From 80ffeaf6d6cb00106991bb7cc202c957c3e10d34 Mon Sep 17 00:00:00 2001
From: Jacob Palecki <JacobPalecki@gmail.com>
Date: Sat, 26 Sep 2020 15:13:53 -0700
Subject: Remove logarithm

---
 common/accel-logarithm.hpp | 32 --------------------------------
 common/common.vcxitems     |  1 -
 common/rawaccel-settings.h |  2 +-
 common/rawaccel.hpp        |  3 ---
 4 files changed, 1 insertion(+), 37 deletions(-)
 delete mode 100644 common/accel-logarithm.hpp

(limited to 'common')

diff --git a/common/accel-logarithm.hpp b/common/accel-logarithm.hpp
deleted file mode 100644
index 044d23c..0000000
--- a/common/accel-logarithm.hpp
+++ /dev/null
@@ -1,32 +0,0 @@
-#pragma once
-
-#include <math.h>
-
-#include "accel-base.hpp"
-
-namespace rawaccel {
-
-	/// <summary> Struct to hold sigmoid (s-shaped) gain implementation. </summary>
-	struct logarithm_impl {
-		double rate;
-		double offset;
-		double additive_const;
-
-		logarithm_impl (const accel_args& args) :
-			rate(args.rate), offset (args.offset) {
-			additive_const = offset * rate;
-		}
-
-		inline double operator()(double speed) const {
-			double scaled_speed = rate * speed + 1;
-			double base_speed = speed + offset;
-
-			return (scaled_speed * log(scaled_speed) + additive_const ) / ( rate * base_speed) - 1;
-		}
-
-		inline double legacy_offset(double speed) const { return operator()(speed); }
-	};
-
-	using accel_logarithm = additive_accel<logarithm_impl>;
-
-}
diff --git a/common/common.vcxitems b/common/common.vcxitems
index 3407cf2..f8cbf28 100644
--- a/common/common.vcxitems
+++ b/common/common.vcxitems
@@ -19,7 +19,6 @@
     <ClInclude Include="$(MSBuildThisFileDirectory)accel-experimentone.hpp" />
     <ClInclude Include="$(MSBuildThisFileDirectory)accel-motivity.hpp" />
     <ClInclude Include="$(MSBuildThisFileDirectory)accel-linear.hpp" />
-    <ClInclude Include="$(MSBuildThisFileDirectory)accel-logarithm.hpp" />
     <ClInclude Include="$(MSBuildThisFileDirectory)accel-natural.hpp" />
     <ClInclude Include="$(MSBuildThisFileDirectory)accel-naturalgain.hpp" />
     <ClInclude Include="$(MSBuildThisFileDirectory)accel-noaccel.hpp" />
diff --git a/common/rawaccel-settings.h b/common/rawaccel-settings.h
index 93f4768..1a513ac 100644
--- a/common/rawaccel-settings.h
+++ b/common/rawaccel-settings.h
@@ -9,7 +9,7 @@ namespace rawaccel {
     inline constexpr milliseconds WRITE_DELAY = 1000;
 
     enum class accel_mode {
-        linear, classic, natural, naturalgain, power, logarithm, motivity, noaccel
+        linear, classic, natural, naturalgain, power, motivity, noaccel
     };
 
     struct settings {
diff --git a/common/rawaccel.hpp b/common/rawaccel.hpp
index 2e627c9..14db883 100644
--- a/common/rawaccel.hpp
+++ b/common/rawaccel.hpp
@@ -8,7 +8,6 @@
 
 #include "accel-linear.hpp"
 #include "accel-classic.hpp"
-#include "accel-logarithm.hpp"
 #include "accel-natural.hpp"
 #include "accel-naturalgain.hpp"
 #include "accel-power.hpp"
@@ -84,7 +83,6 @@ namespace rawaccel {
         case accel_mode::natural:     return vis(var.u.natural);
         case accel_mode::naturalgain: return vis(var.u.naturalgain);
         case accel_mode::power:       return vis(var.u.power);
-        case accel_mode::logarithm:   return vis(var.u.logarithm);
         case accel_mode::motivity:    return vis(var.u.motivity);
         default:                      return vis(var.u.noaccel);
         }
@@ -101,7 +99,6 @@ namespace rawaccel {
             accel_natural natural;
             accel_naturalgain naturalgain;
             accel_power power;
-            accel_logarithm logarithm;
             accel_motivity motivity;
             accel_noaccel noaccel = {};
         } u = {};
-- 
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