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/*************************************************************************
* Copyright (c) 2011 AT&T Intellectual Property
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-v10.html
*
* Contributors: Details at https://graphviz.org
*************************************************************************/
#pragma once
#include <util/api.h>
#ifdef __cplusplus
extern "C" {
#endif
#include <neatogen/defs.h>
#ifdef DIGCOLA
PRIVATE int compute_y_coords(vtx_data*, int, double*, int);
PRIVATE int compute_hierarchy(vtx_data*, int, double, double,
double*, int**, int**, int*);
PRIVATE int IMDS_given_dim(vtx_data*, int, double*, double*, double);
PRIVATE int stress_majorization_with_hierarchy(vtx_data*, int, double**,
node_t**, int, int, int, int, double);
#ifdef IPSEPCOLA
typedef struct ipsep_options {
int diredges; /* 1=generate directed edge constraints */
/* 2=generate directed hierarchy level constraints (DiG-CoLa) */
double edge_gap; /* amount to force vertical separation of */
/* start/end nodes */
int noverlap; /* 1=generate non-overlap constraints */
/* 2=remove overlaps after layout */
pointf gap; /* hor and vert gap to enforce when removing overlap*/
pointf* nsize; /* node widths and heights */
cluster_data clusters;
/* list of node indices for each cluster */
} ipsep_options;
/* stress majorization, for Constraint Layout */
PRIVATE int stress_majorization_cola(vtx_data*, int, double**, node_t**, int, int, int, ipsep_options*);
#endif
#endif
#ifdef __cplusplus
}
#endif
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