From 2b70f5b2a1ca9154273d98fa518db47370c1af65 Mon Sep 17 00:00:00 2001
From: Lu Wang <coolwanglu@gmail.com>
Date: Wed, 30 Jan 2013 04:06:48 +0800
Subject: [PATCH] fix float point number comparison in install_*

---
 src/HTMLRenderer/install.cc | 8 ++++----
 src/util/math.h             | 2 +-
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/src/HTMLRenderer/install.cc b/src/HTMLRenderer/install.cc
index 1ec80ca..a3f7818 100644
--- a/src/HTMLRenderer/install.cc
+++ b/src/HTMLRenderer/install.cc
@@ -281,7 +281,7 @@ long long HTMLRenderer::install_whitespace(double ws_width, double & actual_widt
 {
     // ws_width is already mulitpled by draw_scale
     auto iter = whitespace_map.lower_bound(ws_width - param->h_eps);
-    if((iter != whitespace_map.end()) && (abs(iter->first - ws_width) < param->h_eps))
+    if((iter != whitespace_map.end()) && (abs(iter->first - ws_width) <= param->h_eps))
     {
         actual_width = iter->first;
         return iter->second;
@@ -297,7 +297,7 @@ long long HTMLRenderer::install_whitespace(double ws_width, double & actual_widt
 long long HTMLRenderer::install_rise(double rise)
 {
     auto iter = rise_map.lower_bound(rise - param->v_eps);
-    if((iter != rise_map.end()) && (abs(iter->first - rise) < param->v_eps))
+    if((iter != rise_map.end()) && (abs(iter->first - rise) <= param->v_eps))
     {
         return iter->second;
     }
@@ -311,7 +311,7 @@ long long HTMLRenderer::install_rise(double rise)
 long long HTMLRenderer::install_height(double height)
 {
     auto iter = height_map.lower_bound(height - EPS);
-    if((iter != height_map.end()) && (abs(iter->first - height) < EPS))
+    if((iter != height_map.end()) && (abs(iter->first - height) <= EPS))
     {
         return iter->second;
     }
@@ -324,7 +324,7 @@ long long HTMLRenderer::install_height(double height)
 long long HTMLRenderer::install_left(double left)
 {
     auto iter = left_map.lower_bound(left - param->h_eps);
-    if((iter != left_map.end()) && (abs(iter->first - left) < param->h_eps))
+    if((iter != left_map.end()) && (abs(iter->first - left) <= param->h_eps))
     {
         return iter->second;
     }
diff --git a/src/util/math.h b/src/util/math.h
index 9c9f5db..2966090 100644
--- a/src/util/math.h
+++ b/src/util/math.h
@@ -15,7 +15,7 @@
 namespace pdf2htmlEX {
 
 static inline double round(double x) { return (std::abs(x) > EPS) ? x : 0.0; }
-static inline bool equal(double x, double y) { return std::abs(x-y) < EPS; }
+static inline bool equal(double x, double y) { return std::abs(x-y) <= EPS; }
 static inline bool is_positive(double x) { return x > EPS; }
 static inline bool tm_equal(const double * tm1, const double * tm2, int size = 6)
 {