-
Notifications
You must be signed in to change notification settings - Fork 65
/
negate.go
49 lines (43 loc) · 1.98 KB
/
negate.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
// @generated AUTO GENERATED - DO NOT EDIT! 117d51fa2854b0184adc875246a35929bbbf0a91
// Copyright (c) 2018 Uber Technologies, Inc.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
package orderings
import (
"github.com/uber/peloton/pkg/placement/plugins/mimir/lib/model/placement"
)
// Negate will negate the given tuple.
func Negate(subExpression placement.Ordering) placement.Ordering {
return &NegateCustom{
SubExpression: subExpression,
}
}
// NegateCustom can create a tuple of floats where each tuple entry is the negation of the same tuple entry created in
// the sub-expression.
type NegateCustom struct {
SubExpression placement.Ordering
}
// Tuple returns a tuple of floats created from the group, scope groups and the entity.
func (custom *NegateCustom) Tuple(group *placement.Group, scopeSet *placement.ScopeSet, entity *placement.Entity) []float64 {
tuple := custom.SubExpression.Tuple(group, scopeSet, entity)
for i := range tuple {
tuple[i] = -tuple[i]
}
return tuple
}