Make GpuEye ok with offsets.

theano/gpuarray/basic_ops.py

@@ -1630,7 +1630,9 @@ class GpuEye(GpuKernelBase, Op):
 
     def gpu_kernels(self, node, name):
         code = """
-KERNEL void eye(GLOBAL_MEM %(ctype)s *a, ga_size n, ga_size m, ga_ssize k) {
+KERNEL void eye(GLOBAL_MEM %(ctype)s *a, ga_size a_off,
+                ga_size n, ga_size m, ga_ssize k) {
+    a = (GLOBAL_MEM %(ctype)s *)(((char *)a) + a_off);
     ga_ssize coff = max(k, (ga_ssize) 0);
     ga_ssize roff = -min(k, (ga_ssize) 0);
     ga_size nb = (ga_size) min(n - roff, m - coff);
@@ -1641,7 +1643,8 @@ KERNEL void eye(GLOBAL_MEM %(ctype)s *a, ga_size n, ga_size m, ga_ssize k) {
             name=name, write_a=write_w(self.dtype))
         return [Kernel(
                 code=code, name="eye",
-                params=[gpuarray.GpuArray, gpuarray.SIZE, gpuarray.SIZE, gpuarray.SSIZE],
+                params=[gpuarray.GpuArray, gpuarray.SIZE, gpuarray.SIZE,
+                        gpuarray.SIZE, gpuarray.SSIZE],
                 flags=Kernel.get_flags(self.dtype),
                 objvar='k_eye_' + name)]
 
@@ -1685,7 +1688,8 @@ KERNEL void eye(GLOBAL_MEM %(ctype)s *a, ga_size n, ga_size m, ga_ssize k) {
         col_off = (size_t) (k > 0?k:0);
         row_off = (size_t) (k < 0?-k:0);
         if (row_off < dims[0] && col_off < dims[1]) {
-            err = eye_call(1, &gs, &ls, 0, %(z)s->ga.data, dims[0], dims[1], k);
+            err = eye_call(1, &gs, &ls, 0, %(z)s->ga.data, %(z)s->ga.offset,
+                           dims[0], dims[1], k);
             if (err != GA_NO_ERROR) {
                 PyErr_Format(PyExc_RuntimeError,
                              "gpuarray error: kEye: %%s. n%%lu, m=%%lu.",
@@ -1702,4 +1706,4 @@ KERNEL void eye(GLOBAL_MEM %(ctype)s *a, ga_size n, ga_size m, ga_ssize k) {
         return s
 
     def c_code_cache_version(self):
-        return (7,)
+        return (8,)