From 1cf8fe51a080f231984885b597515c376925925f Mon Sep 17 00:00:00 2001
From: Stefan Weil <sw@weilnetz.de>
Date: Mon, 5 Jun 2017 20:26:25 +0200
Subject: [PATCH] Remove mathfix.h

It was only needed for MS Visual Studio 2012 and older.
Those compilers are not supported for Tesseract.

Signed-off-by: Stefan Weil <sw@weilnetz.de>
---
 api/baseapi.cpp           |  1 -
 api/pdfrenderer.cpp       |  4 ----
 ccmain/equationdetect.cpp |  5 -----
 classify/featdefs.cpp     |  4 ----
 vs2010/port/mathfix.h     | 38 --------------------------------------
 5 files changed, 52 deletions(-)
 delete mode 100644 vs2010/port/mathfix.h

diff --git a/api/baseapi.cpp b/api/baseapi.cpp
index 883061f0f..54833d8fa 100644
--- a/api/baseapi.cpp
+++ b/api/baseapi.cpp
@@ -29,7 +29,6 @@
 #if defined(_WIN32)
 #ifdef _MSC_VER
 #include "vcsversion.h"
-#include "mathfix.h"
 #elif MINGW
 // workaround for stdlib.h with -std=c++11 for _splitpath and _MAX_FNAME
 #undef __STRICT_ANSI__
diff --git a/api/pdfrenderer.cpp b/api/pdfrenderer.cpp
index e97d9dd6a..36383c29e 100644
--- a/api/pdfrenderer.cpp
+++ b/api/pdfrenderer.cpp
@@ -28,10 +28,6 @@
 #include "strngs.h"
 #include "tprintf.h"
 
-#ifdef _MSC_VER
-#include "mathfix.h"
-#endif
-
 /*
 
 Design notes from Ken Sharp, with light editing.
diff --git a/ccmain/equationdetect.cpp b/ccmain/equationdetect.cpp
index 7e1d2a232..3c73418ae 100644
--- a/ccmain/equationdetect.cpp
+++ b/ccmain/equationdetect.cpp
@@ -17,11 +17,6 @@
 //
 ///////////////////////////////////////////////////////////////////////
 
-#ifdef _MSC_VER
-#pragma warning(disable:4244)  // Conversion warnings
-#include <mathfix.h>
-#endif
-
 #ifdef __MINGW32__
 #include <limits.h>
 #endif
diff --git a/classify/featdefs.cpp b/classify/featdefs.cpp
index 52b22edc7..2e8129002 100644
--- a/classify/featdefs.cpp
+++ b/classify/featdefs.cpp
@@ -18,10 +18,6 @@
 /*-----------------------------------------------------------------------------
           Include Files and Type Defines
 -----------------------------------------------------------------------------*/
-#ifdef _MSC_VER
-#include <mathfix.h>
-#endif
-
 #include "featdefs.h"
 #include "emalloc.h"
 #include "danerror.h"
diff --git a/vs2010/port/mathfix.h b/vs2010/port/mathfix.h
deleted file mode 100644
index 1b5759870..000000000
--- a/vs2010/port/mathfix.h
+++ /dev/null
@@ -1,38 +0,0 @@
-///////////////////////////////////////////////////////////////////////
-// File:        mathfix.h
-// Description: Implement missing math functions
-// Author:      zdenop
-// Created:     Fri Feb 03 06:45:06 CET 2012
-//
-// (C) Copyright 2012, Google Inc.
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-// http://www.apache.org/licenses/LICENSE-2.0
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-//
-///////////////////////////////////////////////////////////////////////
-
-#ifndef VS2008_INCLUDE_MATHFIX_H_
-#define VS2008_INCLUDE_MATHFIXT_H_
-
-#ifndef _MSC_VER
-#error "Use this header only with Microsoft Visual C++ compilers!"
-#endif
-
-#include <math.h>
-#include <float.h>  // for _isnan(), _finite() on VC++
-
-#if _MSC_VER < 1800
-#define isnan(x) _isnan(x)
-#define isinf(x) (!_finite(x))
-#define fmax max //VC++ does not implement all the provisions of C99 Standard
-#define round(x) roundf(x)
-inline float roundf(float num) { return num > 0 ? floorf(num + 0.5f) : ceilf(num - 0.5f); }
-#endif
-
-#endif  // VS2008_INCLUDE_MATHFIXT_H_