import numpy as np
import math

#massmax = 1.2e9
massmin = 1.0e6
bins =41  # 300
binwidth = 0.1 #math.log10(massmax/massmin)/bins
massmax = 10**(math.log10(massmin)+bins*binwidth)
#eV_erg = 6.24e11

f=open('PopIII_haloes_renmants.txt','r')

fo = open('PopIII_histogram_renmants.txt','w')

halolist = []
PopIIIremnant = []
PopIIIstar = []

line = f.readline()
while line != '':
   halomass = float(line.split()[0])
   halolist.append(halomass)
   PopIIIremnant.append(int(line.split()[1]))
   PopIIIstar.append(int(line.split()[4]))
   line = f.readline()

halocount = np.zeros(bins+1)
totalremnant = np.zeros(bins+1)
totalstar = np.zeros(bins+1)
totalhalo = np.zeros(bins+1)

for halomass,remnant,star in zip(halolist,PopIIIremnant,PopIIIstar):
   index = int((math.log10(halomass/massmin)+0.5*binwidth)/binwidth)
   if (remnant+star) > 0:
     halocount[index] = halocount[index] + 1
     if remnant > 0:
         totalremnant[index] = totalremnant[index] + remnant
     if star >0:
         totalstar[index] = totalstar[index] + star
   totalhalo[index] = totalhalo[index] + 1

cumulationremnant = 0.0
cumulationstar = 0.0
bin = math.log10(massmin) + 0.5*binwidth
for count,remnant,star,halo in zip(halocount,totalremnant,totalstar,totalhalo):
    cumulationremnant = cumulationremnant + remnant
    cumulationstar = cumulationstar + star
    fo.write(str(10**bin)+" "+str(count)+" "+str(halo)+" "+str(remnant)+" "+str(cumulationremnant)+\
     " "+str(star)+" "+str(cumulationstar)+" "+str(((remnant+star)/count if count > 0 else 0))+"\n")
    bin =  bin + binwidth

f.close()
fo.close()