enable negative values in TShape (#125)

5973da05 · Sheng Zha · Tianqi Chen · 06c06f58 · 5973da05
Commit 5973da05 authored Jul 06, 2017 by Sheng Zha Committed by Tianqi Chen May 29, 2018
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nnvm/include/nnvm/tuple.h
+1 -1

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--- a/nnvm/include/nnvm/tuple.h
+++ b/nnvm/include/nnvm/tuple.h
@@ -216,7 +216,7 @@ class Tuple {
    // get (
    while (true) {
      char ch = is.peek();
-      if (isdigit(ch)) {
+      if (isdigit(ch) || ch == '-') {
        ValueType idx;
        if (is >> idx) {
          t.assign(&idx, &idx + 1);