class MathWizard
Public Class Methods
abs_arr(arr)
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# File lib/math_wizard.rb, line 38 def self.abs_arr(arr) (0...arr.length).each do |i| arr[i] = arr[i].abs end arr end
add(*arr)
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# File lib/math_wizard.rb, line 8 def self.add(*arr) if arr[0].instance_of?(Array) if arr[0][0].instance_of?(Array) new_arr = [] (0...arr[0].length).each do |i| new_arr.push(arr[0][i].sum) end new_arr elsif arr[0].instance_of?(Array) new_arr = [] ind = 0 (0...arr.length).each do |i| ind = arr[i].length if arr[i].length > ind end (0...ind).each do |i| sum = 0 (0...arr.length).each do |j| sum += arr[j][i] if i < arr[j].length end new_arr.push(sum) end new_arr else arr[0].sum end else arr.sum end end
celsius(fahrenheit:)
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# File lib/math_wizard.rb, line 103 def self.celsius(fahrenheit:) (fahrenheit - 32) * (5 / 9) end
divide(*arr)
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# File lib/math_wizard.rb, line 57 def self.divide(*arr) actual_arr = [] if arr[0].instance_of?(Array) (0...arr[0].length).each do |i| actual_arr.push(arr[0][i] / arr[1][i]) end actual_arr else arr[0] / arr[1] end end
fahrenheit(celsius:)
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# File lib/math_wizard.rb, line 99 def self.fahrenheit(celsius:) ((9 / 5) * celsius) + 32 end
hi()
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# File lib/math_wizard.rb, line 4 def self.hi puts 'Hello world!' end
multiply(*arr)
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# File lib/math_wizard.rb, line 69 def self.multiply(*arr) if arr[0].instance_of?(Array) if arr[0][0].instance_of?(Array) new_arr = [] (0...arr[0].length).each do |i| new_arr.push(arr[0][i].inject(:*)) end new_arr elsif arr[0].instance_of?(Array) new_arr = [] ind = 0 (0...arr.length).each do |i| ind = arr[i].length if arr[i].length > ind end (0...ind).each do |i| sum_value = 1 (0...arr.length).each do |j| sum_value *= arr[j][i] if i < arr[j].length end new_arr.push(sum_value) end new_arr else arr[0].inject(:*) end else arr.inject(:*) end end
sub(*arr)
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# File lib/math_wizard.rb, line 45 def self.sub(*arr) actual_arr = [] if arr[0].instance_of?(Array) (0...arr[0].length).each do |i| actual_arr.push(arr[0][i] - arr[1][i]) end MathWizard.abs_arr(actual_arr) else (arr[0] - arr[1]).abs end end