int main(int argc, char *argv[]) {
float *x=NULL,*y=NULL,minx,maxx,miny,maxy,cx, *oparams=NULL,*nparams=NULL;
float *rx=NULL,*ry=NULL,*w=NULL,*wparams=NULL,*wx=NULL,*wy=NULL,*ww=NULL;
float *y_sault_fit=NULL, *x_fit=NULL, *y_new_fit=NULL, *y_reynolds_fit=NULL;
float *y_stevens_fit=NULL,*y_whole_fit=NULL,*y_old_fit=NULL;
int i,j,n=0,n_fit=100,new_fit_order=2,whole_fit_order=5,nr=0,nw=0;
/* float extra_x[NEXTRA]={ 93, 95 }, extra_y[NEXTRA] = { 0.1223, 0.1168 }; */
float extra_x[NEXTRA]= { 93, 95 }, extra_y[NEXTRA] = { 0.1116, 0.1056 };
float extra_u[NEXTRA]= { 0.01356, 0.01399 };
float fitp_sault[NFIT_SAULT]= { -202.6259, 149.7321, -36.4943, 2.9372 };
float fitp_reynolds[NFIT_REYNOLDS]= { -30.7667, 26.4908, -7.0977, 0.605334 };
float fitp_stevens[NFIT_STEVENS]= { -1.237160, 2.005317, -0.400622 };
float fitp_old[NFIT_OLD]= { -23.839, 19.569, -4.8168, 0.35836 };
float *ratio_reynolds_fit=NULL,*ratio_stevens_fit=NULL,*ratio_sault_fit=NULL;
float *ratio_new_fit=NULL;
float vpx1, vpx2, vpy1, vpy2, vpy3, lx, ly, dly;
char fitlabel[BUFSIZE];
/* Generate the cm fit points. */
for (cx=1.0; cx<10.0; cx+=0.1) {
nr++;
rx = realloc(rx, nr * sizeof(float));
ry = realloc(ry, nr * sizeof(float));
rx[nr-1] = log10f(cx * 1000);
ry[nr-1] = 0.0;
for (i=0; i<NFIT_REYNOLDS; i++) {
ry[nr-1] += fitp_reynolds[i] * powf(rx[n-1], (float)i);
}
}
/* Generate the 15mm fit points. */
for (cx=10.0; cx<=24.0; cx+=0.128) {
n++;
x = realloc(x, n * sizeof(float));
y = realloc(y, n * sizeof(float));
w = realloc(w, n * sizeof(float));
x[n-1] = log10f(cx * 1000);
y[n-1] = 0.0;
for (i=0; i<NFIT_REYNOLDS; i++) {
y[n-1] += fitp_sault[i] * powf(x[n-1], (float)i);
}
w[n-1] = 1.0/0.1;
}
/* Do the fit. */
linfit_order(NFIT_SAULT, n, x, y, w, &oparams);
for (i=0; i<NFIT_SAULT; i++) {
printf("i = %d c[i] = %.4f\n", i, oparams[i]);
}
/* Add the 3mm flux points. */
for (i=0; i<NEXTRA; i++) {
n++;
x = realloc(x, n * sizeof(float));
y = realloc(y, n * sizeof(float));
w = realloc(w, n * sizeof(float));
x[n-1] = log10f(extra_x[i] * 1000);
y[n-1] = log10f(extra_y[i]);
w[n-1] = 1/extra_u[i];
}
/* Do another fit. */
linfit_order(new_fit_order, n, x, y, w, &nparams);
for (i=0; i<new_fit_order; i++) {
printf("i = %d nc[i] = %.4f\n", i, nparams[i]);
}
/* Generate the whole range fit points. */
minx=log10f(900);
maxx=log10f(100000);
miny=-2;
maxy=log10f(20);
x_fit = malloc(n_fit * sizeof(float));
for (i=0; i<n_fit; i++) {
x_fit[i] = minx + i * ((maxx - minx)/(float)n_fit);
nw++;
wx = realloc(wx, nw * sizeof(float));
wy = realloc(wy, nw * sizeof(float));
ww = realloc(ww, nw * sizeof(float));
wx[nw-1] = x_fit[i];
wy[nw-1] = 0.0;
ww[nw-1] = 1;
if (x_fit[i] < log10f(11143)) {
/* Use the Reynolds fit. */
