faster libsvm parser

2015-04-17 22:07:59 -07:00
parent c528c1e8e6
commit 788785f164
6 changed files with 348 additions and 62 deletions
--- a/src/utils/utils.h
+++ b/src/utils/utils.h
@@ -174,5 +174,13 @@ inline const T *BeginPtr(const std::vector<T> &vec) {
    return &vec[0];
  }
 }
+inline char* BeginPtr(std::string &str) {
+  if (str.length() == 0) return NULL;
+  return &str[0];
+}
+inline const char* BeginPtr(const std::string &str) {
+  if (str.length() == 0) return NULL;
+  return &str[0];
+}
 }  // namespace xgboost
 #endif  // XGBOOST_UTILS_UTILS_H_