commit 92d52bf395eb68fc12260cc9d26c92b3ede67b38
author Gregory Chanan <gchanan@fb.com> Tue May 30 11:10:16 2017 -0700
committer Soumith Chintala <soumith@gmail.com> Sun Jun 11 04:33:54 2017 -0400
tree ee611e9b710d4485147cb3514f14f985f0254d10
parent 0463ddf16b5c72291992f79a62c9371d282de5e2

Add broadcasting support for copy_, simplify code generation by moving a lot of currently generated code to expand_utils.

generic/THCTensor.c

diff --git a/generic/THCTensor.c b/generic/THCTensor.c
index 57ff028..443b6bc 100644
--- a/generic/THCTensor.c
+++ b/generic/THCTensor.c
@@ -303,8 +303,8 @@
 
 int THCTensor_(expand)(THCState *state, THCTensor *r, THCTensor *tensor, THLongStorage *sizes, int raiseErrors) 
 {
-  THArgCheck(THCTensor_(nDimension)(state, tensor) > 0, 0, "can't expand an empty tensor");
   if (raiseErrors) {
+    THArgCheck(THCTensor_(nDimension)(state, tensor) > 0, 0, "can't expand an empty tensor");
     THArgCheck(THLongStorage_size(sizes) >= THCTensor_(nDimension)(state, tensor), 1,
                "the number of sizes provided must be greater or equal to the "
                "number of dimensions in the tensor");