Initial Commit

lambda/totalType.js

@@ -0,0 +1,42 @@
+function toTotalType(number_1, number_2, decimal_1, decimal_2){
+    const number = (makeTwosComplement32BitInt(
+        numberTo16BitBinary(number_1),
+        numberTo16BitBinary(number_2)
+    ));
+    const decimal = (makeTwosComplement32BitInt(
+        numberTo16BitBinary(decimal_1),
+        numberTo16BitBinary(decimal_2)
+    ));
+    return number + decimal / 1000000000
+}
+
+function numberTo16BitBinary(num){
+    const binString = ("0".repeat(16) + num.toString(2)).slice(-16);
+    return binString;
+}
+
+function binary16BitToNumber(binRep){
+    const intRep = parseInt(binRep, 2);
+    return intRep;
+}
+
+function makeBinaryStringFrom32BitInt(intVal){
+    const bin32 = ("0".repeat(32) + intVal.toString(2)).slice(-32);
+    return [ bin32.substr(0,16), bin32.substr(16,16) ]
+}
+
+function makeTwosComplement32BitInt(high, low){
+    const combined = high + low;
+    let intVal = parseInt(combined, 2);
+    if (high[0] === "1"){
+        let twosString = [];
+        for(let bit in combined){
+            const newBit = combined[bit] === "0" ? 1 : 0;
+            twosString.push(newBit)
+        }
+        intVal = -1 * (parseInt(twosString.join(""), 2) + 1);
+    }
+    return intVal;
+}
+
+console.log(toTotalType(65535, 65534, 4577, 41728));