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22 lines
443 B
Go
22 lines
443 B
Go
// Copyright ©2015 The Gonum Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package gen
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import "gonum.org/v1/gonum/graph"
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// GraphBuilder is a graph that can have nodes and edges added.
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type GraphBuilder interface {
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Has(id int64) bool
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HasEdgeBetween(xid, yid int64) bool
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graph.Builder
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}
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func abs(a int) int {
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if a < 0 {
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return -a
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}
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return a
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}
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