[Core] Grammar, move defs to defs

Math constant definitions belong in `math_defs.h`. Also, the grammer in these files really needed some updating.

1 files changed, 50 insertions, 9 deletions

diff --git a/core/math/math_defs.h b/core/math/math_defs.h
index d3484d8d02..a5feee6eb5 100644
--- a/core/math/math_defs.h
+++ b/core/math/math_defs.h
@@ -36,30 +36,71 @@
 #define CMP_NORMALIZE_TOLERANCE 0.000001
 #define CMP_POINT_IN_PLANE_EPSILON 0.00001
 
+#define Math_SQRT12 0.7071067811865475244008443621048490
+#define Math_SQRT2 1.4142135623730950488016887242
+#define Math_LN2 0.6931471805599453094172321215
+#define Math_TAU 6.2831853071795864769252867666
+#define Math_PI 3.1415926535897932384626433833
+#define Math_E 2.7182818284590452353602874714
+#define Math_INF INFINITY
+#define Math_NAN NAN
+
 #ifdef DEBUG_ENABLED
 #define MATH_CHECKS
 #endif
 
 #define USEC_TO_SEC(m_usec) ((m_usec) / 1000000.0)
-/**
-  * "Real" is a type that will be translated to either floats or fixed depending
-  * on the compilation setting
-  */
 
 enum ClockDirection {
-
 	CLOCKWISE,
 	COUNTERCLOCKWISE
 };
 
-#ifdef REAL_T_IS_DOUBLE
+enum Orientation {
 
-typedef double real_t;
+	HORIZONTAL,
+	VERTICAL
+};
 
-#else
+enum HAlign {
 
-typedef float real_t;
+	HALIGN_LEFT,
+	HALIGN_CENTER,
+	HALIGN_RIGHT
+};
+
+enum VAlign {
+
+	VALIGN_TOP,
+	VALIGN_CENTER,
+	VALIGN_BOTTOM
+};
 
+enum Margin {
+
+	MARGIN_LEFT,
+	MARGIN_TOP,
+	MARGIN_RIGHT,
+	MARGIN_BOTTOM
+};
+
+enum Corner {
+
+	CORNER_TOP_LEFT,
+	CORNER_TOP_RIGHT,
+	CORNER_BOTTOM_RIGHT,
+	CORNER_BOTTOM_LEFT
+};
+
+/**
+  * The "Real" type is an abstract type used for real numbers, such as 1.5, 
+  * in contrast to integer numbers. Precision can be controlled with the
+  * presence or absence of the REAL_T_IS_DOUBLE define. 
+  */
+#ifdef REAL_T_IS_DOUBLE
+typedef double real_t;
+#else
+typedef float real_t;
 #endif
 
 #endif // MATH_DEFS_H