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homo_v2.1.cpp
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homo_v2.1.cpp
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/////////////////////////////////////////////////////////////////////////////////
// Program name : homo.cpp
//
// Version : See VERSION under DECLARATION OF EXTERNAL VARIABLES
//
// Author : Lars S Jermiin
//
// Institutions : Australian National University
// Research School of Biology
// Acton, ACT 2601, Australia
//
// Univerity College Dublin
// School of Biology & Environmental Science
// Belfield, Dublin 4, Ireland
//
// Emails : lars.jermiin [at] anu.edu.au
// lars.jermiin [at] ucd.ie
//
// URL : https://github.com/lsjermiin/Homo2.1
//
// Date begun : 14 April, 2019
//
// Date modified : 19 February, 2023
//
// Copyright : Copyright © 2019-23 Lars Sommer Jermiin.
// All rights reserved.
//
// Responsibility : The copyright holder takes no legal responsibility for
// the correctness of results obtained using this program.
//
// Summary : Homo is designed to conduct the matched-pairs test of
// symmetry (Bowker 1948) for alignments of:
//
// 1 Nucleotides (A|C|G|T) (4 states)
// 2 Nucleotides recoded CTR = (C|T|AG) (3 states)
// 3 Nucleotides recoded AGY = (A|G|CT) (3 states)
// 4 Nucleotides recoded ATS = (A|T|CG) (3 states)
// 5 Nucleotides recoded CGW = (C|G|AT) (3 states)
// 6 Nucleotides recoded ACK = (A|C|GT) (3 states)
// 7 Nucleotides recoded GTM = (G|T|AC) (3 states)
// 8 Nucleotides recoded KM = (GT|AC) (2 states)
// 9 Nucleotides recoded RY = (AG|CT) (2 states)
// 10 Nucleotides recoded SW = (GC|AT) (2 states)
// 11 Nucleotides recoded AB = (A|CGT) (2 states)
// 12 Nucleotides recoded CD = (C|AGT) (2 states)
// 13 Nucleotides recoded GH = (G|ACT) (2 states)
// 14 Nucleotides recoded TV = (T|ACG) (2 states)
// 15 Di-nucleotides (AA|AC|...|TG|TT) (16 states)
// 16 Di-nucleotides 1st position (A|C|G|T) (4 states)
// 17 Di-nucleotides 2nd position (A|C|G|T) (4 states)
// 18 Codons (AAA|AAC|...|TTG|TTT) (64 states)
// 19 Codons 1st + 2nd positions (AA|AC|...|TG|TT) (16 states)
// 20 Codons 1st + 3rd positions (AA|AC|...|TG|TT) (16 states)
// 21 Codons 2nd + 3rd positions (AA|AC|...|TG|TT) (16 states)
// 22 Codons 1st + 2nd positions (A|C|G|T) (4 states)
// 23 Codons 1st + 3rd positions (A|C|G|T) (4 states)
// 24 Codons 2nd + 3rd positions (A|C|G|T) (4 states)
// 25 Codons 1st position (A|C|G|T) (4 states)
// 26 Codons 2nd position (A|C|G|T) (4 states)
// 27 Codons 3rd position (A|C|G|T) (4 states)
// 28 10-state genotype data (A|C|G|T|K|M|R|Y|S|W) (10 states)
// 29 14-state genotype data (A|C|G|T|K|M|R|Y|S|W|B|D|H|V) (14 states)
// 30 Amino acids (A|G|P|S|T|D|E|N|Q|H|K|R|M|I|V|L|W|F|Y|C) (20 states)
// 31 Recoded amino acids Dayhoff-6 = (AGPST|DENQ|HKR|MIVL|WFY|C) (6 states)
//
// For each pair of sequences, Homo generates a P value (i.e., the
// probability of getting a chi-square distributed random variable
// that equals or exceeds the observed test statistic.
//
// The multiple comparison problem is dealt with by controlling the
// the family-wise error rate and the false discovery rate.
//
// For each type of data, Homo also computes four distances:
// * p distance
// * Compositional distance (using Bowker's test statistic)
// * Compositional distance (using Euclidean's metric - full symmetry)
// * Compositional distance (using Euclidean's metric - marginal symmetry)
//
// The input for each distance is the data in a divergence
// matrix.
//
// Data : Sequences must be stored in the FASTA format.
//
// Processing : Characters are converted to integers to speed up the
// program.
//
// Nucleotides : Alphabet: [A,C.G,T/U,-] = [0,1,2,3,4].
//
// Ambiguous characters (i.e., ?, N, B, D, H, K, M, R, S,
// V, W and Y) are treated as if they were alignment gaps
// (-) (i.e., as missing data).
//
// 10-state genotypes : Alphabet: [A,C,G,K,M,R,S,T/U,W,Y,-] =
// [0,1,2,3,4,5,6,7,8,9,10].
//
// Ambiguous characters (i.e., ?, N, B, D, G and V) are
// treated as if they were alignment gaps (-) (i.e., as
// missing data).