for (j=0; j<NFIT_REYNOLDS; j++) {
wy[nw-1] += fitp_reynolds[j] * powf(x_fit[i], (float)j);
}
} else {
/* Use the new fit. */
for (j=0; j<new_fit_order; j++) {
wy[nw-1] += nparams[j] * powf(x_fit[i], (float)j);
}
}
}
/* Do a whole-range fit. */
linfit_order(whole_fit_order, nw, wx, wy, ww, &wparams);
for (i=0; i<whole_fit_order; i++) {
printf("i = %d wc[i] = %.4f\n", i, wparams[i]);
}
// minmax(n, x, &minx, &maxx);
// minmax(n, y, &miny, &maxy);
y_sault_fit = malloc(n_fit * sizeof(float));
y_reynolds_fit = malloc(n_fit * sizeof(float));
y_stevens_fit = malloc(n_fit * sizeof(float));
y_new_fit = malloc(n_fit * sizeof(float));
y_whole_fit = malloc(n_fit * sizeof(float));
y_old_fit = malloc(n_fit * sizeof(float));
ratio_reynolds_fit = malloc(n_fit * sizeof(float));
ratio_stevens_fit = malloc(n_fit * sizeof(float));
ratio_sault_fit = malloc(n_fit * sizeof(float));
ratio_new_fit = malloc(n_fit * sizeof(float));
/* minx=log10f(50); */
minx=log10f(1000);
/* maxx=log10f(500000); */
maxx=log10f(110000);
for (i=0; i<n_fit; i++) {
x_fit[i] = minx + i * ((maxx - minx)/(float)n_fit);
y_sault_fit[i] = 0.0;
y_reynolds_fit[i] = 0.0;
y_new_fit[i] = 0.0;
y_stevens_fit[i] = 0.0;
y_whole_fit[i] = 0.0;
y_old_fit[i] = 0.0;
for (j=0; j<NFIT_SAULT; j++) {
y_sault_fit[i] += fitp_sault[j] * powf(x_fit[i], (float)j);
}
for (j=0; j<NFIT_REYNOLDS; j++) {
y_reynolds_fit[i] += fitp_reynolds[j] * powf(x_fit[i], (float)j);
}
for (j=0; j<NFIT_STEVENS; j++) {
y_stevens_fit[i] += fitp_stevens[j] * powf(x_fit[i], (float)j);
}
for (j=0; j<new_fit_order; j++) {
y_new_fit[i] += nparams[j] * powf(x_fit[i], (float)j);
}
for (j=0; j<whole_fit_order; j++) {
y_whole_fit[i] += wparams[j] * powf(x_fit[i], (float)j);
}
for (j=0; j<NFIT_OLD; j++) {
y_old_fit[i] += fitp_old[j] * powf(x_fit[i], (float)j);
}
ratio_reynolds_fit[i] = powf(10, (y_reynolds_fit[i] - y_whole_fit[i]));
ratio_stevens_fit[i] = powf(10, (y_stevens_fit[i] - y_whole_fit[i]));
ratio_sault_fit[i] = powf(10, (y_sault_fit[i] - y_whole_fit[i]));
ratio_new_fit[i] = powf(10, (y_new_fit[i] - y_whole_fit[i]));
}
/* cpgopen("11/xs"); */
cpgopen("1934-638_models.ps/cps");
/* cpgopen("1934-638_models.png/png"); */
cpgqvp(0, &vpx1, &vpx2, &vpy1, &vpy2);
vpy3 = vpy1 + (vpy2 - vpy1) / 5.0;
/* cpgsvp(vpx1, vpx2, vpy3, vpy2); */
cpgswin(minx, maxx, miny, maxy);
lx = minx + (maxx - minx) / 9.0;
ly = miny + (maxy - miny) / 3.0;
dly = (maxy - miny) / 20.0;
cpgsch(1.0);
cpgbox("BCLNTS",0,0,"BCLNTS",0,0);
cpglab("Frequency (MHz)", "Flux Density (Jy)", "1934-638 Model Comparison");
cpgsch(0.8);
cpgpt(n, x, y, 4);
/* cpgpt(nw, wx, wy, 4); */
cpgsci(2);
/* cpgpt(nr, rx, ry, 4); */
cpgline(n_fit, x_fit, y_sault_fit);
