fast-bwa/fmt_idx.c

/*
Description: 通过fmt-idx数据结构对seed过程进行加速（fm-index twice search in one time）

Copyright : All right reserved by ICT

Author : Zhang Zhonghai
Date : 2023/12/24
*/

#include <stdio.h>
#include <stdlib.h>
#include "fmt_idx.h"

// 创建fmt-index索引数据
void BuildBwtdFromBwt(bwt_t *bwt, bwtd_t **bwtd_p) {
    *bwtd_p = (bwtd_t *)malloc(sizeof(bwtd_t));
    bwtd_t *bwtd = *bwtd_p;

    const int baseLen = 12;
    const int kmerSize = 1 << (baseLen << 1);

    bwtd->kmer_range = (kmer_range_t *)malloc(kmerSize * sizeof(kmer_range_t));

    printf("kmer size: %ld M\n", kmerSize * sizeof(kmer_range_t) / 1024 / 1024);

    // exit(0);
}