rational.cpp
2.58 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
50
51
52
#include <quiz.h>
#include <poincare.h>
#include <assert.h>
#include "helper.h"
using namespace Poincare;
QUIZ_CASE(poincare_rational_sign) {
assert(Rational(-2).sign() == Expression::Sign::Negative);
assert(Rational(-2, 3).sign() == Expression::Sign::Negative);
assert(Rational(2, 3).sign() == Expression::Sign::Positive);
}
QUIZ_CASE(poincare_rational_compare) {
assert(Rational::NaturalOrder(Rational(123, 234),Rational(456, 567)) < 0);
assert(Rational::NaturalOrder(Rational(-123, 234),Rational(456, 567)) < 0);
assert(Rational::NaturalOrder(Rational(123, 234),Rational(-456, 567)) > 0);
assert(Rational::NaturalOrder(Rational(123, 234),Rational("123456789123456789", "12345678912345678910")) > 0);
}
QUIZ_CASE(poincare_rational_evaluate) {
assert_parsed_expression_evaluates_to<float>("1/3", "0.3333333");
assert_parsed_expression_evaluates_to<double>("123456/1234567", "9.9999432999586E-2");
}
QUIZ_CASE(poincare_rational_simplify) {
assert_parsed_expression_simplify_to("-1/3", "-1/3");
assert_parsed_expression_simplify_to("22355/45325", "4471/9065");
assert_parsed_expression_simplify_to("0000.000000", "0");
assert_parsed_expression_simplify_to(".000000", "0");
assert_parsed_expression_simplify_to("0000", "0");
assert_parsed_expression_simplify_to("0.1234567", "1234567/10000000");
assert_parsed_expression_simplify_to("123.4567", "1234567/10000");
assert_parsed_expression_simplify_to("0.1234", "617/5000");
assert_parsed_expression_simplify_to("0.1234000", "617/5000");
assert_parsed_expression_simplify_to("001234000", "1234000");
assert_parsed_expression_simplify_to("001.234000E3", "1234");
assert_parsed_expression_simplify_to("001234000E-4", "617/5");
assert_parsed_expression_simplify_to("3/4+5/4-12+1/567", "-5669/567");
assert_parsed_expression_simplify_to("34/78+67^(-1)", "1178/2613");
assert_parsed_expression_simplify_to("12348/34564", "3087/8641");
assert_parsed_expression_simplify_to("1-0.3-0.7", "0");
assert_parsed_expression_simplify_to("123456789123456789+112233445566778899", "235690234690235688");
assert_parsed_expression_simplify_to("56^56", "79164324866862966607842406018063254671922245312646690223362402918484170424104310169552592050323456");
assert_parsed_expression_simplify_to("999^999", "999^999");
assert_parsed_expression_simplify_to("999^-999", "1/999^999");
assert_parsed_expression_simplify_to("0^0", "undef");
assert_parsed_expression_simplify_to("x^0", "1");
assert_parsed_expression_simplify_to("P^0", "1");
assert_parsed_expression_simplify_to("A^0", "1");
assert_parsed_expression_simplify_to("(-3)^0", "1");
}