refactor vec2/math

common/accel-classic.hpp

@@ -3,7 +3,6 @@
 #include "rawaccel-base.hpp"
 #include "utility.hpp"
 
-#include <math.h>
 #include <float.h>
 
 namespace rawaccel {

common/accel-jump.hpp

@@ -2,12 +2,10 @@
 
 #include "rawaccel-base.hpp"
 
-#include <math.h>
-
 namespace rawaccel {
 
 	struct jump_base {
-		static constexpr double smooth_scale = 2 * PI;
+		static constexpr double smooth_scale = 2 * M_PI;
 
 		vec2d step;
 		double smooth_rate;

common/accel-lookup.hpp

@@ -3,8 +3,6 @@
 #include "rawaccel-base.hpp"
 #include "utility.hpp"
 
-#include <math.h>
-
 namespace rawaccel {
 
 	// represents the range [2^start, 2^stop], with num - 1

common/accel-motivity.hpp

@@ -2,8 +2,6 @@
 
 #include "accel-lookup.hpp"
 
-#include <math.h>
-
 namespace rawaccel {
 
 	template <bool Gain> struct loglog_sigmoid;

common/accel-natural.hpp

@@ -2,8 +2,6 @@
 
 #include "rawaccel-base.hpp"
 
-#include <math.h>
-
 namespace rawaccel {
 
 	/// <summary> Struct to hold "natural" (vanishing difference) acceleration implementation. </summary>

common/accel-power.hpp

@@ -2,7 +2,6 @@
 
 #include "rawaccel-base.hpp"
 
-#include <math.h>
 #include <float.h>
 
 namespace rawaccel {

common/common.vcxitems

@@ -30,7 +30,7 @@
     <ClInclude Include="$(MSBuildThisFileDirectory)rawaccel-version.h" />
     <ClInclude Include="$(MSBuildThisFileDirectory)rawaccel.hpp" />
     <ClInclude Include="$(MSBuildThisFileDirectory)utility-install.hpp" />
-    <ClInclude Include="$(MSBuildThisFileDirectory)vec2.h" />
+    <ClInclude Include="$(MSBuildThisFileDirectory)math-vec2.hpp" />
     <ClInclude Include="$(MSBuildThisFileDirectory)utility.hpp" />
   </ItemGroup>
 </Project>

common/math-vec2.hpp

@@ -0,0 +1,36 @@
+#pragma once
+
+#define _USE_MATH_DEFINES
+#include <math.h>
+
+template <typename T>
+struct vec2 {
+    T x;
+    T y;
+};
+
+using vec2d = vec2<double>;
+
+inline vec2d direction(double degrees)
+{
+    double radians = degrees * M_PI / 180;
+    return { cos(radians), sin(radians) };
+}
+
+constexpr vec2d rotate(const vec2d& v, const vec2d& direction)
+{
+    return {
+        v.x * direction.x - v.y * direction.y,
+        v.x * direction.y + v.y * direction.x
+    };
+}
+
+inline double magnitude(const vec2d& v)
+{
+    return sqrt(v.x * v.x + v.y * v.y);
+}
+
+inline double lp_distance(const vec2d& v, double p)
+{
+    return pow(pow(v.x, p) + pow(v.y, p), 1 / p);
+}

common/rawaccel-base.hpp

@@ -1,6 +1,6 @@
 #pragma once
 
-#include "vec2.h"
+#include "math-vec2.hpp"
 
 namespace rawaccel {
     using milliseconds = double;
@@ -22,7 +22,6 @@ namespace rawaccel {
     inline constexpr size_t LUT_POINTS_CAPACITY = LUT_RAW_DATA_CAPACITY / 2;
 
     inline constexpr double MAX_NORM = 16;
-    inline constexpr double PI = 3.14159265358979323846;
 
     inline constexpr bool LEGACY = 0;
     inline constexpr bool GAIN = 1;

common/rawaccel.hpp

@@ -4,30 +4,6 @@
 
 namespace rawaccel {
 
-    inline vec2d direction(double degrees)
-    {
-        double radians = degrees * PI / 180;
-        return { cos(radians), sin(radians) };
-    }
-
-    constexpr vec2d rotate(const vec2d& v, const vec2d& direction)
-    {
-        return {
-            v.x * direction.x - v.y * direction.y,
-            v.x * direction.y + v.y * direction.x
-        };
-    }
-
-    inline double magnitude(const vec2d& v)
-    {
-        return sqrt(v.x * v.x + v.y * v.y);
-    }
-
-    inline double lp_distance(const vec2d& v, double p)
-    {
-        return pow(pow(v.x, p) + pow(v.y, p), 1 / p);
-    }
-
     struct time_clamp {
         milliseconds min = DEFAULT_TIME_MIN;
         milliseconds max = DEFAULT_TIME_MAX;
@@ -100,16 +76,16 @@ namespace rawaccel {
 
             if (compute_ref_angle && in.y != 0) {
                 if (in.x == 0) {
-                    reference_angle = PI / 2;
+                    reference_angle = M_PI / 2;
                 }
                 else {
                     reference_angle = atan(fabs(in.y / in.x));
 
                     if (apply_snap) {
-                        double snap = args.degrees_snap * PI / 180;
+                        double snap = args.degrees_snap * M_PI / 180;
 
-                        if (reference_angle > PI / 2 - snap) {
+                        if (reference_angle > M_PI / 2 - snap) {
-                            reference_angle = PI / 2;
+                            reference_angle = M_PI / 2;
                             in = { 0, _copysign(magnitude(in), in.y) };
                         }
                         else if (reference_angle < snap) {
@@ -153,7 +129,7 @@ namespace rawaccel {
 
                 if (apply_directional_weight) {
                     double diff = args.range_weights.y - args.range_weights.x;
-                    weight += 2 / PI * reference_angle * diff;
+                    weight += 2 / M_PI * reference_angle * diff;
                 }
 
                 double scale = (*cb_x)(data.accel_x, args.accel_x, speed, weight);

common/vec2.h

@@ -1,9 +0,0 @@
-#pragma once
-
-template <typename T>
-struct vec2 {
-    T x;
-    T y;
-};
-
-using vec2d = vec2<double>;