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Add a function to convert degree to radian.

Godzil 4 年之前
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1f4b14c896
共有 2 個文件被更改,包括 9 次插入0 次删除
  1. 4 0
      source/include/math_helper.h
  2. 5 0
      source/math_helper.cpp

+ 4 - 0
source/include/math_helper.h

@@ -10,7 +10,11 @@
 #ifndef DORAYME_MATH_HELPER_H
 #define DORAYME_MATH_HELPER_H
 
+#include <math.h>
+
 void set_equal_precision(double v);
 bool double_equal(double a, double b);
 
+double deg_to_rad(double deg);
+
 #endif //DORAYME_MATH_HELPER_H

+ 5 - 0
source/math_helper.cpp

@@ -22,3 +22,8 @@ bool double_equal(double a, double b)
 {
     return fabs(a - b) < current_precision;
 }
+
+double deg_to_rad(double deg)
+{
+   return deg * M_PI / 180.;
+}