1 files changed, 43 insertions, 0 deletions
diff --git a/src/libnr/nr-rotate-ops.h b/src/libnr/nr-rotate-ops.h
new file mode 100644
index 000000000..4b60b9d0c
--- /dev/null
+++ b/src/libnr/nr-rotate-ops.h
@@ -0,0 +1,43 @@
+#ifndef SEEN_NR_ROTATE_OPS_H
+#define SEEN_NR_ROTATE_OPS_H
+#include <libnr/nr-rotate.h>
+
+namespace NR {
+
+inline Point operator*(Point const &v, rotate const &r)
+{
+    return Point(r.vec[X] * v[X] - r.vec[Y] * v[Y],
+                 r.vec[Y] * v[X] + r.vec[X] * v[Y]);
+}
+
+inline rotate operator*(rotate const &a, rotate const &b)
+{
+    return rotate( a.vec * b );
+}
+
+inline rotate &rotate::operator*=(rotate const &b)
+{
+    *this = *this * b;
+    return *this;
+}
+
+inline rotate operator/(rotate const &numer, rotate const &denom)
+{
+    return numer * denom.inverse();
+}
+
+}  /* namespace NR */
+
+
+#endif /* !SEEN_NR_ROTATE_OPS_H */
+
+/*
+  Local Variables:
+  mode:c++
+  c-file-style:"stroustrup"
+  c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
+  indent-tabs-mode:nil
+  fill-column:99
+  End:
+*/
+// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :