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Implemented 36-bit multiplication with support for (up to) 72-bit results

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This commit is contained in:
Jeff Parsons 2017-02-13 11:46:58 -08:00 • committed by Jeff Parsons
commit f03a5686e5
3 changed files with 106 additions and 17 deletions
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17
modules/shared/bin/int36
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@ -44,7 +44,7 @@ var i36Reg = new Int36();
*/
function dumpInt36(i36)
{
return i36.toString() + " (" + i36.toString(8, true) + ")";
return i36.toString() + " [" + i36.toString(8, true) + "]";
}
/**
@ -93,7 +93,8 @@ function test(sCmd, fREPL)
return false;
}
console.log(sOp + (sNum1? (" " + dumpInt36(i36Op)) : "") + ": " + dumpInt36(i36Reg));
console.log(sOp + " " + dumpInt36(i36Op));
if (sOp != "set") console.log(" = " + dumpInt36(i36Reg));
return true;
}
@ -115,12 +116,20 @@ var onCommand = function (cmd, context, filename, callback)
};
test("set -34,359,738,368");
test("add 1");
test("sub 1");
test("sub 1");
test("add 1");
test("add 0");
for (let i = 0; i <= 12; i++) {
test("set 34,000,000,000");
test("mul " + Math.pow(8, i));
}
for (let i = 0; i <= 12; i++) {
test("set -34,000,000,000");
test("mul " + Math.pow(8, i));
}
repl.start({
prompt: "int36> ",
input: process.stdin,