A5/GeometryUtils.h

#ifndef GEOMETRY_UTILS_H
#define GEOMETRY_UTILS_H
#include "Coordinate.h"

#include <limits>

/**
 * @brief Compares two doubles to see if they are equal, within the system
 * epsilon range
 *
 * @param first The first value to compare
 * @param second The second value to compare
 * @return true The values are equal
 * @return false The values are not equal
 */
bool double_eq(double first, double second);

/**
 * @brief Calculates the distance between two coordinate points
 *
 * @param firstPoint The first coordinate point to calculate the distance of
 * @param secondPoint The second coordinate point to compare the first to
 * @return double The pythagorean distance between the two points
 */
double calculate_distance(Coordinate& firstPoint, Coordinate& secondPoint);

/**
 * @brief Returns true if all of the side lengths in the specified array make a
 * triangle
 *
 * @param sideOne The first side to check for "triangle-ness"
 * @param sideTwo The second side to check for "triangle-ness"
 * @param sideThree The third side to check for "triangle-ness"
 *
 * @return true The side lengths do make a geometrically sound triangle
 * @return false The side lengths do not make a geometrically sound triangle
 */
bool lengths_make_triangle(double sideOne, double sideTwo, double sideThree);

#endif // GEOMETRY_UTILS_H