use Test::More *;

is(sqrt(4.0), 2);
# "abs", "atan2", "cos", "exp", "hex", "int", "log", "oct", "rand",
# "sin", "sqrt", "srand",

# abs
is(abs(-3.14), 3.14);
is(abs(3.14), 3.14);

is(atan2(0, 0), 0);

is(cos(0), 1);
is(exp(0), 1);

is(hex('0xAF'), 175);
is(hex('aF'), 175);

is(typeof(int('53')), 'Int');
is(int('53'), 53);

is(log(1), 0);

is(oct('777'), 511);

is(sin(0), 0);

done_testing();