split common.h into separate interface header files

git-svn-id: http://svn.code.sf.net/p/netpbm/code/trunk@3299 9d0c8265-081b-0410-96cb-a4ca84ce46f8

1 files changed, 41 insertions, 0 deletions

diff --git a/generator/pamtris/utils.h b/generator/pamtris/utils.h
new file mode 100644
index 00000000..8b945acd
--- /dev/null
+++ b/generator/pamtris/utils.h
@@ -0,0 +1,41 @@
+#ifndef UTIL_H_INCLUDED
+#define UTIL_H_INCLUDED
+
+#include "fract.h"
+
+void
+gen_steps(const int32_t * begin,
+          const int32_t * end,
+          fract *         out,
+          uint8_t         elements,
+          int32_t         divisor);
+
+void
+step_up(fract *       vars,
+        const fract * steps,
+        uint8_t       elements,
+        int32_t       divisor);
+
+void
+multi_step_up(fract *       vars,
+              const fract * steps,
+              uint8_t       elements,
+              int32_t       times,
+              int32_t       divisor);
+
+void
+fract_to_int32_array(const fract * in,
+                     int32_t     * out,
+                     uint8_t       elements);
+
+void
+int32_to_fract_array(const int32_t * in,
+                     fract *         out,
+                     uint8_t         elements);
+
+void
+sort3(uint8_t *       index_array,
+      const int32_t * y_array,
+      const int32_t * x_array);
+
+#endif