method

mult

v2_1_10 - Show latest stable - Class: BigDecimal

mult(p1, p2)

public

Multiply by the specified value.

e.g.

c = a.mult(b,n)
c = a * b

digits

If specified and less than the number of significant digits of the

result, the result is rounded to that number of digits, according to BigDecimal.mode.

static VALUE
BigDecimal_mult2(VALUE self, VALUE b, VALUE n)
{
    ENTER(2);
    Real *cv;
    SIGNED_VALUE mx = GetPositiveInt(n);
    if (mx == 0) return BigDecimal_mult(self, b);
    else {
        size_t pl = VpSetPrecLimit(0);
        VALUE   c = BigDecimal_mult(self, b);
        VpSetPrecLimit(pl);
        GUARD_OBJ(cv, GetVpValue(c, 1));
        VpLeftRound(cv, VpGetRoundMode(), mx);
        return ToValue(cv);
    }
}

mult

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