-/* dist_dna.c 2008-01-19 */
+/* dist_dna.c 2011-02-18 */
-/* Copyright 2005-2008 Emmanuel Paradis
+/* Copyright 2005-2011 Emmanuel Paradis
/* This file is part of the R-package `ape'. */
/* See the file ../COPYING for licensing issues. */
#define LN4 1.386294361119890572454
/* returns 8 if the base is known surely, 0 otherwise */
-#define KnownBase(a) a & 8
+#define KnownBase(a) (a & 8)
/* returns 1 if the base is adenine surely, 0 otherwise */
#define IsAdenine(a) a == 136
if (KnownBase(x[s1]) && KnownBase(x[s2])) L++;\
else continue;
-void distDNA_raw(unsigned char *x, int *n, int *s, double *d)
+#define COUNT_TS_TV\
+ if (SameBase(x[s1], x[s2])) continue;\
+ Nd++;\
+ if (IsPurine(x[s1]) && IsPurine(x[s2])) {\
+ Ns++;\
+ continue;\
+ }\
+ if (IsPyrimidine(x[s1]) && IsPyrimidine(x[s2])) Ns++;
+
+void distDNA_TsTv(unsigned char *x, int *n, int *s, double *d, int Ts, int pairdel)
{
- int i1, i2, s1, s2, target, Nd;
+ int i1, i2, s1, s2, target, Nd, Ns;
+
+ target = 0;
+ for (i1 = 1; i1 < *n; i1++) {
+ for (i2 = i1 + 1; i2 <= *n; i2++) {
+ Nd = Ns = 0;
+ for (s1 = i1 - 1, s2 = i2 - 1; s1 < i1 + *n*(*s - 1); s1+= *n, s2 += *n) {
+ if (pairdel && !(KnownBase(x[s1]) && KnownBase(x[s2]))) continue;
+ COUNT_TS_TV
+ }
+ if (Ts) d[target] = ((double) Ns); /* output number of transitions */
+ else d[target] = ((double) Nd - Ns); /* output number of transversions */
+ target++;
+ }
+ }
+}
- target = 0;
- for (i1 = 1; i1 < *n; i1++) {
- for (i2 = i1 + 1; i2 <= *n; i2++) {
- Nd = 0;
- for (s1 = i1 - 1, s2 = i2 - 1; s1 < i1 + *n*(*s - 1); s1+= *n, s2 += *n)
- if (DifferentBase(x[s1], x[s2])) Nd++;
- d[target] = ((double) Nd / *s);
- target++;
+void distDNA_raw(unsigned char *x, int *n, int *s, double *d, int scaled)
+{
+ int i1, i2, s1, s2, target, Nd;
+
+ target = 0;
+ for (i1 = 1; i1 < *n; i1++) {
+ for (i2 = i1 + 1; i2 <= *n; i2++) {
+ Nd = 0;
+ for (s1 = i1 - 1, s2 = i2 - 1; s1 < i1 + *n*(*s - 1); s1+= *n, s2 += *n)
+ if (DifferentBase(x[s1], x[s2])) Nd++;
+ if (scaled) d[target] = ((double) Nd / *s);
+ else d[target] = ((double) Nd);
+ target++;
+ }
}
- }
}
-void distDNA_raw_pairdel(unsigned char *x, int *n, int *s, double *d)
+void distDNA_raw_pairdel(unsigned char *x, int *n, int *s, double *d, int scaled)
{
int i1, i2, s1, s2, target, Nd, L;
CHECK_PAIRWISE_DELETION
if (DifferentBase(x[s1], x[s2])) Nd++;
}
- d[target] = ((double) Nd/L);
+ if (scaled) d[target] = ((double) Nd/L);
+ else d[target] = ((double) Nd);
target++;
}
}
}
}
-#define COUNT_TS_TV\
- if (SameBase(x[s1], x[s2])) continue;\
- Nd++;\
- if (IsPurine(x[s1]) && IsPurine(x[s2])) {\
- Ns++;\
- continue;\
- }\
- if (IsPyrimidine(x[s1]) && IsPyrimidine(x[s2])) Ns++;
-
#define COMPUTE_DIST_K80\
P = ((double) Ns/L);\
Q = ((double) (Nd - Ns)/L);\
#define COMPUTE_DIST_F84\
P = ((double) Ns/L);\
Q = ((double) (Nd - Ns)/L);\
- d[target] = -2*A*log(1 - (P/(2*A) - (A - B)*Q/(2*A*C))) + 2*(A - B - C)*log(1 - Q/(2*C));\
+ d[target] = -2*A*log(1 - P/(2*A) - (A - B)*Q/(2*A*C)) + 2*(A - B - C)*log(1 - Q/(2*C));\
if (*variance) {\
t1 = A*C;\
t2 = C*P/2;\
t3 = (A - B)*Q/2;\
a = t1/(t1 - t2 - t3);\
b = A*(A - B)/(t1 - t2 - t3) - (A - B - C)/(C - Q/2);\
- var[target] = (a*a*P + b*b*Q - pow(a*P + b*Q, 2))/2;\
+ var[target] = (a*a*P + b*b*Q - pow(a*P + b*Q, 2))/L;\
}
void distDNA_F84(unsigned char *x, int *n, int *s, double *d,
#define COMPUTE_DIST_LogDet\
for (k = 0; k < 16; k++) Ftab[k] = ((double) Ntab[k]/L);\
- d[target] = (-log(detFourByFour(Ftab))/4 - LN4)/4;\
+ d[target] = -log(detFourByFour(Ftab))/4 - LN4;\
