src/apps/applib/include/utility.h

/*
 * Copyright 2016-2021 Uber Technologies, 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.
 */
/** @file utility.h
 * @brief   Miscellaneous functions and constants.
 */

#ifndef UTILITY_H
#define UTILITY_H

#include <stdio.h>

#include "bbox.h"
#include "coordijk.h"
#include "h3api.h"

#define BUFF_SIZE 256

/** Macro: Get the size of a fixed-size array */
#define ARRAY_SIZE(x) sizeof(x) / sizeof(x[0])

void error(const char *msg);
void h3Print(H3Index h);    // prints as integer
void h3Println(H3Index h);  // prints as integer

void coordIjkPrint(const CoordIJK *c);

void geoToStringRads(const LatLng *p, char *str);
void geoToStringDegs(const LatLng *p, char *str);
void geoToStringDegsNoFmt(const LatLng *p, char *str);

void geoPrint(const LatLng *p);
void geoPrintln(const LatLng *p);
void geoPrintNoFmt(const LatLng *p);
void geoPrintlnNoFmt(const LatLng *p);
void cellBoundaryPrint(const CellBoundary *b);
void cellBoundaryPrintln(const CellBoundary *b);
void bboxPrint(const BBox *bbox);
void bboxPrintln(const BBox *bbox);

void randomGeo(LatLng *p);

void iterateAllIndexesAtRes(int res, void (*callback)(H3Index));
void iterateAllIndexesAtResPartial(int res, void (*callback)(H3Index),
                                   int maxBaseCell);
void iterateBaseCellIndexesAtRes(int res, void (*callback)(H3Index),
                                 int baseCell);
void iterateAllDirectedEdgesAtRes(int res, void (*callback)(H3Index));

int64_t countNonNullIndexes(H3Index *indexes, int64_t numCells);

#endif