From 44dd3de98535236dff597db2363dc71004724991 Mon Sep 17 00:00:00 2001
From: Alex Black <blacka101@gmail.com>
Date: Thu, 29 Mar 2018 15:10:47 +1100
Subject: [PATCH] Additional util method for Shape class (#2799)

---
 .../java/org/nd4j/linalg/api/shape/Shape.java     | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/nd4j-backends/nd4j-api-parent/nd4j-api/src/main/java/org/nd4j/linalg/api/shape/Shape.java b/nd4j-backends/nd4j-api-parent/nd4j-api/src/main/java/org/nd4j/linalg/api/shape/Shape.java
index 728c5d1b62..1dabfe3164 100644
--- a/nd4j-backends/nd4j-api-parent/nd4j-api/src/main/java/org/nd4j/linalg/api/shape/Shape.java
+++ b/nd4j-backends/nd4j-api-parent/nd4j-api/src/main/java/org/nd4j/linalg/api/shape/Shape.java
@@ -2598,4 +2598,19 @@ public static boolean areShapesBroadcastable(@NonNull int[] x, @NonNull int[] y)
 
         return true;
     }
+
+
+    public static boolean hasDefaultStridesForShape(INDArray input){
+        if(!strideDescendingCAscendingF(input)){
+            return false;
+        }
+        char order = input.ordering();
+        int[] defaultStrides;
+        if(order == 'f'){
+            defaultStrides = ArrayUtil.calcStridesFortran(input.shape());
+        } else {
+            defaultStrides = ArrayUtil.calcStrides(input.shape());
+        }
+        return Arrays.equals(input.stride(), defaultStrides);
+    }
 }