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instance method

BigDecimal#-@

-big_decimal → big_decimal

ext/bigdecimal/bigdecimal.c View on GitHub ↗

static VALUE
BigDecimal_neg(VALUE self)
{
    ENTER(5);
    Real *c, *a;
    GUARD_OBJ(a, GetVpValue(self, 1));
    GUARD_OBJ(c, VpCreateRbObject(a->Prec *(VpBaseFig() + 1), "0"));
    VpAsgn(c, a, -1);
    return ToValue(c);
}

Return the negation of self.

Example

-BigDecimal('5')  #=> -0.5e1

See also #- #/ #+@ #< also in 3.3 · 3.2 · 3.1

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