Fix to use proper rounding mode names

Author: jessealama

examples/round.js

@@ -11,64 +11,36 @@ let zeroPointSix = new Decimal128("0.6");
 let onePointFive = new Decimal128("1.5");
 
 // ceiling
-"-1" === minusOnePointFive.round(0, "ceil").toString();
-"1" === zeroPointFour.round(0, "ceil").toString();
-"1" === zeroPointFive.round(0, "ceil").toString();
-"1" === zeroPointSix.round(0, "ceil").toString();
-"2" === onePointFive.round(0, "ceil").toString();
+"-1" === minusOnePointFive.round(0, "roundTowardPositive").toString();
+"1" === zeroPointFour.round(0, "roundTowardPositive").toString();
+"1" === zeroPointFive.round(0, "roundTowardPositive").toString();
+"1" === zeroPointSix.round(0, "roundTowardPositive").toString();
+"2" === onePointFive.round(0, "roundTowardPositive").toString();
 
 // floor
-"-2" === minusOnePointFive.round(0, "floor").toString();
-"0" === zeroPointFour.round(0, "floor").toString();
-"0" === zeroPointFive.round(0, "floor").toString();
-"0" === zeroPointSix.round(0, "floor").toString();
-"1" === onePointFive.round(0, "floor").toString();
-
-// expand
-"-2" === minusOnePointFive.round(0, "expand").toString();
-"1" === zeroPointFour.round(0, "expand").toString();
-"1" === zeroPointFive.round(0, "expand").toString();
-"1" === zeroPointSix.round(0, "expand").toString();
-"2" === onePointFive.round(0, "expand").toString();
+"-2" === minusOnePointFive.round(0, "roundTowardNegative").toString();
+"0" === zeroPointFour.round(0, "roundTowardNegative").toString();
+"0" === zeroPointFive.round(0, "roundTowardNegative").toString();
+"0" === zeroPointSix.round(0, "roundTowardNegative").toString();
+"1" === onePointFive.round(0, "roundTowardNegative").toString();
 
 // truncate
-"-1" === minusOnePointFive.round(0, "trunc").toString();
-"0" === zeroPointFour.round(0, "trunc").toString();
-"0" === zeroPointFive.round(0, "trunc").toString();
-"0" === zeroPointSix.round(0, "trunc").toString();
-"1" === onePointFive.round(0, "trunc").toString();
-
-// round ties to ceiling
-"-1" === minusOnePointFive.round(0, "halfCeil").toString();
-"0" === zeroPointFour.round(0, "halfCeil").toString();
-"1" === zeroPointFive.round(0, "halfCeil").toString();
-"1" === zeroPointSix.round(0, "halfCeil").toString();
-"2" === onePointFive.round(0, "halfCeil").toString();
-
-// round ties to floor
-"-2" === minusOnePointFive.round(0, "halfFloor").toString();
-"0" === zeroPointFour.round(0, "halfFloor").toString();
-"0" === zeroPointFive.round(0, "halfFloor").toString();
-"1" === zeroPointSix.round(0, "halfFloor").toString();
-"1" === onePointFive.round(0, "halfFloor").toString();
+"-1" === minusOnePointFive.round(0, "roundTowardZero").toString();
+"0" === zeroPointFour.round(0, "roundTowardZero").toString();
+"0" === zeroPointFive.round(0, "roundTowardZero").toString();
+"0" === zeroPointSix.round(0, "roundTowardZero").toString();
+"1" === onePointFive.round(0, "roundTowardZero").toString();
 
 // round ties away from zero
-"-2" === minusOnePointFive.round(0, "halfExpand").toString();
-"0" === zeroPointFour.round(0, "halfExpand").toString();
-"1" === zeroPointFive.round(0, "halfExpand").toString();
-"1" === zeroPointSix.round(0, "halfExpand").toString();
-"2" === onePointFive.round(0, "halfExpand").toString();
-
-// round ties to toward zero
-"-1" === minusOnePointFive.round(0, "halfTrunc").toString();
-"0" === zeroPointFour.round(0, "halfTrunc").toString();
-"0" === zeroPointFive.round(0, "halfTrunc").toString();
-"1" === zeroPointSix.round(0, "halfTrunc").toString();
-"1" === onePointFive.round(0, "halfTrunc").toString();
+"-2" === minusOnePointFive.round(0, "roundTiesToAway").toString();
+"0" === zeroPointFour.round(0, "roundTiesToAway").toString();
+"1" === zeroPointFive.round(0, "roundTiesToAway").toString();
+"1" === zeroPointSix.round(0, "roundTiesToAway").toString();
+"2" === onePointFive.round(0, "roundTiesToAway").toString();
 
 // round ties to even
-"-2" === minusOnePointFive.round(0, "halfEven").toString();
-"0" === zeroPointFour.round(0, "halfEven").toString();
-"0" === zeroPointFive.round(0, "halfEven").toString();
-"1" === zeroPointSix.round(0, "halfEven").toString();
-"2" === onePointFive.round(0, "halfEven").toString();
+"-2" === minusOnePointFive.round(0, "roundTiesToEven").toString();
+"0" === zeroPointFour.round(0, "roundTiesToEven").toString();
+"0" === zeroPointFive.round(0, "roundTiesToEven").toString();
+"1" === zeroPointSix.round(0, "roundTiesToEven").toString();
+"2" === onePointFive.round(0, "roundTiesToEven").toString();