2 files changed, 6 insertions, 4 deletions
diff --git a/libdimension/pattern/checker.c b/libdimension/pattern/checker.c
index cce9623..9f378ac 100644
--- a/libdimension/pattern/checker.c
+++ b/libdimension/pattern/checker.c
@@ -23,15 +23,16 @@
  * Checker pattern.
  */
 
+#include "internal.h"
 #include "dimension/pattern.h"
 
 /// Checker pattern callback.
 static double
 dmnsn_checker_pattern_fn(const dmnsn_pattern *checker, dmnsn_vector v)
 {
-  double xmod = fmod(v.x, 2.0);
-  double ymod = fmod(v.y, 2.0);
-  double zmod = fmod(v.z, 2.0);
+  double xmod = fmod(v.X, 2.0);
+  double ymod = fmod(v.Y, 2.0);
+  double zmod = fmod(v.Z, 2.0);
 
   if (xmod < -dmnsn_epsilon)
     xmod += 2.0;
diff --git a/libdimension/pattern/leopard.c b/libdimension/pattern/leopard.c
index 1a7bce0..f17bb19 100644
--- a/libdimension/pattern/leopard.c
+++ b/libdimension/pattern/leopard.c
@@ -23,6 +23,7 @@
  * Leopard pattern.
  */
 
+#include "internal.h"
 #include "dimension/pattern.h"
 #include <math.h>
 
@@ -30,7 +31,7 @@
 static double
 dmnsn_leopard_pattern_fn(const dmnsn_pattern *leopard, dmnsn_vector v)
 {
-  double val = (sin(v.x) + sin(v.y) + sin(v.z))/3.0;
+  double val = (sin(v.X) + sin(v.Y) + sin(v.Z))/3.0;
   return val*val;
 }