/* Monte Carlo methods, in Jsish */
function mcpi(n) {
    var x, y, m = 0;

    for (var i = 0; i < n; i += 1) {
        x = Math.random();
        y = Math.random();

        if (x * x + y * y < 1) {
            m += 1;
        }
    }

    return 4 * m / n;
}

if (Interp.conf('unitTest')) {
    Math.srand(0);
;    mcpi(1000);
;    mcpi(10000);
;    mcpi(100000);
;    mcpi(1000000);
}

/*
=!EXPECTSTART!=
mcpi(1000) ==> 3.108
mcpi(10000) ==> 3.1236
mcpi(100000) ==> 3.13732
mcpi(1000000) ==> 3.142124
=!EXPECTEND!=
*/