From 8851d9f8fdc60bc2b36bff2053d12240c6e4df17 Mon Sep 17 00:00:00 2001
From: jared <jared2020@163.com>
Date: Mon, 26 Apr 2021 17:47:11 +0800
Subject: [PATCH] add MathHelp

---
 .../TaoCommon/src/TaoCommon/Common/MathHelp.h | 39 +++++++++++++++++++
 .../TaoCommon/src/TaoCommon/TaoCommon.pri     |  1 +
 2 files changed, 40 insertions(+)
 create mode 100644 3rdparty/TaoCommon/src/TaoCommon/Common/MathHelp.h

diff --git a/3rdparty/TaoCommon/src/TaoCommon/Common/MathHelp.h b/3rdparty/TaoCommon/src/TaoCommon/Common/MathHelp.h
new file mode 100644
index 0000000..dae7ddd
--- /dev/null
+++ b/3rdparty/TaoCommon/src/TaoCommon/Common/MathHelp.h
@@ -0,0 +1,39 @@
+#pragma once
+#include <cmath>
+#include <QtGlobal>
+#include <algorithm>
+//inRange 检查  value 小于等于 max， 大于等于min
+
+//inRange<T>通用模版函数
+template<typename T>
+static bool inRange(const T &value, const T &min, const T &max)
+{
+    if (min <= value && value <= max) {
+        return true;
+    }
+    return false;
+}
+//inRange<double> 模版偏特化，遇到double时，使用std的浮点数比较代替 常规比较。规避精度误差
+template<>
+static bool inRange<double>(const double &value, const double &min, const double &max)
+{
+    if (std::isgreaterequal(value, min) && std::islessequal(value, max)) {
+        return true;
+    }
+    return false;
+}
+//inRange<float> 模版偏特化，遇到float时，使用std的浮点数比较代替 常规比较。规避精度误差
+template<>
+static bool inRange<float>(const float &value, const float &min, const float &max)
+{
+    if (std::isgreaterequal(value, min) && std::islessequal(value, max)) {
+        return true;
+    }
+    return false;
+}
+//clamp, 限制 value在 [min - Max]区间.
+template<typename T>
+static T clamp(const T &value, const T &min, const T &max)
+{
+    return std::max(min,std::min(value, max));
+}
diff --git a/3rdparty/TaoCommon/src/TaoCommon/TaoCommon.pri b/3rdparty/TaoCommon/src/TaoCommon/TaoCommon.pri
index 8e419ea..0007f3e 100644
--- a/3rdparty/TaoCommon/src/TaoCommon/TaoCommon.pri
+++ b/3rdparty/TaoCommon/src/TaoCommon/TaoCommon.pri
@@ -11,6 +11,7 @@ HEADERS += \
     $$PWD/Common/Package.h \
     $$PWD/Common/PropertyHelper.h \
     $$PWD/Common/Subject.h \
+    $$PWD/Common/MathHelp.h \
     $$PWD/Frameless/TaoFrameLessView.h \
     $$PWD/Logger/Logger.h \
     $$PWD/Logger/LoggerTemplate.h \