Fix wrong spelling of _f16_ok

theano/compile/ops.py

@@ -215,7 +215,7 @@ class Shape(gof.Op):
 
     @note: Non-differentiable.
     """
-    _fp16_ok = True
+    _f16_ok = True
 
     # Mapping from Type to C code (and version) to use.
     # In the C code, the name of the input variable is %(iname)s,
@@ -310,7 +310,7 @@ class Shape_i(gof.Op):
 
     @note: Non-differentiable.
     """
-    _fp16_ok = True
+    _f16_ok = True
 
     # Mapping from Type to C code (and version) to use.
     # In the C code, the name of the input variable is %(iname)s,

theano/sandbox/gpuarray/subtensor.py

@@ -21,7 +21,7 @@ from .comp import NVCC_compiler
 
 
 class GpuSubtensor(HideC, Subtensor):
-    _fp16_ok = True
+    _f16_ok = True
 
     def make_node(self, x, *inputs):
         rval = tensor.Subtensor.make_node(self, x, *inputs)