//
// 14-state genotypes : Alphabet: [A,C,G,T/U,K,M,R,S,W,Y,B,D,H,V,-] =
// [0,1,2,3,4,5,6,7,8,9,10,11,12,13,14].
//
// Ambiguous characters (i.e., ? and N) are treated as if
// they were alignment gaps (-) (i.e., as missing data).
//
// Amino acids : Alphabet: [A,C,D,E,F,G,H,I,K,L,M,N,P,Q,R,S,T,V,W,Y,-] =
// [0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20]
//
// Ambiguous characters (i.e., ?, X and Z) are treated as
// if they were alignment gaps (-) (i.e., as missing data).
//
// Manuscript : Jermiin et al. (2022).
// On making sense of multiple P values from matched-pairs
// tests of homogeneity for pairs of homologous sequences.
// Syst. Biol. (in prep.)
//
// References : Benjamini Y., Yekutieli D. (2001). The control of false
// discovery rate in multiple testing under dependency. Ann.
// Statist. 29, 1165-1188
//
// Bonferroni C. E. (1936). Teoria statistica delle classi e
// calcolo delle probabilità. Pubblicazioni del R Istituto
// Superiore di Scienze Economiche e Commerciali di Firenze
// 8, 3-62.
//
// Bowker A. H. (1948). A test of symmetry in contingency
// tables. J. Am. Stat. Assoc. 43, 572-574.
//
// Holm S. (1979). A simple sequentially rejective multiple
// test procedure. Scand. J. Stat. 6, 65-70.
//
// Revisions/debugs : 19 Oct 2021
// Scaled d_cfs (i.e. d_cfs = d_cfs/sum_dm) so the value is
// given per site.
//
// 5 Mar 2022
// Corrected compositional distance d_Bowker
//
// 27 Feb 2022 - 25 Mar 2022
// Major redesign of the main function to include methods to
// control the family-wise error rate (FWER) as well as the
// false discovery rate (FDR)
//
// 8 Feb 2023
// Added sequence names associated with max(p) and min(P) to
// output (Brief [B])
//
// 19 Feb 2023
// Count and report the number of variant sites
/////////////////////////////////////////////////////////////////////////////////
#include <cctype>
#include <cmath>
#include <limits>
#include <iomanip>
#include <string>
#include <vector>
#include <fstream>
#include <iostream>
#define SQR(a) ((a) * (a))
using namespace std;
using std::string;
using std::vector;
using std::cin;
using std::cout;
using std::cerr;
using std::endl;
// DECLARATION OF EXTERNAL VARIABLES
// The following variables are declared here as they are needed in different functions
const unsigned TWO(2); // for 2-state alphabet (recoded DNA)
const unsigned THREE(3); // for 3-state alphabet (recoded DNA)
const unsigned FOUR(4); // for 4-state alphabet (DNA)
const unsigned SIX(6); // for 6-state alphabet (recoded amino acids)
const unsigned TEN(10); // for 10-state alphabet (genotype data)
const unsigned FOURTEEN(14); // for 14-state alphabet (genotype data)
const unsigned SIXTEEN(16); // for 16-state alphabet (subset of codons)
const unsigned TWENTY(20); // for 20-state alphabet (amino acids)
const unsigned SIXTYFOUR(64); // for 64-state alphabet (codons)
const unsigned max_array(65); // corresponding to codons & gaps
const double VERSION(2.1); // version number
vector<string> taxon; // 2D container for sequence names
vector<vector<int> > alignment; // 2D container for sequence data
// DECLARATION OF FUNCTIONS
// This function translates a string of characters into a vector of integers
vector<int> Translator(unsigned datatype, string seq) {
int unit; // integer for singlet, duplet or triplet (codon)
string duplet(""), triplet(""); // strings for dinucleotides and codons
vector<int> seq_data;
switch (datatype) {
case 1: // Nucleotides (A|C|G|T)
for (string::size_type i = 0; i != seq.size(); ++i) {
switch (toupper(seq[i])) {
case 'A': seq_data.push_back(0); break;
case 'C': seq_data.push_back(1); break;
case 'G': seq_data.push_back(2); break;
case 'T': seq_data.push_back(3); break;
case 'U': seq_data.push_back(3); break;
default : seq_data.push_back(4); break; // In case of other characters
}
}
break;
case 2: // Nucleotides (C|T|R)
for (string::size_type i = 0; i != seq.size(); ++i) {
switch (toupper(seq[i])) {
case 'C': seq_data.push_back(0); break;
case 'T': seq_data.push_back(1); break;
case 'U': seq_data.push_back(1); break;
case 'A': seq_data.push_back(2); break;
case 'G': seq_data.push_back(2); break;
case 'R': seq_data.push_back(2); break;
default : seq_data.push_back(3); break; // In case of other characters
}
}
break;
case 3: // Nucleotides (A|G|Y)
for (string::size_type i = 0; i != seq.size(); ++i) {
switch (toupper(seq[i])) {
