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
|
// Copyright 2020 CUE Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package math_test
import (
"fmt"
"testing"
"cuelang.org/go/pkg/internal/builtintest"
"cuelang.org/go/pkg/math"
)
func TestBuiltin(t *testing.T) {
builtintest.Run("math", t)
}
func Example_constants() {
show := func(name string, value any) {
fmt.Printf("% 7s: %v\n", name, value)
}
show("E", math.E)
show("Pi", math.Pi)
show("Phi", math.Phi)
show("Sqrt2", math.Sqrt2)
show("SqrtE", math.SqrtE)
show("SqrtPi", math.SqrtPi)
show("SqrtPhi", math.SqrtPhi)
show("Ln2", math.Ln2)
show("Log2E", math.Log2E)
show("Ln10", math.Ln10)
show("Log10E", math.Log10E)
// Output:
// E: 2.718281828459045
// Pi: 3.141592653589793
// Phi: 1.618033988749895
// Sqrt2: 1.4142135623730951
// SqrtE: 1.6487212707001282
// SqrtPi: 1.772453850905516
// SqrtPhi: 1.272019649514069
// Ln2: 0.6931471805599453
// Log2E: 1.4426950408889634
// Ln10: 2.302585092994046
// Log10E: 0.4342944819032518
}
|
