bug fixed in atof

44c201c4 · Guolin Ke · GitHub · 7d4b6d44 · 44c201c4
Commit 44c201c4 authored Oct 20, 2016 by Guolin Ke Committed by GitHub Oct 20, 2016
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Showing with 12 additions and 10 deletions

include/LightGBM/utils/common.h include/LightGBM/utils/common.h +12 -10

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--- a/include/LightGBM/utils/common.h
+++ b/include/LightGBM/utils/common.h
@@ -148,6 +148,7 @@ inline static const char* Atof(const char* p, double* out) {
      && *(p + cnt) != ':')  {
      ++cnt;
    }
+    if(cnt > 0){
      std::string tmp_str(p, cnt);
      std::transform(tmp_str.begin(), tmp_str.end(), tmp_str.begin(), ::tolower);
      if (tmp_str == std::string("na") || tmp_str == std::string("nan")) {
@@ -160,6 +161,7 @@ inline static const char* Atof(const char* p, double* out) {
      }
      p += cnt;
    }
+  }

  while (*p == ' ') {
    ++p;