Feature #10059 » using_define_method_for_Scalar_arithmetic.patch
| lib/matrix.rb | ||
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end
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# ARITHMETIC
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def +(other)
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case other
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when Numeric
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Scalar.new(@value + other)
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when Vector, Matrix
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Scalar.Raise ErrOperationNotDefined, "+", @value.class, other.class
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else
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apply_through_coercion(other, __method__)
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end
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end
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def -(other)
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case other
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when Numeric
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Scalar.new(@value - other)
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when Vector, Matrix
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Scalar.Raise ErrOperationNotDefined, "-", @value.class, other.class
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else
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apply_through_coercion(other, __method__)
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%i(+ -).each do |op|
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define_method(op) do |other|
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case other
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when Numeric
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Scalar.new(@value.send(op, other))
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when Vector, Matrix
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Scalar.Raise ErrOperationNotDefined, op, @value.class, other.class
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else
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apply_through_coercion(other, op)
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end
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end
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end
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