From a31fd7f86bea249135b66010569c22982e0015af Mon Sep 17 00:00:00 2001
From: Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
Date: Thu, 14 May 2015 16:16:15 +0200
Subject: Common: Remove unused cruft from math_util, and remove a duplicated
Rect class in common_types.
---
src/common/math_util.cpp | 211 -----------------------------------------------
1 file changed, 211 deletions(-)
delete mode 100644 src/common/math_util.cpp
(limited to 'src/common/math_util.cpp')
diff --git a/src/common/math_util.cpp b/src/common/math_util.cpp
deleted file mode 100644
index bcb70cae59..0000000000
--- a/src/common/math_util.cpp
+++ /dev/null
@@ -1,211 +0,0 @@
-// Copyright 2013 Dolphin Emulator Project / 2014 Citra Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#include <cstring>
-#include <numeric> // Necessary on OS X, but not Linux
-
-#include "common/common_types.h"
-#include "common/math_util.h"
-
-namespace MathUtil
-{
-
-u32 ClassifyDouble(double dvalue)
-{
- // TODO: Optimize the below to be as fast as possible.
- IntDouble value;
- value.d = dvalue;
- u64 sign = value.i & DOUBLE_SIGN;
- u64 exp = value.i & DOUBLE_EXP;
- if (exp > DOUBLE_ZERO && exp < DOUBLE_EXP)
- {
- // Nice normalized number.
- return sign ? PPC_FPCLASS_NN : PPC_FPCLASS_PN;
- }
- else
- {
- u64 mantissa = value.i & DOUBLE_FRAC;
- if (mantissa)
- {
- if (exp)
- {
- return PPC_FPCLASS_QNAN;
- }
- else
- {
- // Denormalized number.
- return sign ? PPC_FPCLASS_ND : PPC_FPCLASS_PD;
- }
- }
- else if (exp)
- {
- //Infinite
- return sign ? PPC_FPCLASS_NINF : PPC_FPCLASS_PINF;
- }
- else
- {
- //Zero
- return sign ? PPC_FPCLASS_NZ : PPC_FPCLASS_PZ;
- }
- }
-}
-
-u32 ClassifyFloat(float fvalue)
-{
- // TODO: Optimize the below to be as fast as possible.
- IntFloat value;
- value.f = fvalue;
- u32 sign = value.i & FLOAT_SIGN;
- u32 exp = value.i & FLOAT_EXP;
- if (exp > FLOAT_ZERO && exp < FLOAT_EXP)
- {
- // Nice normalized number.
- return sign ? PPC_FPCLASS_NN : PPC_FPCLASS_PN;
- }
- else
- {
- u32 mantissa = value.i & FLOAT_FRAC;
- if (mantissa)
- {
- if (exp)
- {
- return PPC_FPCLASS_QNAN; // Quiet NAN
- }
- else
- {
- // Denormalized number.
- return sign ? PPC_FPCLASS_ND : PPC_FPCLASS_PD;
- }
- }
- else if (exp)
- {
- // Infinite
- return sign ? PPC_FPCLASS_NINF : PPC_FPCLASS_PINF;
- }
- else
- {
- //Zero
- return sign ? PPC_FPCLASS_NZ : PPC_FPCLASS_PZ;
- }
- }
-}
-
-
-} // namespace
-
-inline void MatrixMul(int n, const float *a, const float *b, float *result)
-{
- for (int i = 0; i < n; ++i)
- {
- for (int j = 0; j < n; ++j)
- {
- float temp = 0;
- for (int k = 0; k < n; ++k)
- {
- temp += a[i * n + k] * b[k * n + j];
- }
- result[i * n + j] = temp;
- }
- }
-}
-
-// Calculate sum of a float list
-float MathFloatVectorSum(const std::vector<float>& Vec)
-{
- return std::accumulate(Vec.begin(), Vec.end(), 0.0f);
-}
-
-void Matrix33::LoadIdentity(Matrix33 &mtx)
-{
- memset(mtx.data, 0, sizeof(mtx.data));
- mtx.data[0] = 1.0f;
- mtx.data[4] = 1.0f;
- mtx.data[8] = 1.0f;
-}
-
-void Matrix33::RotateX(Matrix33 &mtx, float rad)
-{
- float s = sin(rad);
- float c = cos(rad);
- memset(mtx.data, 0, sizeof(mtx.data));
- mtx.data[0] = 1;
- mtx.data[4] = c;
- mtx.data[5] = -s;
- mtx.data[7] = s;
- mtx.data[8] = c;
-}
-void Matrix33::RotateY(Matrix33 &mtx, float rad)
-{
- float s = sin(rad);
- float c = cos(rad);
- memset(mtx.data, 0, sizeof(mtx.data));
- mtx.data[0] = c;
- mtx.data[2] = s;
- mtx.data[4] = 1;
- mtx.data[6] = -s;
- mtx.data[8] = c;
-}
-
-void Matrix33::Multiply(const Matrix33 &a, const Matrix33 &b, Matrix33 &result)
-{
- MatrixMul(3, a.data, b.data, result.data);
-}
-
-void Matrix33::Multiply(const Matrix33 &a, const float vec[3], float result[3])
-{
- for (int i = 0; i < 3; ++i) {
- result[i] = 0;
- for (int k = 0; k < 3; ++k) {
- result[i] += a.data[i * 3 + k] * vec[k];
- }
- }
-}
-
-void Matrix44::LoadIdentity(Matrix44 &mtx)
-{
- memset(mtx.data, 0, sizeof(mtx.data));
- mtx.data[0] = 1.0f;
- mtx.data[5] = 1.0f;
- mtx.data[10] = 1.0f;
- mtx.data[15] = 1.0f;
-}
-
-void Matrix44::LoadMatrix33(Matrix44 &mtx, const Matrix33 &m33)
-{
- for (int i = 0; i < 3; ++i)
- {
- for (int j = 0; j < 3; ++j)
- {
- mtx.data[i * 4 + j] = m33.data[i * 3 + j];
- }
- }
-
- for (int i = 0; i < 3; ++i)
- {
- mtx.data[i * 4 + 3] = 0;
- mtx.data[i + 12] = 0;
- }
- mtx.data[15] = 1.0f;
-}
-
-void Matrix44::Set(Matrix44 &mtx, const float mtxArray[16])
-{
- for(int i = 0; i < 16; ++i) {
- mtx.data[i] = mtxArray[i];
- }
-}
-
-void Matrix44::Translate(Matrix44 &mtx, const float vec[3])
-{
- LoadIdentity(mtx);
- mtx.data[3] = vec[0];
- mtx.data[7] = vec[1];
- mtx.data[11] = vec[2];
-}
-
-void Matrix44::Multiply(const Matrix44 &a, const Matrix44 &b, Matrix44 &result)
-{
- MatrixMul(4, a.data, b.data, result.data);
-}
-
--
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