Make code more readable.

theano/gpuarray/blas.py

@@ -423,12 +423,11 @@ class GpuGemmBatch(BlasOp):
 
     def c_code(self, node, name, inp, out, sub):
         vars = dict(out=out[0], C=inp[0], alpha=inp[1], A=inp[2], B=inp[3],
-                    beta=inp[4], fail=sub['fail'], name=name)
+                    beta=inp[4], inplace=int(self.inplace),
+                    fail=sub['fail'], name=name)
         code = """
         int err;
-        """
-        if self.inplace:
-            code += """
+        if (%(inplace)s){
                    if (!GpuArray_ISONESEGMENT(&%(C)s->ga)) {
                      %(out)s = theano_try_copy(%(out)s, %(C)s);
                      if (%(out)s == NULL) {
@@ -439,15 +438,12 @@ class GpuGemmBatch(BlasOp):
                      %(out)s = %(C)s;
                      Py_INCREF(%(out)s);
                    }
-                   """ % vars
-        else:
-            code += """
+        } else {
                    %(out)s = theano_try_copy(%(out)s, %(C)s);
                    if (%(out)s == NULL) {
                        %(fail)s
                    }
-                   """ % vars
-        code += """
+        }
         err = GpuArray_rgemmBatch_3d(
             cb_no_trans, cb_no_trans,
             ((dtype_%(alpha)s *)PyArray_DATA(%(alpha)s))[0],
@@ -467,7 +463,7 @@ class GpuGemmBatch(BlasOp):
         return code
 
     def c_code_cache_version(self):
-        return (1,)
+        return (2,)
 
 gpugemmbatch_no_inplace = GpuGemmBatch(inplace=False)
 gpugemmbatch_inplace = GpuGemmBatch(inplace=True)