Created
November 15, 2014 10:48
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bmi calculator
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| cal_bmi = (weight_kg, height_cm) -> | |
| height_m = height_cm/100 | |
| bmi = weight_kg / (height_m * height_m) | |
| f_bmi = Math.floor(bmi) | |
| diff = Math.round((bmi - f_bmi) * 10) | |
| if diff == 10 # Need to bump up the whole thing instead | |
| f_bmi += 1 | |
| diff = 0 | |
| return "#{f_bmi}.#{diff}" |
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