void predg3f_from_predh3f(struct predg3f_s *g, const struct predh3f_s *h)
{
struct vec3f_s r, nr;
calc_r(&r, &h->p.n);
vec3f_cross(&nr, &h->p.n, &r);
g->k = nr;
vec3f_cross(&g->l, &h->p.n, &nr);
g->a = h->b;
vec3f_neg(&g->b, &h->b);
g->c = 2 * h->p.d * vec3f_sqlen(&nr);
}
void find_best_coeffs(double fvco)
{
double br, fvco_err;
double min_fvco_err=100.0;
int min_n, min_m, min_p, min_q, min_r;
int n, m, nstroke, p, q , r;
br=calc_target_br(fvco, fin);
//printf("Fvco=%f; target BR: %f\n", fvco, br);
for(m=511; m>0; m--)
{
n=(int)((double)m*br);
if(n>4095)
continue;
fvco_err=fabs(calc_fvco(fin, m, n)-fvco);
p=calc_p(n, m);
nstroke=calc_nstroke(n, p);
q=calc_q(nstroke, m);
r=calc_r(nstroke, m, q);
if(is_valid(fvco, q, p, r))
{
if(fvco_err<min_fvco_err)
{
min_fvco_err=fvco_err;
min_n=n;
min_m=m;
min_p=p;
min_q=q;
min_r=r;
}
}
}
//printf("[N=%d|M=%d] Fvco=%0.3f, P=%d, Q=%d, R=%d\n", min_n, min_m, fvco, min_p, min_q, min_r);
//printf("Error: %f (%.2f %%)\n", min_fvco_err, (min_fvco_err/fvco)*100.0);
printf("%0.6f;%0.3f;%d;%d;%d;[%d;%d]\n", fvco, min_fvco_err*1000.0, min_p, min_q, min_r, min_n, min_m);
}
void report_xvalid(double *xdata, double *xpred, double *xdiff, double *xstd,
double *xzscore, int ndata, int var) {
/*
* DATE: Tue Oct 6 11:55:44 MET 1992
* BY : Edzer J. Pebesma
* PURPOSE: report summary statistics of these five lists
* SIDE EFFECTS: none
*/
int i, nXdata = 0, nXpred = 0, nXdiff = 0, n_std = 0, nZscore = 0,
compare(const double *a, const double *b);
double min[5], max[5], p25[5], p75[5], p50[5], mean[5], std[5];
double corr = 0.0;
set_mv_double(&corr);
calc_r(xdata, xpred, ndata, &corr);
for (i = 0; i < 5; i ++) {
set_mv_double(&(min[i]));
set_mv_double(&(p25[i]));
set_mv_double(&(p50[i]));
set_mv_double(&(p75[i]));
set_mv_double(&(max[i]));
set_mv_double(&(mean[i]));
set_mv_double(&(std[i]));
}
/* select not missing values, put mv's at the end: */
/* sorting arrays: */
qsort(xdata, (size_t) ndata, sizeof(double),
(int (*)(const void *,const void *)) compare);
while (!is_mv_double(&(xdata[nXdata])) && nXdata < ndata)
nXdata++;
qsort(xpred, (size_t) ndata, sizeof(double),
(int (*)(const void *,const void *)) compare);
while (!is_mv_double(&(xpred[nXpred])) && nXpred < ndata)
nXpred++;
qsort(xdiff, (size_t) ndata, sizeof(double),
(int (*)(const void *,const void *)) compare);
while (!is_mv_double(&(xdiff[nXdiff])) && nXdiff < ndata)
nXdiff++;
if (var) { /* do everything for xstd and xzscore */
qsort(xstd, (size_t) ndata, sizeof(double),
(int (*)(const void *,const void *)) compare);
while ((! is_mv_double(&(xstd[n_std]))) && (n_std < ndata))
n_std++;
qsort(xzscore, (size_t) ndata, sizeof(double),
(int (*)(const void *,const void *)) compare);
while ((! is_mv_double(&(xzscore[nZscore]))) && (nZscore < ndata))
nZscore++;
}
/* calculate statistics: */
if (nXdata) {
min[0]=xdata[0];
max[0]=xdata[nXdata-1];
mean[0] = sample_mean(xdata, nXdata);
if (nXdata > 1) {
p25[0]=est_quant(xdata, 0.25, nXdata);
p50[0]=est_quant(xdata, 0.5, nXdata);
p75[0]=est_quant(xdata, 0.75, nXdata);
std[0] = sample_std(xdata, mean[0], nXdata);
}
}
if (nXpred) {
min[1]=xpred[0];
max[1]=xpred[nXpred-1];
mean[1] = sample_mean(xpred, nXpred);
