FixedDecimal._product

private FixedDecimal!(I, - 1) _product(FixedDecimal!(I, - 1) a, FixedDecimal!(I, - 1) b) static @safe pure

Exact product of two runtime-form operands: result scale s1 + s2, coefficient checked against the precision. Never rounds (design record D2/D3).

Throws

FixedDecimalException when the result scale exceeds the

precision or the product coefficient overflows it.