Update R_object_helper.h (#1386)

3f54429c · Guolin Ke · Laurae · dc699574 · 3f54429c
Commit 3f54429c authored May 21, 2018 by Guolin Ke Committed by Laurae May 21, 2018
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include/LightGBM/R_object_helper.h include/LightGBM/R_object_helper.h +1 -1

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--- a/include/LightGBM/R_object_helper.h
+++ b/include/LightGBM/R_object_helper.h
@@ -33,7 +33,7 @@ struct lgbm_sxpinfo {
 // 64bit pointer
 #if INTPTR_MAX == INT64_MAX
-typedef ptrdiff_t R_xlen_t;
+typedef int64_t R_xlen_t;
 #else
 typedef int R_xlen_t;
 #endif