double cosmic_calculator::calc_dm(double z)const
{
double Dh=cp.c/cp.H0;
double Dc=calc_dc(z);
if(cp.Omega_k>0)
{
return Dh/std::sqrt(cp.Omega_k)*std::sinh(std::sqrt(cp.Omega_k)*Dc/Dh);
}
else if(cp.Omega_k<0)
{
return Dh/std::sqrt(-cp.Omega_k)*std::sin(std::sqrt(-cp.Omega_k)*Dc/Dh);
}
else
{
return Dc;
}
}
int track_pps(WAVDATA *wvd, PPSDATA *pps, long seed, long period, long ss, long es)
{
int vstat, navg, fpt;
long j, ipt, ibeg, iend, nwin, minPP, maxPP, loc, lc2, npps=0, ns, nc, ic;
float time, tlast, max, v, *kernel, *kernelX, tsc, vuv, pavg, pmin, pmax, sr;
double rad, rx;
short *data;
ns = wvd->ns;
nc = wvd->nc;
ic = wvd->active;
tsc = wvd->srms;
sr = (float) (tsc * 1000.0);
data = wvd->wavdata;
/*
* get windowed kernel at seed location
*/
DC = calc_dc(ic, nc, ns, data);
seed = tweak(seed, nc, ic, data, ns);
nwin = (int) (pitcmn.wlen * tsc + 0.5);
nwin = 2 * (nwin/2) + 1; /* nwin should be odd */
if (seed < nwin/2 || seed > (ns - nwin/2)) {
return -1;
}
if (!(kernel = (float *) malloc(nwin * sizeof(float))))
return -1;
if (!(kernelX = (float *) malloc(nwin * sizeof(float)))){
free(kernel);
return -1;
}
rx = 2.0 * M_PI/ (float) nwin;
ibeg = (seed * nc + ic) - (nc * nwin/2);
for (rad=rx/2.0, ipt=ibeg, j=0; j<nwin; j++, ipt+=nc, rad+=rx)
kernel[j] = (float) (0.5 - 0.5 * cos(rad)) * (float) (data[ipt] - DC);
for (rad=rx/2.0, j=0; j<nwin; j++, rad+=rx)
kernelX[j] = (float) ((0.5 - 0.5 * cos(rad)) * -16384.0 * sin(rad));
minPP = (int) (pitcmn.jitlo * (float)period + 0.5); /* allow for acceptable jitter */
maxPP = (int) (pitcmn.jithi * (float)period + 0.5);
tlast = (float) seed / tsc;
if (seed >= ss && seed <= es) {
ppadd(tlast, 1, pps); /* store location of seed as a PP */
npps++;
}
ibeg = seed + minPP;
iend = seed + maxPP;
ipt = ibeg;
if (pitcmn.vuv == 0.0)
vuv = (float) (0.1 * compare(seed*nc + ic, nc, data, nwin, kernelX) / (double) nwin);
else
vuv = pitcmn.vuv * pitcmn.vuv;
pavg = (float) period / tsc;
navg = 1;
pmin = pmax = pavg;
/*
* Search from seed location to end of the input waveform
*/
while ((iend + nwin/2) <= es) {
max = compare(ipt*nc + ic, nc, data, nwin, kernel);
loc = ipt;
for (ipt=ibeg+1; ipt < iend; ipt++)
if ((v = compare(ipt*nc+ic, nc, data, nwin, kernel)) > max) {
max = v;
loc = ipt;
}
if (use_vData) {
fpt = (int) ((((double)loc / tsc) - vData->StartTime) / vData->StepSize + 0.5);
if (fpt < 0)
fpt = 0;
if (fpt >= vData->nfr)
fpt = vData->nfr - 1;
}
max = compare(loc*nc+ic, nc, data, nwin, kernelX) / (float) nwin; /* for voicing decision */
if (max > vuv) {
lc2 = tweak(loc, nc, ic, data, ns);
if (labs(lc2 - loc) < nwin/4)
loc = lc2;
time = (float) loc / tsc;
if (vstat) {
v = time - tlast;
pavg += v;
navg++;
if (v < pmin) pmin = v;
if (v > pmax) pmax = v;
if (use_vData) {
minPP = (long) ((pitcmn.jitlo * sr/vData->F0[fpt]) + 0.5); /* allow -jitlo variation for next period */
maxPP = (long) ((pitcmn.jithi * sr/vData->F0[fpt]) + 0.5); /* allow +jithi variation for next period */
} else {
minPP = (long) ((pitcmn.jitlo * v) * tsc + 0.5); /* allow - 10% variation for next period */
maxPP = (long) ((pitcmn.jithi * v) * tsc + 0.5); /* allow + 15% variation for next period */
}
} else {
if (use_vData)
v = (sr/vData->F0[fpt])/tsc;
else
v = pavg / (float) navg;
minPP = (long) ((pitcmn.jitlo * v) * tsc + 0.5); /* allow - 25% variation for next period */
maxPP = (long) ((pitcmn.jithi * v) * tsc + 0.5); /* allow + 50% variation for next period */
}
vstat = 1;
} else {
