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The exponentiation and exponentiation assignment operands allow raising
the base operand value to the given power.
1. The `**` operator returns the result of raising the first operand to
the power of the second operand.
-- Expect stdout --
[
1,
4,
9223372036854775808,
-9223372036854775808,
-0.25,
2.75568
]
-- End --
-- Testcase --
{%
printf("%.J\n", [
2 ** 0,
2 ** 2,
2 ** 63,
-2 ** 63,
-2 ** -2,
1.5 ** 2.5
]);
%}
-- End --
2. The `**=` operator raises the lhs variable or field value to the
power value in the rhs expression.
-- Expect stdout --
[
4,
-0.25,
2.75568
]
-- End --
-- Testcase --
{%
x = 2;
y = -2;
z = 1.5;
x **= 2;
y **= -2;
z **= 2.5;
printf("%.J\n", [ x, y, z ]);
%}
-- End --
|
