💿🐜 Antkeeper source code https://antkeeper.com
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/*
* Copyright (C) 2020 Christopher J. Howard
*
* This file is part of Antkeeper source code.
*
* Antkeeper source code is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Antkeeper source code is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Antkeeper source code. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef ANTKEEPER_PHEROMONE_MATRIX_HPP
#define ANTKEEPER_PHEROMONE_MATRIX_HPP
/**
* A double-buffered matrix containing floating point pheromone strengths.
*/
struct pheromone_matrix
{
/// Number of columns in the matrix.
int columns;
/// Number of rows in the matrix.
int rows;
/// Two buffers containing pheromone strengths
float** buffers;
/// Index of the current buffer
int current;
};
/**
* Performs a convolution on a pheromone matrix.
*
* @param matrix Pointer to a pheromone matrix.
* @param kernel Convolution kernel.
* @param kernel_size Size of the kernel.
*/
void convolve(pheromone_matrix* matrix, const float* kernel, int kernel_size);
/**
* Causes all pheromones in a pheromone matrix to decrease in strength according to the specified evaporation rate.
*
* @param matrix Pointer to the pheromone matrix.
* @param factor Evaporation factor by which each pheromone strength will be multiplied.
*/
void evaporate(pheromone_matrix* matrix, float rate);
/**
* Causes all pheromones in a pheromone matrix to diffuse.
*/
void diffuse(pheromone_matrix* matrix);
#endif // ANTKEEPER_PHEROMONE_MATRIX_HPP