case 'A': seq_data.push_back(0); break;
case 'G': seq_data.push_back(1); break;
case 'C': seq_data.push_back(2); break;
case 'T': seq_data.push_back(2); break;
case 'U': seq_data.push_back(2); break;
case 'Y': seq_data.push_back(2); break;
default : seq_data.push_back(3); break; // In case of other characters
}
}
break;
case 4: // Nucleotides (A|T|S)
for (string::size_type i = 0; i != seq.size(); ++i) {
switch (toupper(seq[i])) {
case 'A': seq_data.push_back(0); break;
case 'T': seq_data.push_back(1); break;
case 'U': seq_data.push_back(1); break;
case 'G': seq_data.push_back(2); break;
case 'C': seq_data.push_back(2); break;
case 'S': seq_data.push_back(2); break;
default : seq_data.push_back(3); break; // In case of other characters
}
}
break;
case 5: // Nucleotides (C|G|W)
for (string::size_type i = 0; i != seq.size(); ++i) {
switch (toupper(seq[i])) {
case 'C': seq_data.push_back(0); break;
case 'G': seq_data.push_back(1); break;
case 'A': seq_data.push_back(2); break;
case 'T': seq_data.push_back(2); break;
case 'U': seq_data.push_back(2); break;
case 'W': seq_data.push_back(2); break;
default : seq_data.push_back(3); break; // In case of other characters
}
}
break;
case 6: // Nucleotides (A|C|K)
for (string::size_type i = 0; i != seq.size(); ++i) {
switch (toupper(seq[i])) {
case 'A': seq_data.push_back(0); break;
case 'C': seq_data.push_back(1); break;
case 'G': seq_data.push_back(2); break;
case 'T': seq_data.push_back(2); break;
case 'U': seq_data.push_back(2); break;
case 'K': seq_data.push_back(2); break;
default : seq_data.push_back(3); break; // In case of other characters
}
}
break;
case 7: // Nucleotides (G|T|M)
for (string::size_type i = 0; i != seq.size(); ++i) {
switch (toupper(seq[i])) {
case 'G': seq_data.push_back(0); break;
case 'T': seq_data.push_back(1); break;
case 'U': seq_data.push_back(1); break;
case 'A': seq_data.push_back(2); break;
case 'C': seq_data.push_back(2); break;
case 'M': seq_data.push_back(2); break;
default : seq_data.push_back(3); break; // In case of other characters
}
}
break;
case 8: // Nucleotides (K|M)
for (string::size_type i = 0; i != seq.size(); ++i) {
switch (toupper(seq[i])) {
case 'G': seq_data.push_back(0); break;
case 'T': seq_data.push_back(0); break;
case 'U': seq_data.push_back(0); break;
case 'K': seq_data.push_back(0); break;
case 'A': seq_data.push_back(1); break;
case 'C': seq_data.push_back(1); break;
case 'M': seq_data.push_back(1); break;
default : seq_data.push_back(2); break; // In case of other characters
}
}
break;
case 9: // Nucleotides (R|Y)
for (string::size_type i = 0; i != seq.size(); ++i) {
switch (toupper(seq[i])) {
case 'A': seq_data.push_back(0); break;
case 'G': seq_data.push_back(0); break;
case 'R': seq_data.push_back(0); break;
case 'T': seq_data.push_back(1); break;
case 'U': seq_data.push_back(1); break;
case 'C': seq_data.push_back(1); break;
case 'Y': seq_data.push_back(1); break;
default : seq_data.push_back(2); break; // In case of other characters
}
}
break;
case 10: // Nucleotides (S|W)
for (string::size_type i = 0; i != seq.size(); ++i) {
switch (toupper(seq[i])) {
case 'C': seq_data.push_back(0); break;
case 'G': seq_data.push_back(0); break;
case 'R': seq_data.push_back(0); break;
case 'T': seq_data.push_back(1); break;
case 'A': seq_data.push_back(1); break;
case 'U': seq_data.push_back(1); break;
case 'Y': seq_data.push_back(1); break;
default : seq_data.push_back(2); break; // In case of other characters
}
}
break;
case 11: // Nucleotides (A|B)
for (string::size_type i = 0; i != seq.size(); ++i) {
switch (toupper(seq[i])) {
case 'A': seq_data.push_back(0); break;
case 'C': seq_data.push_back(1); break;
case 'G': seq_data.push_back(1); break;
case 'T': seq_data.push_back(1); break;
case 'U': seq_data.push_back(1); break;
case 'B': seq_data.push_back(1); break;
default : seq_data.push_back(2); break; // In case of other characters
}
}
break;
case 12: // Nucleotides (C|D)
for (string::size_type i = 0; i != seq.size(); ++i) {
switch (toupper(seq[i])) {
case 'C': seq_data.push_back(0); break;
case 'A': seq_data.push_back(1); break;
case 'G': seq_data.push_back(1); break;
case 'T': seq_data.push_back(1); break;
case 'U': seq_data.push_back(1); break;
case 'D': seq_data.push_back(1); break;
default : seq_data.push_back(2); break; // In case of other characters
}
}
break;
case 13: // Nucleotides (G|H)
