/
githubmirror
/
go
Обзор
Документация
Войти
/
githubmirror
/
go
Код
Запросы
0
Пакеты
0
Релизы
0
Аналитика
Безопасность
master
test/fixedbugs/issue14553.go
45 строк
940 B
Robert Griesemer
cmd/compile: update vendored math/big to latest version
22 мар 2016, 20:09
22 мар 2016, 20:09
c12e1b0
Код
Авторство
О чём код?
// run // Copyright 2016 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. // This test checks if the compiler's internal constant // arithmetic correctly rounds denormal float32 values. package main import ( "fmt" "math" ) func main() { for _, t := range []struct { value float32 bits uint32 }{ {0e+00, 0x00000000}, {1e-46, 0x00000000}, {0.5e-45, 0x00000000}, {0.8e-45, 0x00000001}, {1e-45, 0x00000001}, {2e-45, 0x00000001}, {3e-45, 0x00000002}, {4e-45, 0x00000003}, {5e-45, 0x00000004}, {6e-45, 0x00000004}, {7e-45, 0x00000005}, {8e-45, 0x00000006}, {9e-45, 0x00000006}, {1.0e-44, 0x00000007}, {1.1e-44, 0x00000008}, {1.2e-44, 0x00000009}, } { got := math.Float32bits(t.value) want := t.bits if got != want { panic(fmt.Sprintf("bits(%g) = 0x%08x; want 0x%08x", t.value, got, want)) } } }