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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
-
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