6663b6c9
 adorian
projet complet av...
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#include <poincare/hyperbolic_arc_cosine.h>
#include <poincare/simplification_engine.h>
#include <poincare/trigonometry.h>
extern "C" {
#include <assert.h>
}
#include <cmath>
namespace Poincare {
Expression::Type HyperbolicArcCosine::type() const {
return Type::HyperbolicArcCosine;
}
Expression * HyperbolicArcCosine::clone() const {
HyperbolicArcCosine * a = new HyperbolicArcCosine(m_operands, true);
return a;
}
Expression * HyperbolicArcCosine::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 this;
}
template<typename T>
std::complex<T> HyperbolicArcCosine::computeOnComplex(const std::complex<T> c, AngleUnit angleUnit) {
std::complex<T> result = std::acosh(c);
/* asinh has a branch cut on ]-inf, 1]: it is then multivalued
* on this cut. We followed the convention chosen by the lib c++ of llvm on
* ]-inf+0i, 1+0i] (warning: atanh takes the other side of the cut values on
* ]-inf-0i, 1-0i[).*/
return Trigonometry::RoundToMeaningfulDigits(result);
}
}
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