modified parser to limit precision

1 files changed, 9 insertions, 6 deletions

diff --git a/vowpalwabbit/parse_primitives.h b/vowpalwabbit/parse_primitives.h
index 90a4f9e4..4d1a6ce9 100644
--- a/vowpalwabbit/parse_primitives.h
+++ b/vowpalwabbit/parse_primitives.h
@@ -143,7 +143,7 @@ inline void print_substring(substring s)
 inline float parseFloat(char * p, char **end)
 {
   char* start = p;
-
+  
   if (!*p)
     return 0;
   int s = 1;
@@ -156,15 +156,18 @@ inline float parseFloat(char * p, char **end)
   float acc = 0;
   while (*p >= '0' && *p <= '9')
     acc = acc * 10 + *p++ - '0';
-  
+
   int num_dec = 0;
   if (*p == '.') {
-    p++;
-    while (*p >= '0' && *p <= '9') {
-      acc = acc *10 + (*p++ - '0') ;
-      num_dec++;
+    while (*(++p) >= '0' && *p <= '9') {
+      if (num_dec < 10)
+	{
+	  acc = acc *10 + (*p - '0');
+	  num_dec++;
+	}
     }
   }
+
   int exp_acc = 0;
   if(*p == 'e' || *p == 'E'){
     p++;