Behavior not the same: numjs.slice v.s. python array[1::2] about numjs HOT 4 CLOSED

diff --git a/src/ndarray.js b/src/ndarray.js
index 52c38d4..e4bf2f2 100644
--- a/src/ndarray.js
+++ b/src/ndarray.js
@@ -122,14 +122,14 @@ NdArray.prototype.slice = function () {
       step[i] = 1;
     } else {
       // assume it is an array
-      var start = (arg[0] < 0) ? arg[0] + tShape[i] : arg[0];
-      var end = (arg[1] < 0) ? arg[1] + tShape[i] : arg[1];
+      var start = (arg[0] < 0) ? arg[0] + tShape[i] + 1 : arg[0];
+      var end = arg[1] === null ? arg[0] < 0 ? 0 : tShape[i] : (arg[1] < 0) ? arg[1] + tShape[i] : arg[1];
       lo[i] = end ? start : 0;
       hi[i] = end ? end - start : start;
       step[i] = arg[2] || 1;
     }
   }
-