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
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
|
/* __ *\
** ________ ___ / / ___ __ ____ Scala.js Test Suite **
** / __/ __// _ | / / / _ | __ / // __/ (c) 2013, LAMP/EPFL **
** __\ \/ /__/ __ |/ /__/ __ |/_// /_\ \ http://scala-js.org/ **
** /____/\___/_/ |_/____/_/ | |__/ /____/ **
** |/____/ **
\* */
package scala.scalajs.testsuite.javalib
import scala.scalajs.js
import org.scalajs.jasminetest.JasmineTest
import java.lang.Math
object MathTest extends JasmineTest {
describe("java.lang.Math") {
it("should respond to `cbrt`") {
expect(1 / Math.cbrt(-0.0) < 0).toBeTruthy
expect(Math.cbrt(27.0)).toEqual(3.0)
expect(Math.cbrt(1000000.0)).toEqual(100.0)
expect(Math.cbrt(1000000000.0)).toEqual(1000.0)
expect(Math.cbrt(-1.0E24)).toEqual(-100000000.0)
expect(Math.cbrt(-65890311319.0E24)).toEqual(-4039.0E8)
}
it("should respond to `log1p`") {
expect(Math.log1p(-2.0).isNaN).toBeTruthy
expect(Math.log1p(js.Number.NaN.toDouble).isNaN).toBeTruthy
expect(Math.log1p(0.0)).toEqual(0.0)
}
it("should respond to `log10`") {
expect(Math.log10(-230.0).isNaN).toBeTruthy
expect(Math.log10(js.Number.NaN.toDouble).isNaN).toBeTruthy
}
it("should respond to `signum` for Double") {
expect(Math.signum(234394.2198273)).toEqual(1.0)
expect(Math.signum(-124937498.58)).toEqual(-1.0)
expect(Math.signum(+0.0)).toEqual(0.0)
expect(1 / Math.signum(+0.0) > 0).toBeTruthy
expect(Math.signum(-0.0)).toEqual(-0.0)
expect(1 / Math.signum(-0.0) < 0).toBeTruthy
expect(Math.signum(js.Number.NaN.toDouble).isNaN).toBeTruthy
}
it("should respond to `signum` for Float") {
expect(Math.signum(234394.2198273f)).toEqual(1.0f)
expect(Math.signum(-124937498.58f)).toEqual(-1.0f)
expect(Math.signum(+0.0f)).toEqual(0.0f)
expect(1 / Math.signum(+0.0f) > 0).toBeTruthy
expect(Math.signum(-0.0f)).toEqual(-0.0f)
expect(1 / Math.signum(-0.0f) < 0).toBeTruthy
expect(Math.signum(js.Number.NaN.toFloat).isNaN).toBeTruthy
}
it("should respond to `nextUp` for Double") {
expect(Math.nextUp(Double.PositiveInfinity)).toEqual(Double.PositiveInfinity)
expect(Math.nextUp(Double.NegativeInfinity)).toEqual(-Double.MaxValue)
expect(Math.nextUp(Double.MaxValue)).toEqual(Double.PositiveInfinity)
expect(Math.nextUp(-Double.MaxValue)).toEqual(-1.7976931348623155e+308)
expect(Math.nextUp(-Double.MinValue)).toEqual(Double.PositiveInfinity)
expect(Math.nextUp(0.0)).toEqual(Double.MinValue)
expect(Math.nextUp(-0.0)).toEqual(Double.MinValue)
expect(Math.nextUp(9007199254740991.0)).toEqual(9007199254740992.0)
expect(Math.nextUp(9007199254740992.0)).toEqual(9007199254740994.0)
expect(Math.nextUp(1.0)).toEqual(1 + 2.2204460492503130808472633361816E-16)
}
it("should respond to `nextAfter` for Double") {
expect(Math.nextAfter(1.0, js.Number.NaN.toDouble).isNaN).toBeTruthy
