Added SubArray tests for linalg/givens.jl.

test/linalg/givens.jl

@@ -15,6 +15,13 @@ for elty in (Float32, Float64, Complex64, Complex128)
     else
         A = convert(Matrix{elty}, complex(randn(10,10),randn(10,10)))
     end
+  for Atype in ("Array", "SubArray")
+     if Atype == "Array"
+        A = A
+    else
+        A = sub(A, 1:10, 1:10)
+    end
+
     Ac = copy(A)
     R = Base.LinAlg.Rotation(Base.LinAlg.Givens{elty}[])
     for j = 1:8
@@ -47,12 +54,15 @@ for elty in (Float32, Float64, Complex64, Complex128)
     @test_approx_eq ctranspose(K*eye(elty,10))*(K*eye(elty,10)) eye(elty, 10)
 
     # test that Givens * work for vectors
-    x = A[:,1]
+    if Atype == "Array"
+        x = A[:, 1]
+    else
+        x = sub(A, 1:10, 1)
+    end
     G, r = givens(x[2], x[4], 2, 4)
     @test (G*x)[2] ≈ r
     @test abs((G*x)[4]) < eps(real(elty))
 
-    x = A[:,1]
     G, r = givens(x, 2, 4)
     @test (G*x)[2] ≈ r
     @test abs((G*x)[4]) < eps(real(elty))
@@ -61,4 +71,5 @@ for elty in (Float32, Float64, Complex64, Complex128)
     @test (G*x)[4] ≈ r
     @test abs((G*x)[2]) < eps(real(elty))
 end
+end
 end #let