frac_part.cpp
1.17 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
#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>
Complex<T> FracPart::computeOnComplex(const Complex<T> c, AngleUnit angleUnit) {
if (c.b() != 0) {
return Complex<T>::Float(NAN);
}
return Complex<T>::Float(c.a()-std::floor(c.a()));
}
}