expect(Math.nextAfter(js.Number.NaN.toDouble, 1.0).isNaN).toBeTruthy
expect(Math.nextAfter(0.0, 0.0)).toEqual(0.0)
expect(Math.nextAfter(0.0, -0.0)).toEqual(-0.0)
expect(Math.nextAfter(-0.0, 0.0)).toEqual(0.0)
expect(Math.nextAfter(-0.0, -0.0)).toEqual(-0.0)
expect(Math.nextAfter(Double.MinValue, Double.NegativeInfinity)).toEqual(Double.NegativeInfinity)
expect(Math.nextAfter(-Double.MinValue, Double.PositiveInfinity)).toEqual(Double.PositiveInfinity)
expect(Math.nextAfter(Double.PositiveInfinity, Double.NegativeInfinity)).toEqual(Double.MaxValue)
expect(Math.nextAfter(Double.NegativeInfinity, Double.PositiveInfinity)).toEqual(-Double.MaxValue)
expect(Math.nextAfter(Double.MaxValue, Double.PositiveInfinity)).toEqual(Double.PositiveInfinity)
expect(Math.nextAfter(-Double.MaxValue, Double.NegativeInfinity)).toEqual(Double.NegativeInfinity)
expect(Math.nextAfter(1.0, 1.0)).toEqual(1.0)
}
it("should respond to `ulp` for Double") {
expect(Math.ulp(3.4)).toEqual(4.440892098500626E-16)
expect(Math.ulp(3.423E109)).toEqual(4.1718496795330275E93)
expect(Math.ulp(0.0)).toEqual(Double.MinValue)
}
it("should respond to `hypot`") {
expect(Math.hypot(0.0, 0.0)).toBeCloseTo(0.0)
expect(Math.hypot(3.0, 4.0)).toBeCloseTo(5.0)
expect(Math.hypot(3.0, js.Number.NaN.toDouble).isNaN).toBeTruthy
expect(Math.hypot(Double.NegativeInfinity, 4.0)).toEqual(Double.PositiveInfinity)
}
it("should respond to `expm1`") {
expect(1 / Math.expm1(-0.0) < 0).toBeTruthy
expect(Math.expm1(-0.0)).toBeCloseTo(0.0)
expect(Math.expm1(3.0)).toBeCloseTo(19.085536923187668)
expect(Math.expm1(15.0)).toBeCloseTo(3269016.3724721107)
expect(Math.expm1(1.8E10)).toEqual(Double.PositiveInfinity)
expect(Math.expm1(Double.PositiveInfinity)).toEqual(Double.PositiveInfinity)
expect(Math.expm1(Double.NegativeInfinity)).toBeCloseTo(-1.0)
expect(Math.expm1(4.9E-324)).toBeCloseTo(4.9E-324)
}
it("should respond to `sinh`") {
expect(Math.sinh(-1234.56)).toEqual(Double.NegativeInfinity)
expect(Math.sinh(1234.56)).toEqual(Double.PositiveInfinity)
expect(Math.sinh(0.0)).toBeCloseTo(0.0)
expect(Math.sinh(Double.PositiveInfinity)).toEqual(Double.PositiveInfinity)
}
it("should respond to `cosh`") {
expect(Math.cosh(-1234.56)).toEqual(Double.PositiveInfinity)
expect(Math.cosh(1234.56)).toEqual(Double.PositiveInfinity)
expect(Math.cosh(-0.0)).toBeCloseTo(1.0)
expect(Math.cosh(Double.PositiveInfinity)).toEqual(Double.PositiveInfinity)
}
it("should respond to `tanh`") {
expect(Math.tanh(-1234.56)).toBeCloseTo(-1.0)
expect(Math.tanh(-120.56)).toBeCloseTo(-1.0)
expect(Math.tanh(1234.56)).toBeCloseTo(1.0)
expect(Math.tanh(0.0)).toBeCloseTo(0.0)
expect(Math.tanh(Double.PositiveInfinity)).toBeCloseTo(1.0)
expect(Math.tanh(Double.NegativeInfinity)).toBeCloseTo(-1.0)
}
}
}
|
