From 47c7f81c160adf8b60048b36c19af236110a3060 Mon Sep 17 00:00:00 2001
From: Aaron LI <aly@aaronly.me>
Date: Tue, 31 Oct 2017 16:32:33 +0800
Subject: Remove astro/cosmo_calc: replaced by
 chandra-acis-analysis/bin/cosmo_calc.py

---
 astro/cosmo_calc/adapt_trapezoid.h | 124 -------------------------------------
 1 file changed, 124 deletions(-)
 delete mode 100644 astro/cosmo_calc/adapt_trapezoid.h

(limited to 'astro/cosmo_calc/adapt_trapezoid.h')

diff --git a/astro/cosmo_calc/adapt_trapezoid.h b/astro/cosmo_calc/adapt_trapezoid.h
deleted file mode 100644
index 35d22b4..0000000
--- a/astro/cosmo_calc/adapt_trapezoid.h
+++ /dev/null
@@ -1,124 +0,0 @@
-#ifndef ADAPT_TRAPEZOID_H
-#define ADAPT_TRAPEZOID_H
-#include <list>
-#include <utility>
-#include <cassert>
-//#include <iostream>
-
-//using namespace std;
-
-template<typename T1,typename T2,typename T3>
-class triple
-{
- public:
-  T1 first;
-  T2 second;
-  T3 third;
-  triple(T1 x1,T2 x2,T3 x3)
-    :first(x1),second(x2),third(x3)
-    {
-    }
-};
-
-
-template<typename T1,typename T2,typename T3>
-triple<T1,T2,T3> make_triple(T1 x1,T2 x2,T3 x3)
-{
-  return triple<T1,T2,T3>(x1,x2,x3);
-}
-
-template <typename T>
-T trapezoid(T (*fun)(T),T x1,T x2,T err_limit)
-{
-  int n=256;
-  T result;
-  const int max_division=24;
-  T old_value=0;
-  for(int i=1;i<max_division;i++)
-    {
-      result=0.;
-      n*=2;
-      T step=(x2-x1)/n;
-      for(int j=0;j<n;j++)
-	{
-	  result+=(fun(x1+(j+1)*step)+fun(x1+j*step))*step/T(2.);
-	}
-      old_value-=result;
-      old_value=old_value<0?-old_value:old_value;
-      if(old_value<err_limit)
-	{
-	  return result;
-	}
-      old_value=result;
-    }
-}
-
-
-template <typename T>
-T adapt_trapezoid(T (*fun)(T),T x1,T x2,T err_limit)
-{
-  //  const err_limit=.001;
-  typedef triple<T,T,bool> interval;
-  /*T for interval type,
-    bool for state trur for still to be updated,
-    false for do not need to be updated
-   */
-  std::list<interval> interval_list;
-  T current_sum=((fun(x1)+fun(x2))/2.*(x2-x1));
-  interval_list.push_back(make_triple(x1,current_sum,true));
-  interval_list.push_back(make_triple(x2,(T)0.,true));
-  bool int_state=1;
-  int n_intervals=1;
-  while(int_state)
-    {
-      //std::cout<<n_intervals<<std::endl;
-      int_state=0;
-      typename std::list<interval>::iterator i1=interval_list.begin();
-      typename std::list<interval>::iterator i2=interval_list.begin();
-      i2++;
-      for(;i2!=interval_list.end();i1++,i2=i1,i2++)
-	{
-	  //cout<<i1->first<<"\t"<<i2->first<<endl;
-	  //assert(i2->first>i1->first);
-	  if(i1->third)
-	    {
-	      interval new_interval((i1->first+i2->first)/2,0,true);
-	      
-	      T sum1,sum2;
-	      sum1=(fun(new_interval.first)+fun(i1->first))/2*(new_interval.first-i1->first);
-	      sum2=(fun(new_interval.first)+fun(i2->first))/2*(i2->first-new_interval.first);
-	      new_interval.second=sum2;
-	      T err;
-	      err=i1->second-sum1-sum2;
-	      err=err<0?-err:err;
-
-	      if(err>err_limit/n_intervals)
-		{
-		  i1->second=sum1;
-		  interval_list.insert(i2,new_interval);
-		  n_intervals++;
-		  if(n_intervals>10e6)
-		    {
-		      
-		      break;
-		    }
-		}
-	      else
-		{
-		  i1->third=false;
-		}
-	      int_state=1;
-	    }
-	}
-      
-    }
-  T result=0;
-  for(typename std::list<interval>::iterator i=interval_list.begin();i!=interval_list.end();i++)
-    {
-      result+=i->second;
-    }
-  return result;
-}
-
-#endif
-//end of the file
-- 
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