Fixed bug in splines even more.

Author: c-lipka

source/base/version.h

@@ -45,7 +45,7 @@
 #define OFFICIAL_VERSION_STRING "3.7.1"
 #define OFFICIAL_VERSION_NUMBER 371
 
-#define POV_RAY_PRERELEASE "alpha.8498353"
+#define POV_RAY_PRERELEASE "alpha.8498421"
 
 #if (POV_RAY_IS_AUTOBUILD == 1) && ((POV_RAY_IS_OFFICIAL == 1) || (POV_RAY_IS_SEMI_OFFICIAL == 1))
 #ifdef POV_RAY_PRERELEASE

source/core/math/spline.cpp

@@ -675,13 +675,13 @@ void Insert_Spline_Entry(GenericSpline * sp, DBL p, const EXPRESS& v)
         // If p matches the _last_ spline entry, `findt()` is implemented to return `sp->SplineEntries.size()`
         // instead of the index of the matching entry; this has some benefits in the other places `findt()` is used,
         // but requires the following workaround here.
-        if (i == sp->SplineEntries.size() && (sp->SplineEntries[i-1].par == p))
+        if (i < sp->SplineEntries.size())
+            replace = (sp->SplineEntries[i].par == p);
+        else if (sp->SplineEntries[i-1].par == p)
         {
             --i;
             replace = true;
         }
-        else
-            replace = (sp->SplineEntries[i].par == p);
     }
     if(replace)
     {

unix/VERSION

@@ -1 +1 @@
-3.7.1-alpha.8498353
+3.7.1-alpha.8498421