/* * call-seq: * dvector.as_exponent_of!(number) -> dvector * dvector.as_exponent_of!(other) -> dvector * * When argument is a number, this operation replaces each entry x of _dvector_ by _number_ ** x. * When argument is a vector, this operation replaces each entry x of _dvector_ * 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 ] * a -> 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 ] * a -> Dvector[ 7.1 ** 2, 4.9 ** (-5), (-10) ** 12 ] */ VALUE dvector_as_exponent_of_bang(VALUE ary, VALUE arg) {