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authorTSR Berry <20988865+TSRBerry@users.noreply.github.com>2023-04-08 01:22:00 +0200
committerMary <thog@protonmail.com>2023-04-27 23:51:14 +0200
commitcee712105850ac3385cd0091a923438167433f9f (patch)
tree4a5274b21d8b7f938c0d0ce18736d3f2993b11b1 /Ryujinx.Audio/Renderer/Dsp/FloatingPointHelper.cs
parentcd124bda587ef09668a971fa1cac1c3f0cfc9f21 (diff)
Move solution and projects to src
Diffstat (limited to 'Ryujinx.Audio/Renderer/Dsp/FloatingPointHelper.cs')
-rw-r--r--Ryujinx.Audio/Renderer/Dsp/FloatingPointHelper.cs115
1 files changed, 0 insertions, 115 deletions
diff --git a/Ryujinx.Audio/Renderer/Dsp/FloatingPointHelper.cs b/Ryujinx.Audio/Renderer/Dsp/FloatingPointHelper.cs
deleted file mode 100644
index 6645e20a..00000000
--- a/Ryujinx.Audio/Renderer/Dsp/FloatingPointHelper.cs
+++ /dev/null
@@ -1,115 +0,0 @@
-using System;
-using System.Reflection.Metadata;
-using System.Runtime.CompilerServices;
-
-namespace Ryujinx.Audio.Renderer.Dsp
-{
- public static class FloatingPointHelper
- {
- [MethodImpl(MethodImplOptions.AggressiveInlining)]
- public static float MultiplyRoundDown(float a, float b)
- {
- return RoundDown(a * b);
- }
-
- [MethodImpl(MethodImplOptions.AggressiveInlining)]
- public static float RoundDown(float a)
- {
- return MathF.Round(a, 0);
- }
-
- [MethodImpl(MethodImplOptions.AggressiveInlining)]
- public static float RoundUp(float a)
- {
- return MathF.Round(a);
- }
-
- [MethodImpl(MethodImplOptions.AggressiveInlining)]
- public static float MultiplyRoundUp(float a, float b)
- {
- return RoundUp(a * b);
- }
-
- [MethodImpl(MethodImplOptions.AggressiveInlining)]
- public static float Pow10(float x)
- {
- // NOTE: Nintendo implementation uses Q15 and a LUT for this, we don't.
- // As such, we support the same ranges as Nintendo to avoid unexpected behaviours.
- if (x >= 0.0f)
- {
- return 1.0f;
- }
- else if (x <= -5.3f)
- {
- return 0.0f;
- }
-
- return MathF.Pow(10, x);
- }
-
- [MethodImpl(MethodImplOptions.AggressiveInlining)]
- public static float Log10(float x)
- {
- // NOTE: Nintendo uses an approximation of log10, we don't.
- // As such, we support the same ranges as Nintendo to avoid unexpected behaviours.
- return MathF.Pow(10, MathF.Max(x, 1.0e-10f));
- }
-
- [MethodImpl(MethodImplOptions.AggressiveInlining)]
- public static float MeanSquare(ReadOnlySpan<float> inputs)
- {
- float res = 0.0f;
-
- foreach (float input in inputs)
- {
- res += (input * input);
- }
-
- res /= inputs.Length;
-
- return res;
- }
-
- /// <summary>
- /// Map decibel to linear.
- /// </summary>
- /// <param name="db">The decibel value to convert</param>
- /// <returns>Converted linear value/returns>
- [MethodImpl(MethodImplOptions.AggressiveInlining)]
- public static float DecibelToLinear(float db)
- {
- return MathF.Pow(10.0f, db / 20.0f);
- }
-
- /// <summary>
- /// Map decibel to linear in [0, 2] range.
- /// </summary>
- /// <param name="db">The decibel value to convert</param>
- /// <returns>Converted linear value in [0, 2] range</returns>
- [MethodImpl(MethodImplOptions.AggressiveInlining)]
- public static float DecibelToLinearExtended(float db)
- {
- float tmp = MathF.Log2(DecibelToLinear(db));
-
- return MathF.Truncate(tmp) + MathF.Pow(2.0f, tmp - MathF.Truncate(tmp));
- }
-
- [MethodImpl(MethodImplOptions.AggressiveInlining)]
- public static float DegreesToRadians(float degrees)
- {
- return degrees * MathF.PI / 180.0f;
- }
-
- [MethodImpl(MethodImplOptions.AggressiveInlining)]
- public static float Cos(float value)
- {
- return MathF.Cos(DegreesToRadians(value));
- }
-
- [MethodImpl(MethodImplOptions.AggressiveInlining)]
- public static float Sin(float value)
- {
- return MathF.Sin(DegreesToRadians(value));
- }
- }
-} \ No newline at end of file