/* * call-seq: * dvector.as_exponent_of(number) -> a_dvector * dvector.as_exponent_of(other) -> a_dvector * * When argument is a number, this operation returns a copy of _dvector_ with each entry x replaced by _number_ ** x. * When argument is a vector, this operation returns a copy of _dvector_ with each entry x replaced * by the corresponding entry in the _other_ vector raised to the power x. * * a = Dvector[ 2, -5, 12 ] * a.as_exponent_of(3.8) -> Dvector[ 3.8 ** 2, 3.8 ** (-5), 3.8 ** 12 ] * b = Dvector[ 7.1, 4.9, -10 ] * a.as_exponent_of(b) -> Dvector[ 7.1 ** 2, 4.9 ** (-5), (-10) ** 12 ] */ VALUE dvector_as_exponent_of(VALUE ary, VALUE arg) {