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Parallel numerical verification of the σ_odd problem  October 6, 2018
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helper.cpp File Reference
#include "../helper/helper.hpp"
#include "helper.hpp"
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Namespaces

 sigmaodd
 A lot of functions and stuffs to deal the sigma_odd problem and related stuffs.
 

Functions

nat_type sigmaodd::floor_eighth_root (nat_type n)
 Return the eighth root of n rounded to below. More...
 
nat_type sigmaodd::floor_fourth_root (nat_type n)
 Return the fourth root of n rounded to below. More...
 
nat_type sigmaodd::floor_square_root (nat_type n)
 Return the square root of n rounded to below. More...
 
std::vector< nat_typesigmaodd::load_bad_table (const std::string &filename, const std::vector< nat_type > &bad_table=std::vector< nat_type >())
 Read a file that contains list of bad numbers, add after bad_table, and return the result. More...
 
std::vector< nat_typesigmaodd::load_numbers (const std::string &filename)
 Read the file and extract each natural number begining a line. Return the list of these numbers. More...
 

Detailed Description

(January 17, 2018)

GPLv3 — Copyright (C) 2017, 2018 Olivier Pirson http://www.opimedia.be/

Definition in file helper.cpp.