-/* dist_dna.c 2009-09-16 */
+/* dist_dna.c 2012-01-10 */
-/* Copyright 2005-2008 Emmanuel Paradis
+/* Copyright 2005-2012 Emmanuel Paradis
/* This file is part of the R-package `ape'. */
/* See the file ../COPYING for licensing issues. */
if (KnownBase(x[s1]) && KnownBase(x[s2])) L++;\
else continue;
-void distDNA_raw(unsigned char *x, int *n, int *s, double *d, int scaled)
+#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++;
- if (scaled) d[target] = ((double) Nd / *s);
- else d[target] = ((double) Nd);
- 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, int scaled)
}
}
-#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,
double *BF, int *variance, double *var,
int *gamma, double *alpha)
{
- int i1, i2, k, Nd, Ns1, Ns2, L, target, s1, s2;
- double P1, P2, Q, A, B, C, gR, gY, k1, k2, k3, k4, w1, w2, w3, c1, c2, c3, c4, b;
+ int i1, i2, Nd, Ns1, Ns2, L, target, s1, s2;
+ double P1, P2, Q, gR, gY, k1, k2, k3, k4, w1, w2, w3, c1, c2, c3, c4, b;
L = *s;
double *BF, int *variance, double *var,
int *gamma, double *alpha)
{
- int i1, i2, k, Nd, Ns1, Ns2, L, target, s1, s2;
- double P1, P2, Q, A, B, C, gR, gY, k1, k2, k3, k4, w1, w2, w3, c1, c2, c3, c4, b;
+ int i1, i2, Nd, Ns1, Ns2, L, target, s1, s2;
+ double P1, P2, Q, gR, gY, k1, k2, k3, k4, w1, w2, w3, c1, c2, c3, c4, b;
PREPARE_BF_TN93
#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;\
currently not available.
</FIXME> */
{
- int i1, i2, k, kb, s1, s2, m, Ntab[16], ROWsums[4], ndim = 4, info, ipiv[16];
- double P12[16], P21[16], U[16];
+ int i1, i2, k, kb, s1, s2, m, Ntab[16], ROWsums[4];
+ double P12[16], P21[16];
for (i1 = 1; i1 < *n; i1++) {
for (i2 = i1 + 1; i2 <= *n; i2++) {
}
}
-void BaseProportion(unsigned char *x, int *n, double *BF, int *freq)
+/* 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; */
+
+/* for (i = 0; i < *n; i++) { */
+/* 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; */
+/* } */
+/* } */
+/* } */
+
+/* a hash table is much faster than switch (2012-01-10) */
+void BaseProportion(unsigned char *x, int *n, double *BF)
{
- 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;
+ int i;
+ double count[256];
+
+ memset(count, 0, 256*sizeof(double));
+
+ for (i = 0; i < *n; i++) count[x[i]]++;
+
+ BF[0] = count[136];
+ BF[1] = count[40];
+ BF[2] = count[72];
+ BF[3] = count[24];
+ BF[4] = count[192];
+ BF[5] = count[160];
+ BF[6] = count[144];
+ BF[7] = count[96];
+ BF[8] = count[80];
+ BF[9] = count[48];
+ BF[10] = count[224];
+ BF[11] = count[176];
+ BF[12] = count[208];
+ BF[13] = count[112];
+ BF[14] = count[240];
+ BF[15] = count[4];
+ BF[16] = count[2];
}
void SegSites(unsigned char *x, int *n, int *s, int *seg)
switch (*model) {
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