for (string::size_type i = 0; i != seq.size(); ++i) {
switch (toupper(seq[i])) {
case 'G': seq_data.push_back(0); break;
case 'A': seq_data.push_back(1); break;
case 'C': seq_data.push_back(1); break;
case 'T': seq_data.push_back(1); break;
case 'U': seq_data.push_back(1); break;
case 'H': seq_data.push_back(1); break;
default : seq_data.push_back(2); break; // In case of other characters
}
}
break;
case 14: // Nucleotides (T|V)
for (string::size_type i = 0; i != seq.size(); ++i) {
switch (toupper(seq[i])) {
case 'T': seq_data.push_back(0); break;
case 'U': seq_data.push_back(0); break;
case 'A': seq_data.push_back(1); break;
case 'C': seq_data.push_back(1); break;
case 'G': seq_data.push_back(1); break;
case 'V': seq_data.push_back(1); break;
default : seq_data.push_back(2); break; // In case of other characters
}
}
break;
case 15: // Di-nucleotides (AA|AC|..|TG|TT)
// Check length
for (string::size_type i = 0; i != seq.size(); i = i + 2) {
for (string::size_type j = i; j != i + 2; j++) {
switch (toupper(seq[j])) {
case 'A': duplet.push_back('0'); break;
case 'C': duplet.push_back('1'); break;
case 'G': duplet.push_back('2'); break;
case 'T': duplet.push_back('3'); break;
case 'U': duplet.push_back('3'); break;
default : duplet.push_back('4'); break;
}
}
unit = stoi(duplet);
duplet.clear();
switch (unit) {
case 00: seq_data.push_back(0); break; // AA
case 01: seq_data.push_back(1); break; // AC
case 02: seq_data.push_back(2); break; // AG
case 03: seq_data.push_back(3); break; // AT
case 10: seq_data.push_back(4); break; // CA
case 11: seq_data.push_back(5); break; // CC
case 12: seq_data.push_back(6); break; // CG
case 13: seq_data.push_back(7); break; // CT
case 20: seq_data.push_back(8); break; // GA
case 21: seq_data.push_back(9); break; // GC
case 22: seq_data.push_back(10); break; // GG
case 23: seq_data.push_back(11); break; // GT
case 30: seq_data.push_back(12); break; // TA
case 31: seq_data.push_back(13); break; // TC
case 32: seq_data.push_back(14); break; // TG
case 33: seq_data.push_back(15); break; // TT
default: seq_data.push_back(16); break; // In case of other characters
}
}
break;
case 16: // Di-nucleotides 1st position (A|C|G|T)
// Check length
for (string::size_type i = 0; i != seq.size(); i = i + 2) {
switch (toupper(seq[i])) {
case 'A' : seq_data.push_back(0); break; // 1st A
case 'C' : seq_data.push_back(1); break; // 1st C
case 'G' : seq_data.push_back(2); break; // 1st G
case 'T' : seq_data.push_back(3); break; // 1st T
default : seq_data.push_back(4); break; // In case of other characters
}
}
break;
case 17: // Di-nucleotides 2nd position (A|C|G|T)
// Check length
for (string::size_type i = 0; i != seq.size(); i = i + 2) {
switch (toupper(seq[i+1])) {
case 'A' : seq_data.push_back(0); break; // 2nd A
case 'C' : seq_data.push_back(1); break; // 2nd C
case 'G' : seq_data.push_back(2); break; // 2nd G
case 'T' : seq_data.push_back(3); break; // 2nd T
default : seq_data.push_back(4); break; // In case of other characters
}
}
break;
case 18: // Codons (AAA|AAC|...|TTG|TTT)
// Check length
for (string::size_type i = 0; i != seq.size(); i = i + 3) {
for (string::size_type j = i; j != i + 3; j++) {
switch (toupper(seq[j])) {
case 'A': triplet.push_back('0'); break;
case 'C': triplet.push_back('1'); break;
case 'G': triplet.push_back('2'); break;
case 'T': triplet.push_back('3'); break;
case 'U': triplet.push_back('3'); break;
default : triplet.push_back('4'); break;
}
}
unit = stoi(triplet);
triplet.clear();
switch (unit) {
case 000: seq_data.push_back(0); break; // AAA
case 001: seq_data.push_back(1); break; // AAC
case 002: seq_data.push_back(2); break; // AAG
case 003: seq_data.push_back(3); break; // AAT
case 010: seq_data.push_back(4); break; // ACA
case 011: seq_data.push_back(5); break; // ACC
case 012: seq_data.push_back(6); break; // ACG
case 013: seq_data.push_back(7); break; // ACT
case 020: seq_data.push_back(8); break; // AGA
case 021: seq_data.push_back(9); break; // AGC
case 022: seq_data.push_back(10); break; // AGG
case 023: seq_data.push_back(11); break; // AGT
case 030: seq_data.push_back(12); break; // ATA
case 031: seq_data.push_back(13); break; // ATC
case 032: seq_data.push_back(14); break; // ATG
case 033: seq_data.push_back(15); break; // ATT
case 100: seq_data.push_back(16); break; // CAA
case 101: seq_data.push_back(17); break; // CAC
