Lab5

.circleci/config.yml

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+version: 2.1
+jobs:
+  build:
+    machine:
+      image: ubuntu-2004:202101-01
+
+    steps:
+      - checkout       
+      - run: |
+             sudo apt-get update 
+             sudo apt-get install ruby 
+
+      - run: |
+             sudo apt-get update
+             sudo apt-get install rubocop      
+             gem install rubocop-rspec   
+      - run: |
+             gem install reek
+      - run: |
+             sudo apt-get install libboost-all-dev
+      - run: |
+             ruby test.rb
+             rubocop .

.gitignore

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+.DS_Store
+lab.rb
+/.vscode

README.md

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+[![CircleCI](https://circleci.com/gh/Dan1aR/ruby_lab/tree/lab5.svg?style=shield)](https://circleci.com/gh/Dan1aR/ruby_lab/tree/lab5)
+
+
 # ruby_lab
 Андреев Данил ИУ6-33Б - Лабораторные работы по ЯИП

funcmodule.rb

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+# frozen_string_literal: true
+
+def calc_f(x_param, y_param)
+  ((x_param - 1).abs**0.5 - y_param.abs**0.5) / (1 + x_param**2 / 2 + y_param**2 / 4)
+end
+
+def decrypt_str(str)
+  str.force_encoding('UTF-8')
+  abc = 'абвгдеёжзийклмнопрстуфхцчшщъыьэюя'
+  str.each_char.map do |s_i|
+    c = s_i.eql?(' ') ? ' ' : abc[(abc.index(s_i.downcase) + 1) % abc.length]
+    /[[:upper:]]/.match(s_i) ? c.upcase : c
+  end.join('')
+end

main.rb

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+# frozen_string_literal: true
+
+require_relative 'funcmodule'
+
+puts('Enter x, y:')
+x, y = gets.split.map(&:to_f)
+puts calc_f(x, y)
+
+puts('Enter your string:')
+str = gets.chomp
+puts "#{str.force_encoding('UTF-8')} :: #{decrypt_str(str)}"

test.rb

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+# frozen_string_literal: false
+
+require 'minitest/autorun'
+require_relative 'funcmodule'
+
+# Lab5 Testing class
+class TestRobot < Minitest::Test
+  def test_calc_f
+    assert_in_delta(-0.0021352323706365726, calc_f(10, 10), 0.000001)
+  end
+
+  def test_decrypt_str
+    test_str = 'Привет это строка'
+    assert_equal 'Рсйгёу юуп тусплб', decrypt_str(test_str)
+  end
+end