1 files changed, 17 insertions, 0 deletions
diff --git a/src/3rdparty/autotrace/epsilon-equal.h b/src/3rdparty/autotrace/epsilon-equal.h
new file mode 100644
index 0000000..8b547ba
--- /dev/null
+++ b/src/3rdparty/autotrace/epsilon-equal.h
@@ -0,0 +1,17 @@
+/* epsilon-equal.h: define an error resist compare. */
+
+#ifndef EPSILON_EQUAL_H
+#define EPSILON_EQUAL_H
+
+#include "types.h"
+
+/* Says whether V1 and V2 are within REAL_EPSILON of each other.
+   Fixed-point arithmetic would be better, to guarantee machine
+   independence, but it's so much more painful to work with.  The value
+   here is smaller than can be represented in either a `fix_word' or a
+   `scaled_num', so more precision than this will be lost when we
+   output, anyway.  */
+extern gboolean epsilon_equal(gfloat v1, gfloat v2);
+#define REAL_EPSILON 0.00001
+
+#endif /* not EPSILON_EQUAL_H */