File: proffrommsa.cpp

package info (click to toggle)
pilercr 1.06%2Bdfsg-5
  • links: PTS, VCS
  • area: main
  • in suites: bookworm, forky, sid, trixie
  • size: 844 kB
  • sloc: cpp: 14,339; makefile: 67; sh: 36
file content (191 lines) | stat: -rwxr-xr-x 4,490 bytes parent folder | download | duplicates (2)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
#include "multaln.h"

#define TRACE	0

static void LogF(FCOUNT f)
	{
	if (f > -0.00001 && f < 0.00001)
		Log("       ");
	else
		Log("  %5.3f", f);
	}

static const char *LocalScoreToStr(SCORE s)
	{
	static char str[16];
	if (s < -1e10 || s > 1e10)
		return "    *";
	sprintf(str, "%5.1f", s);
	return str;
	}

void ListProfile(const ProfPos *Prof, unsigned uLength, const MSA *ptrMSA)
	{
	Log("  Pos  Occ     LL     LG     GL     GG     Open  Close\n");
	Log("  ---  ---     --     --     --     --     ----  -----\n");
	for (unsigned n = 0; n < uLength; ++n)
		{
		const ProfPos &PP = Prof[n];
		Log("%5u", n);
		LogF(PP.m_fOcc);
		LogF(PP.m_LL);
		LogF(PP.m_LG);
		LogF(PP.m_GL);
		LogF(PP.m_GG);
		Log("  %5.1f", -PP.m_scoreGapOpen);
		Log("  %5.1f", -PP.m_scoreGapClose);
		if (0 != ptrMSA)
			{
			const unsigned uSeqCount = ptrMSA->GetSeqCount();
			Log("  ");
			for (unsigned uSeqIndex = 0; uSeqIndex < uSeqCount; ++uSeqIndex)
				Log("%c", ptrMSA->GetChar(uSeqIndex, n));
			}
		Log("\n");
		}

	Log("\n");
	Log("  Pos G");
	for (unsigned n = 0; n < g_AlphaSize; ++n)
		Log("     %c", LetterExToChar(n));
	Log("\n");
	Log("  --- -");
	for (unsigned n = 0; n < g_AlphaSize; ++n)
		Log(" -----");
	Log("\n");

	for (unsigned n = 0; n < uLength; ++n)
		{
		const ProfPos &PP = Prof[n];
		Log("%5u", n);
		if (-1 == PP.m_uResidueGroup)
			Log(" -", PP.m_uResidueGroup);
		else
			Log(" %d", PP.m_uResidueGroup);

		for (unsigned uLetter = 0; uLetter < g_AlphaSize; ++uLetter)
			{
			FCOUNT f = PP.m_fcCounts[uLetter];
			if (f == 0.0)
				Log("      ");
			else
				Log(" %5.3f", f);
			}
		if (0 != ptrMSA)
			{
			const unsigned uSeqCount = ptrMSA->GetSeqCount();
			Log("  ");
			for (unsigned uSeqIndex = 0; uSeqIndex < uSeqCount; ++uSeqIndex)
				Log("%c", ptrMSA->GetChar(uSeqIndex, n));
			}
		Log("\n");
		}
	}

static void SortCounts(const FCOUNT fcCounts[], unsigned SortOrder[])
	{
	static unsigned InitialSortOrder[20] =
		{
		0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19
		};
	memcpy(SortOrder, InitialSortOrder, g_AlphaSize*sizeof(unsigned));

	bool bAny = true;
	while (bAny)
		{
		bAny = false;
		for (unsigned n = 0; n < g_AlphaSize - 1; ++n)
			{
			unsigned i1 = SortOrder[n];
			unsigned i2 = SortOrder[n+1];
			if (fcCounts[i1] < fcCounts[i2])
				{
				SortOrder[n+1] = i1;
				SortOrder[n] = i2;
				bAny = true;
				}
			}
		}
	}

static unsigned NucleoGroupFromFCounts(const FCOUNT fcCounts[])
	{
	bool bAny = false;
	unsigned uConsensusResidueGroup = RESIDUE_GROUP_MULTIPLE;
	for (unsigned uLetter = 0; uLetter < 4; ++uLetter)
		{
		if (0 == fcCounts[uLetter])
			continue;
		const unsigned uResidueGroup = uLetter;
		if (bAny)
			{
			if (uResidueGroup != uConsensusResidueGroup)
				return RESIDUE_GROUP_MULTIPLE;
			}
		else
			{
			bAny = true;
			uConsensusResidueGroup = uResidueGroup;
			}
		}
	return uConsensusResidueGroup;
	}

unsigned ResidueGroupFromFCounts(const FCOUNT fcCounts[])
	{
	return NucleoGroupFromFCounts(fcCounts);
	}

ProfPos *ProfileFromMSA(const MSA &a)
	{
	const unsigned uSeqCount = a.GetSeqCount();
	const unsigned uColCount = a.GetColCount();

	ProfPos *Pos = new ProfPos[uColCount];

	unsigned uHydrophobicRunLength = 0;
	for (unsigned uColIndex = 0; uColIndex < uColCount; ++uColIndex)
		{
		ProfPos &PP = Pos[uColIndex];

		PP.m_bAllGaps = a.IsGapColumn(uColIndex);

		FCOUNT fcGapStart;
		FCOUNT fcGapEnd;
		FCOUNT fcGapExtend;
		FCOUNT fOcc;
		a.GetFractionalWeightedCounts(uColIndex, false, PP.m_fcCounts,
		  &fcGapStart, &fcGapEnd, &fcGapExtend, &fOcc,
		  &PP.m_LL, &PP.m_LG, &PP.m_GL, &PP.m_GG);
		PP.m_fOcc = fOcc;

		SortCounts(PP.m_fcCounts, PP.m_uSortOrder);

		PP.m_uResidueGroup = ResidueGroupFromFCounts(PP.m_fcCounts);

		for (unsigned i = 0; i < g_AlphaSize; ++i)
			{
			SCORE scoreSum = 0;
			for (unsigned j = 0; j < g_AlphaSize; ++j)
				scoreSum += PP.m_fcCounts[j]*(*g_ptrScoreMatrix)[i][j];
			PP.m_AAScores[i] = scoreSum;
			}

		SCORE sStartOcc = (SCORE) (1.0 - fcGapStart);
		SCORE sEndOcc = (SCORE) (1.0 - fcGapEnd);

		PP.m_fcStartOcc = sStartOcc;
		PP.m_fcEndOcc = sEndOcc;

		PP.m_scoreGapOpen = sStartOcc*g_scoreGapOpen/2;
		PP.m_scoreGapClose = sEndOcc*g_scoreGapOpen/2;
		}

#if	TRACE
	{
	Log("ProfileFromMSA\n");
	ListProfile(Pos, uColCount, &a);
	}
#endif
	return Pos;
	}