mvdan.cc
1// Copyright 2020 The CUE Authors
2//
3// Licensed under the Apache License, Version 2.0 (the "License");
4// you may not use this file except in compliance with the License.
5// You may obtain a copy of the License at
6//
7// http://www.apache.org/licenses/LICENSE-2.0
8//
9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS,
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14
15// Copyright 2018 The Go Authors. All rights reserved.
16// Use of this source code is governed by a BSD-style
17// license that can be found in the LICENSE file.
18
19// Originally generated with: go run qgo.go -exclude= extract math/big
20
21package math
22
23import "math/big"
24
25// Exponent and precision limits.
26const (
27 MaxExp = 2147483647 // largest supported exponent
28 MinExp = -2147483648 // smallest supported exponent
29 MaxPrec = 4294967295 // largest (theoretically) supported precision; likely memory-limited
30)
31
32// These constants define supported rounding modes.
33const (
34 ToNearestEven = 0 // == IEEE 754-2008 roundTiesToEven
35 ToNearestAway = 1 // == IEEE 754-2008 roundTiesToAway
36 ToZero = 2 // == IEEE 754-2008 roundTowardZero
37 AwayFromZero = 3 // no IEEE 754-2008 equivalent
38 ToNegativeInf = 4 // == IEEE 754-2008 roundTowardNegative
39 ToPositiveInf = 5 // == IEEE 754-2008 roundTowardPositive
40)
41
42// Constants describing the Accuracy of a Float.
43const (
44 Below = -1
45 Exact = 0
46 Above = 1
47)
48
49// Jacobi returns the Jacobi symbol (x/y), either +1, -1, or 0.
50// The y argument must be an odd integer.
51func Jacobi(x, y *big.Int) int {
52 return big.Jacobi(x, y)
53}
54
55// MaxBase is the largest number base accepted for string conversions.
56const MaxBase = 62