case 102: seq_data.push_back(18); break; // CAG
case 103: seq_data.push_back(19); break; // CAT
case 110: seq_data.push_back(20); break; // CCA
case 111: seq_data.push_back(21); break; // CCC
case 112: seq_data.push_back(22); break; // CCG
case 113: seq_data.push_back(23); break; // CCT
case 120: seq_data.push_back(24); break; // CGA
case 121: seq_data.push_back(25); break; // CGC
case 122: seq_data.push_back(26); break; // CGG
case 123: seq_data.push_back(27); break; // CGT
case 130: seq_data.push_back(28); break; // CTA
case 131: seq_data.push_back(29); break; // CTC
case 132: seq_data.push_back(30); break; // CTG
case 133: seq_data.push_back(31); break; // CTT
case 200: seq_data.push_back(32); break; // GAA
case 201: seq_data.push_back(33); break; // GAC
case 202: seq_data.push_back(34); break; // GAG
case 203: seq_data.push_back(35); break; // GAT
case 210: seq_data.push_back(36); break; // GCA
case 211: seq_data.push_back(37); break; // GCC
case 212: seq_data.push_back(38); break; // GCG
case 213: seq_data.push_back(39); break; // GCT
case 220: seq_data.push_back(40); break; // GGA
case 221: seq_data.push_back(41); break; // GGC
case 222: seq_data.push_back(42); break; // GGG
case 223: seq_data.push_back(43); break; // GGT
case 230: seq_data.push_back(44); break; // GTA
case 231: seq_data.push_back(45); break; // GTC
case 232: seq_data.push_back(46); break; // GTG
case 233: seq_data.push_back(47); break; // GTT
case 300: seq_data.push_back(48); break; // TAA
case 301: seq_data.push_back(49); break; // TAC
case 302: seq_data.push_back(50); break; // TAG
case 303: seq_data.push_back(51); break; // TAT
case 310: seq_data.push_back(52); break; // TCA
case 311: seq_data.push_back(53); break; // TCC
case 312: seq_data.push_back(54); break; // TCG
case 313: seq_data.push_back(55); break; // TCT
case 320: seq_data.push_back(56); break; // TGA
case 321: seq_data.push_back(57); break; // TGC
case 322: seq_data.push_back(58); break; // TGG
case 323: seq_data.push_back(59); break; // TGT
case 330: seq_data.push_back(60); break; // TTA
case 331: seq_data.push_back(61); break; // TTC
case 332: seq_data.push_back(62); break; // TTG
case 333: seq_data.push_back(63); break; // TTT
default: seq_data.push_back(64); break; // In case of other characters
}
}
break;
case 19: // Codons 1st + 2nd positions (AA|AC|...|TG|TT)
// Check length
for (string::size_type i = 0; i != seq.size(); i = i + 3) {
for (string::size_type j = i; j != i + 3; j++) {
switch (toupper(seq[j])) {
case 'A': triplet.push_back('0'); break;
case 'C': triplet.push_back('1'); break;
case 'G': triplet.push_back('2'); break;
case 'T': triplet.push_back('3'); break;
case 'U': triplet.push_back('3'); break;
default : triplet.push_back('4'); break;
}
}
triplet.erase(2,1);
unit = stoi(triplet);
triplet.clear();
switch (unit) {
case 00: seq_data.push_back(0); break; // AA
case 01: seq_data.push_back(1); break; // AC
case 02: seq_data.push_back(2); break; // AG
case 03: seq_data.push_back(3); break; // AT
case 10: seq_data.push_back(4); break; // CA
case 11: seq_data.push_back(5); break; // CC
case 12: seq_data.push_back(6); break; // CG
case 13: seq_data.push_back(7); break; // CT
case 20: seq_data.push_back(8); break; // GA
case 21: seq_data.push_back(9); break; // GC
case 22: seq_data.push_back(10); break; // GG
case 23: seq_data.push_back(11); break; // GT
case 30: seq_data.push_back(12); break; // TA
case 31: seq_data.push_back(13); break; // TC
case 32: seq_data.push_back(14); break; // TG
case 33: seq_data.push_back(15); break; // TT
default: seq_data.push_back(16); break; // In case of other characters
}
}
break;
case 20: // Codons 1st + 3rd positions (AA|AC|...|TG|TT)
// Check length
for (string::size_type i = 0; i != seq.size(); i = i + 3) {
for (string::size_type j = i; j != i + 3; j++) {
switch (toupper(seq[j])) {
case 'A': triplet.push_back('0'); break;
case 'C': triplet.push_back('1'); break;
case 'G': triplet.push_back('2'); break;
case 'T': triplet.push_back('3'); break;
case 'U': triplet.push_back('3'); break;
default : triplet.push_back('4'); break;
}
}
triplet.erase(1,1);
unit = stoi(triplet);
triplet.clear();
switch (unit) {
case 00: seq_data.push_back(0); break; // AA
case 01: seq_data.push_back(1); break; // AC
case 02: seq_data.push_back(2); break; // AG
case 03: seq_data.push_back(3); break; // AT
case 10: seq_data.push_back(4); break; // CA
