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//-------------------------------------------------------------------
// name: randomize()
// desc: random number generation example...
// to show the effects of alternating between
// 1) explicitly seeding the random number generator (RNG)
// -- AND --
// 2) implicitly seeding the RNG with a practially
// unpredicable seed
//
// requires: chuck-1.5.0.4 or higher
//
// author: Ge Wang (https://ccrma.stanford.edu/~ge/)
// date: Summer 2023
//-------------------------------------------------------------------
// explicit seed
10513 => int EXPLICIT_SEED;
// how many to print each round
8 => int HOW_MANY;
// how long to wait between each number
100::ms => dur T;
fun void generate( int howMany, dur T, int indents )
{
int i;
repeat(howMany)
{
T => now;
repeat(indents) cherr <= " ";
<<< ++i, Math.random2(1,100) >>>;
}
}
while( true )
{
// explicit seeding
<<< "--------------------------------------", "" >>>;
<<< "seeding RNG with", EXPLICIT_SEED, "SAME EACH TIME!" >>>;
<<< "--------------------------------------", "" >>>;
Math.srandom( EXPLICIT_SEED );
// generate
generate( HOW_MANY, T, 0 );
// wait a bit
5*T => now;
<<< "********************", "" >>>;
<<< "SHAKING THINGS UP!!!", "" >>>;
<<< "********************", "" >>>;
Math.randomize();
// generate
generate( HOW_MANY, T, 16 );
// wait a bit
5*T => now;
}
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