v = pavg / (float) navg;
time = tlast + v;
loc = (long) (tsc * time + 0.5f);
if (loc > ns) {
loc = ns;
time = (float) loc / tsc;
v = time - tlast;
}
vstat = 0;
minPP = (long) ((pitcmn.jitlo * v) * tsc + 0.5); /* allow - 25% variation for next period */
maxPP = (long) ((pitcmn.jithi * v) * tsc + 0.5); /* allow + 50% variation for next period */
}
if (loc >= ss) {
ppadd(time, vstat, pps);
npps++;
}
ibeg = (loc * nc + wvd->active) - (nc * nwin/2);
if ((ibeg + nwin) < ns)
if (vstat)
for (rad=rx/2.0f, ipt=ibeg, j=0; j<nwin; j++, ipt+=nc, rad+=rx)
kernel[j] = 0.5f * (kernel[j] + ((float) (0.5 - 0.5 * cos(rad)) * (float) (data[ipt] - DC)));
else
for (j=0; j<nwin; j++)
kernel[j] = 0.5f * (kernel[j] + kernelX[j]);
ibeg = loc + minPP;
iend = loc + maxPP;
ipt = ibeg;
tlast = time;
}
tlast = (float) seed / tsc;
ibeg = (seed * nc + ic) - (nc * nwin/2);
for (rad=rx/2.0, ipt=ibeg, j=0; j<nwin; j++, ipt+=nc, rad+=rx)
kernel[j] = (float) (0.5 - 0.5 * cos(rad)) * (float) (data[ipt] - DC);
minPP = (int) (pitcmn.jitlo * (float)period + 0.5); /* reset for original period template */
maxPP = (int) (pitcmn.jithi * (float)period + 0.5);
ibeg = seed - maxPP;
iend = seed - minPP;
ipt = ibeg;
while ((ibeg >= ss) && (ibeg > nwin/2)) {
max = compare(ipt*nc + ic, nc, data, nwin, kernel);
loc = ipt;
for (ipt=ibeg+1; ipt < iend; ipt++)
if ((v = compare(ipt*nc+ic, nc, data, nwin, kernel)) > max) {
max = v;
loc = ipt;
}
if (use_vData) {
fpt = (int) ((((double)loc / tsc) - vData->StartTime) / vData->StepSize + 0.5);
if (fpt < 0)
fpt = 0;
if (fpt >= vData->nfr)
fpt = vData->nfr - 1;
}
max = compare(loc*nc+ic, nc, data, nwin, kernelX) / (float) nwin; /* for voicing decision */
if (max > vuv) {
lc2 = tweak(loc, nc, ic, data, ns);
if (labs(lc2 - loc) < nwin/4)
loc = lc2;
time = (float) loc / tsc;
if (vstat) {
v = tlast - time;
pavg += v;
navg++;
if (v < pmin) pmin = v;
if (v > pmax) pmax = v;
if (use_vData) {
minPP = (long) ((pitcmn.jitlo * sr/vData->F0[fpt]) + 0.5); /* allow -jitlo variation for next period */
maxPP = (long) ((pitcmn.jithi * sr/vData->F0[fpt]) + 0.5); /* allow +jithi variation for next period */
} else {
minPP = (long) ((pitcmn.jitlo * v) * tsc + 0.5); /* allow - 10% variation for next period */
maxPP = (long) ((pitcmn.jithi * v) * tsc + 0.5); /* allow + 15% variation for next period */
}
} else {
if (use_vData)
v = (sr/vData->F0[fpt])/tsc;
else
v = pavg / (float) navg;
minPP = (long) ((pitcmn.jitlo * v) * tsc + 0.5); /* allow - 25% variation for next period */
maxPP = (long) ((pitcmn.jithi * v) * tsc + 0.5); /* allow + 50% variation for next period */
}
vstat = 1;
} else {
v = pavg / (float) navg;
time = tlast - v;
loc = (long) (tsc * time + 0.5);
if (loc < 0) {
loc = 0;
time = (float) loc / tsc;
v = tlast - time;
}
vstat = 0;
minPP = (long) ((pitcmn.jitlo * v) * tsc + 0.5); /* allow - 25% variation for next period */
maxPP = (long) ((pitcmn.jithi * v) * tsc + 0.5); /* allow + 50% variation for next period */
}
if (loc >= ss && loc <= es) {
ppadd(time, vstat, pps);
npps++;
}
ibeg = (loc * nc + ic) - (nc * nwin/2);
if (ibeg >= 0)
if (vstat)
for (rad=rx/2.0f, ipt=ibeg, j=0; j<nwin; j++, ipt+=nc, rad+=rx)
kernel[j] = (float) (0.5 * (kernel[j] + ((0.5 - 0.5 * cos(rad)) * (double) (data[ipt] - DC))));
else
for (j=0; j<nwin; j++)
kernel[j] = (float) (0.5 * (kernelX[j] + kernel[j]));
ibeg = loc - maxPP;
iend = loc - minPP;
ipt = ibeg;
tlast = time;
}
ppsort(pps);
free(kernel);
free(kernelX);
return (int) npps;
}