-
Notifications
You must be signed in to change notification settings - Fork 158
/
utils.go
79 lines (68 loc) · 1.65 KB
/
utils.go
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
// Copyright 2020 ConsenSys Software Inc.
//
// 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.
// Code generated by consensys/gnark-crypto DO NOT EDIT
package iop
import (
"github.com/consensys/gnark-crypto/ecc/bls12-377/fr"
)
//----------------------------------------------------
// exp functions until 5
func exp0(x fr.Element) fr.Element {
var res fr.Element
res.SetOne()
return res
}
func exp1(x fr.Element) fr.Element {
return x
}
func exp2(x fr.Element) fr.Element {
return *x.Square(&x)
}
func exp3(x fr.Element) fr.Element {
var res fr.Element
res.Square(&x).Mul(&res, &x)
return res
}
func exp4(x fr.Element) fr.Element {
x.Square(&x).Square(&x)
return x
}
func exp5(x fr.Element) fr.Element {
var res fr.Element
res.Square(&x).Square(&res).Mul(&res, &x)
return res
}
// doesn't return any errors, it is a private method, that
// is assumed to be called with correct arguments.
func smallExp(x fr.Element, n int) fr.Element {
if n == 0 {
return exp0(x)
}
if n == 1 {
return exp1(x)
}
if n == 2 {
return exp2(x)
}
if n == 3 {
return exp3(x)
}
if n == 4 {
return exp4(x)
}
if n == 5 {
return exp5(x)
}
return fr.Element{}
}