From 69ceff7dbdef3869d07d7316102bc8fa12a0524e Mon Sep 17 00:00:00 2001
From: Duan Yao <duanyao@ustc.edu>
Date: Tue, 17 Jun 2014 17:20:13 +0800
Subject: [PATCH] Delete an unintentionally commited file.

---
 src/util/math.bk.cc | 72 ---------------------------------------------
 1 file changed, 72 deletions(-)
 delete mode 100644 src/util/math.bk.cc

diff --git a/src/util/math.bk.cc b/src/util/math.bk.cc
deleted file mode 100644
index 0abafaf..0000000
--- a/src/util/math.bk.cc
+++ /dev/null
@@ -1,72 +0,0 @@
-#include <cstring>
-#include <limits>
-#include <algorithm>
-
-#include "math.h"
-
-using std::min;
-using std::max;
-
-namespace pdf2htmlEX {
-
-void tm_transform(const double * tm, double & x, double & y, bool is_delta)
-{
-    double xx = x, yy = y;
-    x = tm[0] * xx + tm[2] * yy;
-    y = tm[1] * xx + tm[3] * yy;
-    if(!is_delta)
-    {
-        x += tm[4];
-        y += tm[5];
-    }
-}
-
-void tm_multiply(const double * tm_left, const double * tm_right, double * tm_result)
-{
-    double old[4];
-    memcpy(old, tm_left, sizeof(old));
-
-    tm_result[0] = tm_left[0] * tm_right[0] + tm_left[2] * tm_right[1];
-    tm_result[1] = tm_left[1] * tm_right[0] + tm_left[3] * tm_right[1];
-    tm_result[2] = tm_left[0] * tm_right[2] + tm_left[2] * tm_right[3];
-    tm_result[3] = tm_left[1] * tm_right[2] + tm_left[3] * tm_right[3];
-    tm_result[4] += tm_left[0] * tm_right[4] + tm_left[2] * tm_right[5];
-    tm_result[5] += tm_left[1] * tm_right[4] + tm_left[3] * tm_right[5];
-}
-
-void tm_transform_bbox(const double * tm, double * bbox)
-{
-    double & x1 = bbox[0];
-    double & y1 = bbox[1];
-    double & x2 = bbox[2];
-    double & y2 = bbox[3];
-    double _[4][2];
-    _[0][0] = _[1][0] = x1;
-    _[0][1] = _[2][1] = y1;
-    _[2][0] = _[3][0] = x2;
-    _[1][1] = _[3][1] = y2;
-
-    x1 = y1 = std::numeric_limits<double>::max();
-    x2 = y2 = std::numeric_limits<double>::min();
-    for(int i = 0; i < 4; ++i)
-    {
-        auto & x = _[i][0];
-        auto & y = _[i][1];
-        tm_transform(tm, x, y);
-        if(x < x1) x1 = x;
-        if(x > x2) x2 = x;
-        if(y < y1) y1 = y;
-        if(y > y2) y2 = y;
-    }
-}
-
-bool bbox_intersect(double * bbox1, double * bbox2)
-{
-    return min(bbox1[0], bbox1[2]) < max(bbox2[0], bbox2[2])
-        && max(bbox1[0], bbox1[2]) > min(bbox2[0], bbox2[2])
-        && min(bbox1[1], bbox1[3]) < max(bbox2[1], bbox2[3])
-        && max(bbox1[1], bbox1[3]) > min(bbox2[1], bbox2[3]);
-}
-
-} //namespace pdf2htmlEX 
-