class Calculator

Constants

COEFFICIENTS

Attributes

bw[R]

sex[R]

wl[R]

Public Class Methods

new(sex, bodyweight, weight_lifted) click to toggle source

# File lib/wilks_calc/calculator.rb, line 13
def initialize(sex, bodyweight, weight_lifted)
  @sex = sex
  @bw = bodyweight.to_f
  @wl = weight_lifted.to_f
end

Public Instance Methods

calculate() click to toggle source

# File lib/wilks_calc/calculator.rb, line 19
def calculate
  (wl * 500 / coeff_calculator).round(2)
end

coeff_calculator() click to toggle source

# File lib/wilks_calc/calculator.rb, line 23
def coeff_calculator()
  ('A'..'F').to_a.each_with_index.reduce(0) do |memo, (coeff, index)|
    memo += power(coeff, index)
  end
end

power(coeff, p) click to toggle source

# File lib/wilks_calc/calculator.rb, line 29
def power(coeff, p)
  COEFFICIENTS[coeff.to_sym][sex.to_sym] * bw ** p
end