From 0788b1ecc737029f0ed478e247b89bdfdeffa836 Mon Sep 17 00:00:00 2001
From: pjrm <pjrm@users.sourceforge.net>
Date: Sun, 20 May 2007 07:40:16 +0000
Subject: [PATCH] doc

---
 src/libnr/nr-rect.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/libnr/nr-rect.h b/src/libnr/nr-rect.h
index 04f446487..46aff13f4 100644
--- a/src/libnr/nr-rect.h
+++ b/src/libnr/nr-rect.h
@@ -53,6 +53,7 @@ public:
     /** returns the midpoint of this rect. */
     Point midpoint() const;
 
+    /** True iff either width or height is less than \a epsilon. */
     bool isEmpty(double epsilon=1e-6) const {
         return isEmpty<X>(epsilon) || isEmpty<Y>(epsilon);
     }
@@ -264,6 +265,7 @@ struct NRRect {
 #define nr_rect_d_set_empty(r) (*(r) = NR_RECT_EMPTY)
 #define nr_rect_l_set_empty(r) (*(r) = NR_RECT_L_EMPTY)
 
+/** "Empty" here includes the case of zero width or zero height. */
 #define nr_rect_d_test_empty(r) ((r) && NR_RECT_DFLS_TEST_EMPTY(r))
 #define nr_rect_l_test_empty(r) ((r) && NR_RECT_DFLS_TEST_EMPTY(r))
 
-- 
2.30.2