case 11: seq_data.push_back(5); break; // CC
case 12: seq_data.push_back(6); break; // CG
case 13: seq_data.push_back(7); break; // CT
case 20: seq_data.push_back(8); break; // GA
case 21: seq_data.push_back(9); break; // GC
case 22: seq_data.push_back(10); break; // GG
case 23: seq_data.push_back(11); break; // GT
case 30: seq_data.push_back(12); break; // TA
case 31: seq_data.push_back(13); break; // TC
case 32: seq_data.push_back(14); break; // TG
case 33: seq_data.push_back(15); break; // TT
default: seq_data.push_back(16); break; // In case of other characters
}
}
break;
case 21: // Codons 2nd + 3rd positions (AA|AC|...|TG|TT)
// Check length
for (string::size_type i = 0; i != seq.size(); i = i + 3) {
for (string::size_type j = i; j != i + 3; j++) {
switch (toupper(seq[j])) {
case 'A': triplet.push_back('0'); break;
case 'C': triplet.push_back('1'); break;
case 'G': triplet.push_back('2'); break;
case 'T': triplet.push_back('3'); break;
case 'U': triplet.push_back('3'); break;
default : triplet.push_back('4'); break;
}
}
triplet.erase(0,1);
unit = stoi(triplet);
triplet.clear();
switch (unit) {
case 00: seq_data.push_back(0); break; // AA
case 01: seq_data.push_back(1); break; // AC
case 02: seq_data.push_back(2); break; // AG
case 03: seq_data.push_back(3); break; // AT
case 10: seq_data.push_back(4); break; // CA
case 11: seq_data.push_back(5); break; // CC
case 12: seq_data.push_back(6); break; // CG
case 13: seq_data.push_back(7); break; // CT
case 20: seq_data.push_back(8); break; // GA
case 21: seq_data.push_back(9); break; // GC
case 22: seq_data.push_back(10); break; // GG
case 23: seq_data.push_back(11); break; // GT
case 30: seq_data.push_back(12); break; // TA
case 31: seq_data.push_back(13); break; // TC
case 32: seq_data.push_back(14); break; // TG
case 33: seq_data.push_back(15); break; // TT
default: seq_data.push_back(16); break; // In case of other characters
}
}
break;
case 22: // Codons 1st + 2nd positions (A|C|G|T)
// Check length
for (string::size_type i = 0; i != seq.size(); i = i + 3) {
for (string::size_type j = i; j != i + 3; j++) {
if (j == i || j == i + 1) {
switch (toupper(seq[j])) {
case 'A': seq_data.push_back(0); break;
case 'C': seq_data.push_back(1); break;
case 'G': seq_data.push_back(2); break;
case 'T': seq_data.push_back(3); break;
case 'U': seq_data.push_back(3); break;
default : seq_data.push_back(4); break;
}
}
}
}
break;
case 23: // Codons 1st + 3rd positions (A|C|G|T)
// Check length
for (string::size_type i = 0; i != seq.size(); i = i + 3) {
for (string::size_type j = i; j != i + 3; j++) {
if (j == i || j == i + 2) {
switch (toupper(seq[j])) {
case 'A': seq_data.push_back(0); break;
case 'C': seq_data.push_back(1); break;
case 'G': seq_data.push_back(2); break;
case 'T': seq_data.push_back(3); break;
case 'U': seq_data.push_back(3); break;
default : seq_data.push_back(4); break;
}
}
}
}
break;
case 24: // Codons 2nd + 3rd positions (A|C|G|T)
// Check length
for (string::size_type i = 0; i != seq.size(); i = i + 3) {
for (string::size_type j = i; j != i + 3; j++) {
if (j == i + 1 || j == i + 2) {
switch (toupper(seq[j])) {
case 'A': seq_data.push_back(0); break;
case 'C': seq_data.push_back(1); break;
case 'G': seq_data.push_back(2); break;
case 'T': seq_data.push_back(3); break;
case 'U': seq_data.push_back(3); break;
default : seq_data.push_back(4); break;
}
}
}
}
break;
case 25: // Codons 1st position (A|C|G|T)
// Check length
for (string::size_type i = 0; i != seq.size(); i = i + 3) {
for (string::size_type j = i; j != i + 3; j++) {
switch (toupper(seq[j])) {
case 'A': triplet.push_back('0'); break;
case 'C': triplet.push_back('1'); break;
case 'G': triplet.push_back('2'); break;
case 'T': triplet.push_back('3'); break;
case 'U': triplet.push_back('3'); break;
default : triplet.push_back('4'); break;
}
}
triplet.erase(2,1);
triplet.erase(1,1);
unit = stoi(triplet);
triplet.clear();
switch (unit) {
case 0: seq_data.push_back(0); break;
case 1: seq_data.push_back(1); break;
case 2: seq_data.push_back(2); break;
case 3: seq_data.push_back(3); break;
default : seq_data.push_back(4); break; // In case of other characters
}
}
break;
case 26: // Codons 2nd position (A|C|G|T)
// Check length
for (string::size_type i = 0; i != seq.size(); i = i + 3) {
for (string::size_type j = i; j != i + 3; j++) {
switch (toupper(seq[j])) {
