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/*
* The MIT License
*
* Wavefront Alignment Algorithms
* Copyright (c) 2017 by Santiago Marco-Sola <santiagomsola@gmail.com>
*
* This file is part of Wavefront Alignment Algorithms.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* PROJECT: Wavefront Alignment Algorithms
* AUTHOR(S): Santiago Marco-Sola <santiagomsola@gmail.com>
* DESCRIPTION: Support functions for wavefront heuristic strategies
*/
#ifndef WAVEFRONT_HEURISTIC_H_
#define WAVEFRONT_HEURISTIC_H_
// Wavefront ahead definition
typedef struct _wavefront_aligner_t wavefront_aligner_t;
/*
* Wavefront Heuristics
*/
typedef enum {
wf_heuristic_none = 0x0000000000000000ul,
wf_heuristic_banded_static = 0x0000000000000001ul,
wf_heuristic_banded_adaptive = 0x0000000000000002ul,
wf_heuristic_wfadaptive = 0x0000000000000004ul,
wf_heuristic_xdrop = 0x0000000000000010ul,
wf_heuristic_zdrop = 0x0000000000000020ul,
wf_heuristic_wfmash = 0x0000000000000040ul,
} wf_heuristic_strategy;
typedef struct {
// Heuristic
wf_heuristic_strategy strategy; // Heuristic strategy
int steps_between_cutoffs; // Score-steps between heuristic cut-offs
// Static/Adaptive Banded
int min_k; // Banded: Minimum k to consider in band
int max_k; // Banded: Maximum k to consider in band
// WFAdaptive
int min_wavefront_length; // Adaptive: Minimum wavefronts length to cut-off
int max_distance_threshold; // Adaptive: Maximum distance between offsets allowed
// Drops
int xdrop; // X-drop parameter
int zdrop; // Z-drop parameter
// Internals
int steps_wait; // Score-steps until next cut-off
int max_sw_score; // Maximum score observed (for x/z drops)
int max_sw_score_offset; // Offset of the maximum score observed
int max_sw_score_k; // Diagonal of the maximum score observed
} wavefront_heuristic_t;
/*
* Setup
*/
void wavefront_heuristic_set_none(
wavefront_heuristic_t* const wf_heuristic);
void wavefront_heuristic_set_wfadaptive(
wavefront_heuristic_t* const wf_heuristic,
const int min_wavefront_length,
const int max_distance_threshold,
const int steps_between_cutoffs);
void wavefront_heuristic_set_wfmash(
wavefront_heuristic_t* const wf_heuristic,
const int min_wavefront_length,
const int max_distance_threshold,
const int steps_between_cutoffs);
void wavefront_heuristic_set_xdrop(
wavefront_heuristic_t* const wf_heuristic,
const int xdrop,
const int steps_between_cutoffs);
void wavefront_heuristic_set_zdrop(
wavefront_heuristic_t* const wf_heuristic,
const int ydrop,
const int steps_between_cutoffs);
void wavefront_heuristic_set_banded_static(
wavefront_heuristic_t* const wf_heuristic,
const int band_min_k,
const int band_max_k);
void wavefront_heuristic_set_banded_adaptive(
wavefront_heuristic_t* const wf_heuristic,
const int band_min_k,
const int band_max_k,
const int steps_between_cutoffs);
void wavefront_heuristic_clear(
wavefront_heuristic_t* const wf_heuristic);
/*
* Wavefront heuristic cut-off
*/
void wavefront_heuristic_cufoff(
wavefront_aligner_t* const wf_aligner,
const int score,
const int score_mod);
/*
* Display
*/
void wavefront_heuristic_print(
FILE* const stream,
wavefront_heuristic_t* const wf_heuristic);
#endif /* WAVEFRONT_HEURISTIC_H_ */
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