Change clamp calls for compatibility with armadillo older than 10.5

src/methods/lsh/lsh.cpp

@@ -115,7 +115,7 @@ void searchWithQuery(float *querySetMatArr, SP_integer querySetMatSize, SP_integ
     }
 
     // float32 cant handle values over 1.0e+38
-    distancesReturnMat.clamp(-1.0e+38, 1.0e+38);
+    distancesReturnMat = clamp(distancesReturnMat, -1.0e+38, 1.0e+38);
     
 
     // return the Matrices
@@ -158,7 +158,7 @@ void searchNoQuery(SP_integer k,
     }
 
     // float32 cant handle values over 1.0e+38
-    distancesReturnMat.clamp(-1.0e+38, 1.0e+38);
+    distancesReturnMat = clamp(distancesReturnMat, -1.0e+38, 1.0e+38);
 
     // return the Matrices
     returnMatrixInformation(resultingNeighborsReturnMat, resultingNeighborsMatArr, resultingNeighborsMatColNum, resultingNeighborsMatRowNum);