if (*variance) {\
/* For the inversion, we first make U an identity matrix */\
for (k = 1; k < 15; k++) U[k] = 0;\
}
}
+/* void BaseProportion(unsigned char *x, int *n, double *BF, int *freq) */
+/* { */
+/* int i, m; */
+
+/* m = 0; */
+/* for (i = 0; i < *n; i++) { */
+/* if (KnownBase(x[i])) { */
+/* m++; */
+/* switch (x[i]) { */
+/* case 136 : BF[0]++; break; */
+/* case 40 : BF[1]++; break; */
+/* case 72 : BF[2]++; break; */
+/* case 24 : BF[3]++; break; */
+/* } */
+/* } */
+/* } */
+/* if (! *freq) for (i = 0; i < 4; i++) BF[i] /= m; */
+/* } */
+
void BaseProportion(unsigned char *x, int *n, double *BF)
{
- int i, m;
+ int i;
- m = 0;
for (i = 0; i < *n; i++) {
- if (KnownBase(x[i])) {
- m++;
switch (x[i]) {
case 136 : BF[0]++; break;
case 40 : BF[1]++; break;
case 72 : BF[2]++; break;
case 24 : BF[3]++; break;
+ case 192 : BF[4]++; break;
+ case 160 : BF[5]++; break;
+ case 144 : BF[6]++; break;
+ case 96 : BF[7]++; break;
+ case 80 : BF[8]++; break;
+ case 48 : BF[9]++; break;
+ case 224 : BF[10]++; break;
+ case 176 : BF[11]++; break;
+ case 208 : BF[12]++; break;
+ case 112 : BF[13]++; break;
+ case 240 : BF[14]++; break;
+ case 4 : BF[15]++; break;
+ case 2 : BF[16]++; break;
}
- }
}
- for (i = 0; i < 4; i++) BF[i] /= m;
}
void SegSites(unsigned char *x, int *n, int *s, int *seg)
basis = x[i];
i++;
while (i < *n * (j + 1)) {
- if (x[i] == basis) i++;
+ if (!KnownBase(x[i]) || x[i] == basis) i++;
else {
seg[j] = 1;
break;
int *gamma, double *alpha)
{
switch (*model) {
- case 1 : if (pairdel) distDNA_raw_pairdel(x, n, s, d);
- else distDNA_raw(x, n, s, d); break;
-
+ case 1 : if (pairdel) distDNA_raw_pairdel(x, n, s, d, 1);
+ else distDNA_raw(x, n, s, d, 1); break;
case 2 : if (pairdel) distDNA_JC69_pairdel(x, n, s, d, variance, var, gamma, alpha);
else distDNA_JC69(x, n, s, d, variance, var, gamma, alpha); break;
-
case 3 : if (pairdel) distDNA_K80_pairdel(x, n, s, d, variance, var, gamma, alpha);
else distDNA_K80(x, n, s, d, variance, var, gamma, alpha); break;
-
case 4 : if (pairdel) distDNA_F81_pairdel(x, n, s, d, BF, variance, var, gamma, alpha);
else distDNA_F81(x, n, s, d, BF, variance, var, gamma, alpha); break;
-
case 5 : if (pairdel) distDNA_K81_pairdel(x, n, s, d, variance, var);
else distDNA_K81(x, n, s, d, variance, var); break;
-
case 6 : if (pairdel) distDNA_F84_pairdel(x, n, s, d, BF, variance, var);
else distDNA_F84(x, n, s, d, BF, variance, var); break;
-
case 7 : if (pairdel) distDNA_T92_pairdel(x, n, s, d, BF, variance, var);
else distDNA_T92(x, n, s, d, BF, variance, var); break;
-
case 8 : if (pairdel) distDNA_TN93_pairdel(x, n, s, d, BF, variance, var, gamma, alpha);
else distDNA_TN93(x, n, s, d, BF, variance, var, gamma, alpha); break;
-
case 9 : if (pairdel) distDNA_GG95_pairdel(x, n, s, d, variance, var);
else distDNA_GG95(x, n, s, d, variance, var); break;
-
case 10 : if (pairdel) distDNA_LogDet_pairdel(x, n, s, d, variance, var);
else distDNA_LogDet(x, n, s, d, variance, var); break;
-
case 11 : distDNA_BH87(x, n, s, d, variance, var); break;
-
case 12 : if (pairdel) distDNA_ParaLin_pairdel(x, n, s, d, variance, var);
else distDNA_ParaLin(x, n, s, d, variance, var); break;
+ case 13 : if (pairdel) distDNA_raw_pairdel(x, n, s, d, 0);
+ else distDNA_raw(x, n, s, d, 0); break;
+ case 14 : if (pairdel) distDNA_TsTv(x, n, s, d, 1, 1);
+ else distDNA_TsTv(x, n, s, d, 1, 0); break;
+ case 15 : if (pairdel) distDNA_TsTv(x, n, s, d, 0, 1);
+ else distDNA_TsTv(x, n, s, d, 0, 0); break;
+
}
}
projects / ape.git / blobdiff