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pp2pt_Dmurp.c
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pp2pt_Dmurp.c
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/*
* note, doesn't allow files with more than one million lines; split up larger files
* inputs are file1 file2
* (both files with pre-computed angle info; default angmin, zdmin = 0, 200 linearly spaced bins in theta, dz with max corresponding to 500 Mpc/h, 30 zbins between 0.4 and .7)
*
* Created by ashleyr on 30/06/2010.
* Copyright 2010 __MyCompanyName__. All rights reserved.
*
*/
/* compile with
gcc -Wall -c utila.c
gcc -Wall -c pp2pt_Dmufb.c
gcc -Wall -o pp2pt_Dmufb pp2pt_Dmufb.o utila.o
*/
#include "headera.h"
#include <stdlib.h>
#include <stdio.h>
#include <math.h>
#include <time.h>
//#include <gsl/gsl_math.h>
//#include <gsl/gsl_linalg.h>
const char *ddir={"/mnt/lustre/ashleyr/pcadw/"};
const char *odir={"/mnt/lustre/ashleyr/paircounts/"};
main(int argc, char *argv[]) {
double *lcd = dvector(1,2000000);
double *lcr = dvector(1,2000000);
double *lsd = dvector(1,2000000);
double *lsr = dvector(1,2000000);
double *lw = dvector(1,2000000);
double *lzd = dvector(1,2000000);
double *lcd2 = dvector(1,2000000);
double *lcr2 = dvector(1,2000000);
double *lsd2 = dvector(1,2000000);
double *lsr2 = dvector(1,2000000);
double *lw2 = dvector(1,2000000);
double *lzd2 = dvector(1,2000000);
int i = 0;
int k = 0;
int j = 0;
int N = 0;
double ptot = 0;
double ti = time(NULL);
int nrbin = 250;
int nmubin = 100;
int nbin = nrbin*nmubin;
double maxr = 250.;
double minr = 0.0;
double binl[nbin];
for(int in=0;in<nbin;in++) {
binl[in] = 0;
}
char fxi_name[200];
char s1[200];
char s2[200];
sprintf(s1,argv[1]);
sprintf(s2,argv[2]);
strcpy(fxi_name,s1);
//sprintf(,strcat(fxi_name,"pcadw.dat"));
sprintf(fxi_name,"%s%spcadw.dat",ddir,s1);
FILE *fxi;
printf("%s %s\n",fxi_name,s2);
fxi=fopen(fxi_name,"r");
if (fxi == NULL) perror ("Error opening file");
int Nline=0;
const int bsz=10000;
char buf[bsz];
while(fgets(buf,bsz,fxi)!= NULL) {
int np;
double cd,cr,sr,sd,zde,w;
long double zd;
sscanf(buf,"%lf %lf %lf %lf %Lf %lf ",&sr,&cr,&sd,&cd,&zd,&w);
lcd[Nline] = cd;
lcr[Nline] = cr;
lsr[Nline] = sr;
lsd[Nline] = sd;
lw[Nline] = w;
lzd[Nline] = zd;
Nline++;
}
char st1[200];
strcpy(st1,s2);
char f2_name[200];
//sprintf(f2_name,strcat(st1,"pcadw.dat"));
sprintf(f2_name,"%s%spcadw.dat",ddir,st1);
FILE *f2;
printf("%s \n",f2_name);
f2=fopen(f2_name,"r");
if (f2 == NULL) perror ("Error opening file");
int Nline2=0;
const int bsz2=10000;
char buf2[bsz2];
while(fgets(buf2,bsz2,f2)!= NULL) {
double cd2,cr2,sr2,sd2,zde2,w2;
long double zd2;
sscanf(buf2,"%lf %lf %lf %lf %Lf %lf ",&sr2,&cr2,&sd2,&cd2,&zd2,&w2);
lcd2[Nline2] = cd2;
lcr2[Nline2] = cr2;
lsr2[Nline2] = sr2;
lsd2[Nline2] = sd2;
lw2[Nline2] = w2;
lzd2[Nline2] = zd2;
Nline2++;
}
printf("%i %i %f %f %f %f %f %f\n",Nline,Nline2,lcd2[10],lcd2[300],lzd2[5],lzd2[500],lcd[0],lcd[Nline2-1]);
//double be;
int be;
double r;
double rsq;
double a;
double wt2;
double mu;
double r1;
double r2;
double rrad;
double gtot = 0;
int bnt;
int bmu;
printf("%f\n",maxr);
double maxrsq = maxr*maxr;
double minrsq = minr*minr;
double rp;
printf("%f %f\n",maxr,maxrsq);
while (k<Nline) {
//while (k<1){
j = 0;
while (j<Nline2) {
//while (j < 100) {
wt2 = lw[k]*lw2[j];
gtot += wt2;
a = lcd[k]*lcd2[j]*(lcr[k]*lcr2[j] + lsr[k]*lsr2[j]) + lsd[k]*lsd2[j];
rsq = lzd[k]*lzd[k]+lzd2[j]*lzd2[j]-2.*lzd[k]*lzd2[j]*a;
/*;*/
if (rsq < maxrsq && rsq > minrsq) {
r = sqrt(rsq);
r1 = lzd2[j];
r2 = lzd[k];
rrad = fabs(r1-r2);
//if (rrad < 200) {
mu = rrad/r;
rp = r*sqrt(1.-mu*mu);
be = (rp-minr);
bmu = 100*mu;
bnt = be*100+bmu;
//printf("%d\n",bnt);
binl[bnt] += wt2;
//if (r < 20 and mu < .1) {
//printf("%f %f %f %f %f \n",r,rrad,mu,r1,r2);
// }
//}
}
//gtot += wt2/dde;
j++;
N+=1;
}
k++;
}
double tf = time(NULL)-ti;
printf("took %g\n",tf);
//printf("got through loop\n");
//printf("%f\n",gtot);
char foname[200];
if (s1==s2) {
printf("%s %s",s1,s2);
strcat(s1,"2ptdmurp.dat");
}
else {
strcat(s1,s2);
strcat(s1,"2ptdmurp.dat");
}
//sprintf(foname,s1);
sprintf(foname,"%s%s",odir,s1);
FILE *fo;
fo =fopen(foname,"w");
fprintf(fo,"%lf \n",gtot);
for (int pi=0; pi<nbin; pi++) {
fprintf(fo,"%lf \n",binl[pi]);
}
//fclose(fxi);
//exit(0);
}