2018-03-25 16:15:39 +00:00
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# License: AGPL-3.0-or-later WITH Web-Template-Output-Additional-Permission-3.0-or-later
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2018-03-25 17:30:42 +00:00
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class Numeric
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# Works like Numeric#floor but uses an offset other than 1. Ex: 6.floor_for_delta(5) -> 5
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# @param [Integer] delta the integer offsets from zero to round down to
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# @return [Integer]
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def floor_for_delta(delta)
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raise ArgumentError.new('delta must be a positive integer') unless delta.is_a?(Integer) && delta > 0
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(self % delta).zero? ? self : ((self.to_i / delta)) * delta;
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end
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# Works like Numeric#ceil but uses an offset other than 1. Ex: 6.floor_for_delta(5) -> 10
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# @param [Integer] delta the integer offsets from zero to round up to
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# @return [Integer]
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def ceil_for_delta(delta)
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raise ArgumentError.new('delta must be a positive integer') unless delta.is_a?(Integer) && delta > 0
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(self % delta).zero? ? self : ((self.floor.to_i / delta)+1) * delta;
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end
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end
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