case 'A': triplet.push_back('0'); break;
case 'C': triplet.push_back('1'); break;
case 'G': triplet.push_back('2'); break;
case 'T': triplet.push_back('3'); break;
case 'U': triplet.push_back('3'); break;
default : triplet.push_back('4'); break;
}
}
triplet.erase(2,1);
triplet.erase(0,1);
unit = stoi(triplet);
triplet.clear();
switch (unit) {
case 0: seq_data.push_back(0); break;
case 1: seq_data.push_back(1); break;
case 2: seq_data.push_back(2); break;
case 3: seq_data.push_back(3); break;
default : seq_data.push_back(4); break; // In case of other characters
}
}
break;
case 27: // Codons 3rd position (A|C|G|T)
// Check length
for (string::size_type i = 0; i != seq.size(); i = i + 3) {
for (string::size_type j = i; j != i + 3; j++) {
switch (toupper(seq[j])) {
case 'A': triplet.push_back('0'); break;
case 'C': triplet.push_back('1'); break;
case 'G': triplet.push_back('2'); break;
case 'T': triplet.push_back('3'); break;
case 'U': triplet.push_back('3'); break;
default : triplet.push_back('4'); break;
}
}
triplet.erase(1,1);
triplet.erase(0,1);
unit = stoi(triplet);
triplet.clear();
switch (unit) {
case 0: seq_data.push_back(0); break;
case 1: seq_data.push_back(1); break;
case 2: seq_data.push_back(2); break;
case 3: seq_data.push_back(3); break;
default : seq_data.push_back(4); break; // In case of other characters
}
}
break;
case 28: // 10-state genotype data
for (string::size_type i = 0; i != seq.size(); ++i) {
switch (toupper(seq[i])) {
case 'A': seq_data.push_back(0); break;
case 'C': seq_data.push_back(1); break;
case 'G': seq_data.push_back(2); break;
case 'T': seq_data.push_back(3); break;
case 'U': seq_data.push_back(3); break;
case 'K': seq_data.push_back(4); break;
case 'M': seq_data.push_back(5); break;
case 'R': seq_data.push_back(6); break;
case 'Y': seq_data.push_back(7); break;
case 'S': seq_data.push_back(8); break;
case 'W': seq_data.push_back(9); break;
default : seq_data.push_back(10);break; // In case of other characters
}
}
break;
case 29: // 14-state genotype data
for (string::size_type i = 0; i != seq.size(); ++i) {
switch (toupper(seq[i])) {
case 'A': seq_data.push_back(0); break;
case 'C': seq_data.push_back(1); break;
case 'G': seq_data.push_back(2); break;
case 'T': seq_data.push_back(3); break;
case 'U': seq_data.push_back(3); break;
case 'K': seq_data.push_back(4); break;
case 'M': seq_data.push_back(5); break;
case 'R': seq_data.push_back(6); break;
case 'Y': seq_data.push_back(7); break;
case 'S': seq_data.push_back(8); break;
case 'W': seq_data.push_back(9); break;
case 'B': seq_data.push_back(10);break;
case 'D': seq_data.push_back(11);break;
case 'H': seq_data.push_back(12);break;
case 'V': seq_data.push_back(13);break;
default : seq_data.push_back(14);break; // In case of other characters
}
}
break;
case 30: // amino acids (A|G|P|S|T|D|E|N|Q|H|K|R|M|I|V|L|W|F|Y|C)
for (string::size_type i = 0; i != seq.size(); ++i) {
switch (toupper(seq[i])) {
case 'A': seq_data.push_back(0); break;
case 'C': seq_data.push_back(1); break;
case 'D': seq_data.push_back(2); break;
case 'E': seq_data.push_back(3); break;
case 'F': seq_data.push_back(4); break;
case 'G': seq_data.push_back(5); break;
case 'H': seq_data.push_back(6); break;
case 'I': seq_data.push_back(7); break;
case 'K': seq_data.push_back(8); break;
case 'L': seq_data.push_back(9); break;
case 'M': seq_data.push_back(10);break;
case 'N': seq_data.push_back(11);break;
case 'P': seq_data.push_back(12);break;
case 'Q': seq_data.push_back(13);break;
case 'R': seq_data.push_back(14);break;
case 'S': seq_data.push_back(15);break;
case 'T': seq_data.push_back(16);break;
case 'V': seq_data.push_back(17);break;
case 'W': seq_data.push_back(18);break;
case 'Y': seq_data.push_back(19);break;
default : seq_data.push_back(20);break; // In case of other characters
}
}
break;
default: // Dayhoff-6 (AGPST|DENQ|HKR|MIVL|WFY|C)
for (string::size_type i = 0; i != seq.size(); ++i) {
switch (toupper(seq[i])) {
case 'A': seq_data.push_back(0); break;
case 'G': seq_data.push_back(0); break;
case 'P': seq_data.push_back(0); break;
case 'S': seq_data.push_back(0); break;
case 'T': seq_data.push_back(0); break;
case 'D': seq_data.push_back(1); break;
case 'E': seq_data.push_back(1); break;
case 'N': seq_data.push_back(1); break;
case 'Q': seq_data.push_back(1); break;
case 'H': seq_data.push_back(2); break;
case 'K': seq_data.push_back(2); break;