strcpy(fitlabel, "Sault: ");
fitstring(fitp_sault, NFIT_SAULT, fitlabel);
cpgtext(lx, ly, fitlabel);
cpgsci(3);
cpgline(n_fit, x_fit, y_new_fit);
strcpy(fitlabel, "Stevens (linear): ");
fitstring(nparams, new_fit_order, fitlabel);
ly -= dly;
cpgtext(lx, ly, fitlabel);
cpgsci(4);
cpgline(n_fit, x_fit, y_reynolds_fit);
strcpy(fitlabel, "Reynolds: ");
fitstring(fitp_reynolds, NFIT_REYNOLDS, fitlabel);
ly -= dly;
cpgtext(lx, ly, fitlabel);
cpgsci(5);
cpgline(n_fit, x_fit, y_stevens_fit);
strcpy(fitlabel, "Stevens (Miriad): ");
fitstring(fitp_stevens, NFIT_STEVENS, fitlabel);
ly -= dly;
cpgtext(lx, ly, fitlabel);
cpgsci(6);
cpgline(n_fit, x_fit, y_old_fit);
strcpy(fitlabel, "Pre-1994: ");
fitstring(fitp_old, NFIT_OLD, fitlabel);
ly -= dly;
cpgtext(lx, ly, fitlabel);
/* cpgsci(6); */
/* cpgline(n_fit, x_fit, y_whole_fit); */
/* strcpy(fitlabel, "Stevens (New): "); */
/* fitstring(wparams, whole_fit_order, fitlabel); */
/* ly -= dly; */
/* cpgtext(lx, ly, fitlabel); */
/* cpgsvp(vpx1, vpx2, vpy1, vpy3); */
/* cpgsci(1); */
/* cpgswin(minx, maxx, 0.9, 1.1); */
/* cpgsch(1.0); */
/* cpgbox("BCLNTS",0,0,"BCMTS",0,0); */
/* cpglab("Frequency (MHz)", "Model Ratio", ""); */
/* cpgsci(2); */
/* cpgline(n_fit, x_fit, ratio_sault_fit); */
/* cpgsci(3); */
/* cpgline(n_fit, x_fit, ratio_new_fit); */
/* cpgsci(4); */
/* cpgline(n_fit, x_fit, ratio_reynolds_fit); */
/* cpgsci(5); */
/* cpgline(n_fit, x_fit, ratio_stevens_fit); */
cpgclos();
exit(0);
}
S_FUNC void
printtype(VALUE *vp)
{
int type;
char *s;
type = vp->v_type;
if (type < 0) {
printf("Error %d", -type);
return;
}
switch (type) {
case V_NUM:
printf("real = ");
fitprint(vp->v_num, 32);
return;
case V_COM:
printf("complex = ");
fitprint(vp->v_com->real, 8);
if (!vp->v_com->imag->num.sign)
printf("+");
fitprint(vp->v_com->imag, 8);
printf("i");
return;
case V_STR:
printf("string = \"");
fitstring(vp->v_str->s_str, vp->v_str->s_len, 50);
printf("\"");
return;
case V_NULL:
s = "null";
break;
case V_MAT:
s = "matrix";
break;
case V_LIST:
s = "list";
break;
case V_ASSOC:
s = "association";
break;
case V_OBJ:
printf("%s ", objtypename(
vp->v_obj->o_actions->oa_index));
s = "object";
break;
case V_FILE:
s = "file id";
break;
case V_RAND:
s = "additive 55 random state";
break;
case V_RANDOM:
s = "Blum random state";
break;
case V_CONFIG:
s = "config state";
break;
case V_HASH:
s = "hash state";
break;
case V_BLOCK:
s = "unnamed block";
break;
case V_NBLOCK:
s = "named block";
break;
case V_VPTR:
s = "value pointer";
break;
case V_OPTR:
s = "octet pointer";
break;
case V_SPTR:
s = "string pointer";
break;
case V_NPTR:
s = "number pointer";
break;
default:
s = "???";
break;
}
printf("%s", s);
}
