[ftm-svn] SF.net SVN: ftm:[3758] trunk/ftm/ftmlib/classes/fmat.c

[<di...@us...>]

Revision: 3758
          http://sourceforge.net/p/ftm/code/3758
Author:   diemo
Date:     2020-08-09 08:28:00 +0000 (Sun, 09 Aug 2020)
Log Message:
-----------
64bit bug? int of a large float value can wrap to negative, need to check before trunc (better than re-check)

Modified Paths:
--------------
    trunk/ftm/ftmlib/classes/fmat.c

Modified: trunk/ftm/ftmlib/classes/fmat.c
===================================================================
--- trunk/ftm/ftmlib/classes/fmat.c	2020-08-04 17:46:57 UTC (rev 3757)
+++ trunk/ftm/ftmlib/classes/fmat.c	2020-08-09 08:28:00 UTC (rev 3758)
@@ -2311,15 +2311,15 @@
     else if(fts_is_float(at))
     {
       double i_arg = fts_get_float(at);
-      
-      if(i_arg > 0.0)
+
+      if (i_arg >= m - 1)
+        i = m - 1;
+      else if (i_arg < 0.0)
+        i = 0;
+      else
       {
-	i = (int)i_arg;
-	
-	if(i >= m - 1)
-	  i = m - 1;
-	else
-	  i_frac = i_arg - floor(i_arg);
+        i = (int)i_arg;
+        i_frac = i_arg - floor(i_arg);
       }
     }
     

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