Changeset 8333 for code/branches/kicklib2/src/libraries/util/Math.h

Timestamp:

Apr 26, 2011, 4:46:26 AM (13 years ago)

Author:

rgrieder

Message:

Removed double precision versions of the mathematical constants and added math::twoPi.

File:

• code/branches/kicklib2/src/libraries/util/Math.h (modified) (1 diff)

code/branches/kicklib2/src/libraries/util/Math.h

@@ -66 +66 @@
 namespace orxonox
 {
-    // C++ doesn't define any constants for pi, e, etc.
+    /** Often used numerical constants because C++ doesn't define any.
+    @note
+        The values here are decimal representations of the approximate floating
+        point value as it is stored according to the IEEE 754 standard.
+    */
     namespace math
     {
-        const float pi      = 3.14159265f;      ///< PI
-        const float pi_2    = 1.57079633f;      ///< PI / 2
-        const float pi_4    = 7.85398163e-1f;   ///< PI / 4
-        const float e       = 2.71828183f;      ///< e
-        const float sqrt2   = 1.41421356f;      ///< sqrt(2)
-        const float sqrt2_2 = 7.07106781e-1f;   ///< sqrt(2) / 2
-
-        const double pi_d      = 3.14159265358979324;       ///< PI (double)
-        const double pi_2_d    = 1.57079632679489662;       ///< PI / 2 (double)
-        const double pi_4_d    = 7.85398163397448310e-1;    ///< PI / 4 (double)
-        const double e_d       = 2.71828182845904524;       ///< e (double)
-        const double sqrt2_d   = 1.41421356237309505;       ///< sqrt(2) (double)
-        const double sqrt2_2_d = 7.07106781186547524e-1;    ///< sqrt(2) / 2 (double)
+        const float twoPi   = 6.283185482025146484375f;     ///< PI * 2
+        const float pi      = 3.1415927410125732421875f;    ///< PI
+        const float pi_2    = 1.57079637050628662109375f;   ///< PI / 2
+        const float pi_4    = 0.785398185253143310546875f;  ///< PI / 4
+        const float e       = 2.718281269073486328125f;     ///< e
+        const float sqrt2   = 1.41421353816986083984375f;   ///< sqrt(2)
+        const float sqrt2_2 = 0.707106769084930419921875f;  ///< sqrt(2) / 2
     }