if (nXpred > 1) {
p25[1]=est_quant(xpred, 0.25, nXpred);
p50[1]=est_quant(xpred, 0.5, nXpred);
p75[1]=est_quant(xpred, 0.75, nXpred);
std[1] = sample_std(xpred, mean[1], nXpred);
}
}
if (nXdiff) {
min[2]=xdiff[0];
max[2]=xdiff[nXdiff-1];
mean[2] = sample_mean(xdiff, nXdiff);
if (nXdiff > 1) {
p25[2]=est_quant(xdiff, 0.25, nXdiff);
p50[2]=est_quant(xdiff, 0.5, nXdiff);
p75[2]=est_quant(xdiff, 0.75, nXdiff);
std[2] = sample_std(xdiff, mean[2], nXdiff);
}
}
if (var) {
if (n_std) {
min[3]=xstd[0];
max[3]=xstd[n_std-1];
mean[3] = sample_mean(xstd, n_std);
if (n_std > 1) {
p25[3]=est_quant(xstd, 0.25, n_std);
p50[3]=est_quant(xstd, 0.5, n_std);
p75[3]=est_quant(xstd, 0.75, n_std);
std[3] = sample_std(xstd, mean[3], n_std);
}
}
if (nZscore) {
min[4]=xzscore[0];
max[4]=xzscore[nZscore-1];
mean[4] = sample_mean(xzscore, nZscore);
if (nZscore > 1) {
p25[4]=est_quant(xzscore, 0.25, nZscore);
p50[4]=est_quant(xzscore, 0.5, nZscore);
p75[4]=est_quant(xzscore, 0.75, nZscore);
std[4] = sample_std(xzscore, mean[4], nZscore);
}
}
}
/* output: */
printlog("corr(Obs, Pred): %s [%s]\n\n",
my_dtoa("%6.4g", &corr),
method_string(get_method()));
printlog(" observed predicted pred.-obs. pred.std. zscore\n");
printlog("======================================================================\n");
printlog("%-10s%12s", "minimum", my_dtoa("%6.4g", &(min[0])));
printlog("%12s", my_dtoa("%6.4g", &(min[1])));
printlog("%12s", my_dtoa("%6.4g", &(min[2])));
printlog("%12s", my_dtoa("%6.4g", &(min[3])));
printlog("%12s\n", my_dtoa("%6.4g", &(min[4])));
printlog("%-10s%12s", "1st q.", my_dtoa("%6.4g", &(p25[0])));
printlog("%12s", my_dtoa("%6.4g", &(p25[1])));
printlog("%12s", my_dtoa("%6.4g", &(p25[2])));
printlog("%12s", my_dtoa("%6.4g", &(p25[3])));
printlog("%12s\n", my_dtoa("%6.4g", &(p25[4])));
printlog("%-10s%12s", "median", my_dtoa("%6.4g", &(p50[0])));
printlog("%12s", my_dtoa("%6.4g", &(p50[1])));
printlog("%12s", my_dtoa("%6.4g", &(p50[2])));
printlog("%12s", my_dtoa("%6.4g", &(p50[3])));
printlog("%12s\n", my_dtoa("%6.4g", &(p50[4])));
printlog("%-10s%12s", "3rd q.", my_dtoa("%6.4g", &(p75[0])));
printlog("%12s", my_dtoa("%6.4g", &(p75[1])));
printlog("%12s", my_dtoa("%6.4g", &(p75[2])));
printlog("%12s", my_dtoa("%6.4g", &(p75[3])));
printlog("%12s\n", my_dtoa("%6.4g", &(p75[4])));
printlog("%-10s%12s", "maximum", my_dtoa("%6.4g", &(max[0])));
printlog("%12s", my_dtoa("%6.4g", &(max[1])));
printlog("%12s", my_dtoa("%6.4g", &(max[2])));
printlog("%12s", my_dtoa("%6.4g", &(max[3])));
printlog("%12s\n\n", my_dtoa("%6.4g", &(max[4])));
printlog("%-10s%12d%12d%12d%12d%12d\n", "n",
nXdata, nXpred, nXdiff, n_std, nZscore);
printlog("%-10s%12s", "mean", my_dtoa("%6.4g", &(mean[0])));
printlog("%12s", my_dtoa("%6.4g", &(mean[1])));
printlog("%12s", my_dtoa("%6.4g", &(mean[2])));
printlog("%12s", my_dtoa("%6.4g", &(mean[3])));
printlog("%12s\n", my_dtoa("%6.4g", &(mean[4])));
printlog("%-10s%12s", "std.dev.", my_dtoa("%6.4g", &(std[0])));
printlog("%12s", my_dtoa("%6.4g", &(std[1])));
printlog("%12s", my_dtoa("%6.4g", &(std[2])));
printlog("%12s", my_dtoa("%6.4g", &(std[3])));
printlog("%12s\n", my_dtoa("%6.4g", &(std[4])));
return;
}