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master
pkg/math/math_test.go
60 строк
1 KB
Daniel Martí
pkg/math: fix Log2E and Log10E constant expressions
17 авг 2023, 11:20
17 авг 2023, 11:20
a1038f7
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// 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 }