (angleUnit == AngleUnit::Degree) {
return Complex<T>::Float(result*180/M_PI);
}
return Complex<T>::Float(result);
}
}