case 'R': seq_data.push_back(2); break;
case 'M': seq_data.push_back(3); break;
case 'I': seq_data.push_back(3); break;
case 'L': seq_data.push_back(3); break;
case 'V': seq_data.push_back(3); break;
case 'F': seq_data.push_back(4); break;
case 'W': seq_data.push_back(4); break;
case 'Y': seq_data.push_back(4); break;
case 'C': seq_data.push_back(5); break;
default : seq_data.push_back(6); break; // In case of other characters
}
}
break;
}
return(seq_data);
}
// Function that reads input file and stores data in two 2D containers
void Read_Input(string inname, unsigned datatype){
unsigned long alignment_length(0);
unsigned long counter(0);
string seq(""), str(""), tmp(""); // temporary string used to store input
vector<int> sequence; // temporary vector used to store input
ifstream infile;
infile.open(inname.c_str());
if (!infile) {
cerr << "Program aborted due to error: input file not found" << endl;
exit(1);
}
while (getline(infile, str)) {
if (!str.empty()) {
// remove blank space in string
tmp.clear();
for (std::string::size_type i = 0; i != str.size(); ++i) {
if (!isblank(str[i])) {
tmp.push_back(str[i]);
}
}
if (tmp[0] == '>') {
if (seq.size() > 0) {
if (datatype > 14 && datatype < 18) {
if (seq.size() % 2 != 0) {
std::cerr << "\nERROR: expected sequence of di-nucleotides" << "\n" << std::endl;
exit(1);
}
}
if (datatype > 17 && datatype < 28) {
if (seq.size() % 3 != 0) {
std::cerr << "\nERROR: expected sequence of codons" << "\n" << std::endl;
exit(1);
}
}
sequence = Translator(datatype, seq);
alignment.push_back(sequence); // stores sequence in vector
if (alignment_length == 0)
alignment_length = sequence.size();
sequence.clear();
seq.clear();
}
tmp.erase(tmp.begin()); // removes first character from name
taxon.push_back(tmp); // stores sequence name in vector
} else {
seq += tmp;
}
str.clear();
}
}
// Store last sequence in vector
if (seq.size() > 0) {
if (datatype > 14 && datatype < 18) {
if (seq.size() % 2 != 0) {
cerr << "\nProgram aborted due to error: expected sequence of di-nucleotides" << "\n" << endl;
exit(1);
}
}
if (datatype > 17 && datatype < 28) {
if (seq.size() % 3 != 0) {
cerr << "\nProgram aborted due to error: expected sequence of codons" << "\n" << endl;
exit(1);
}
}
sequence = Translator(datatype, seq);
alignment.push_back(sequence);
} else {
cerr << "Program aborted due to error: last sequence empty" << "\n" << endl;
exit(1);
}
//Check whether the sequence names are unique
for (vector<string>::const_iterator iter1 = taxon.begin(); iter1 != taxon.end(); ++iter1) {
for (vector<string>::const_iterator iter2 = iter1 + 1; iter2 != taxon.end(); ++iter2) {
if (*iter1 == *iter2) {
cerr << "Program aborted due to error: Sequence name not unique -- look for " << *iter1 << "\n" << endl;
exit(1);
}
}
}
// Check whether the sequences have the same length
for (vector<vector<int> >::const_iterator iter = alignment.begin()+1; iter != alignment.end(); ++iter) {
++counter;
sequence = *iter;
if (sequence.size() != alignment_length) {
cerr << "Program aborted due to error: sequences 1 and " << counter << " differ in length!\n" << endl;
exit(1);
}
}
}
////////////////////////////////////////////////////////////////////////////////
// //
// NOTE PERTAINING TO THE FOLLOWING FOUR FUNCTIONS //
// //
// Source: gaussian_distribution_tail.c //
// Source: chi-square_distribution_tail.c //
// Author: Dick Horn (mathretprogr@gmail.com) //
// Note: Used with permission from the author (Wednesday, 9 July 2014 4:30) //
// //
////////////////////////////////////////////////////////////////////////////////
// This function returns the probability that a random variable with a standard
// Normal (Gaussian) distribution has a value greater than "x"
long double xGaussian_Distribution_Tail( long double x ) {
long double sqrt2 = 0.7071067811865475244008443621048490L;
return 0.5L * erfcl(sqrt2 * x );
}
// The number of degrees of freedom, nu, is an even integer, nu = 2*n.
// The argument x is chi^2 / 2.
static long double Sum_Poisson_Terms(long double x, int n) {
int k;
long double term;
long double sum;
term = 1.0L;
sum = 1.0L;
for (k = 1; k < n; k++) {
term *= (x / k);
sum += term;
}
return expl(-x)*sum;
}
static long double Sum_Over_Odd_Terms(long double x, int dof) {
int k;
int n;
long double term;
long double sum;
long double sqrtx;
long double twooverpi;
twooverpi = 0.6366197723675813430755350534900574L;