Squashed and signed (#8330)

Signed-off-by: shams <shamsazeem20@gmail.com>

datavec/datavec-api/src/main/java/org/datavec/api/transform/ndarray/NDArrayScalarOpTransform.java

@@ -89,7 +89,8 @@ public class NDArrayScalarOpTransform extends BaseColumnTransform {
                 a.divi(scalar);
                 break;
             case Modulus:
-                throw new UnsupportedOperationException(mathOp + " is not supported for NDArrayWritable");
+                a.fmodi(scalar);
+                break;
             case ReverseSubtract:
                 a.rsubi(scalar);
                 break;