From 00e3a81161ef7d45c0a4eb7f212cd6522afea394 Mon Sep 17 00:00:00 2001
From: gburri <gregory.burri@master.hes-so.ch>
Date: Wed, 1 Oct 2014 22:09:41 +0200
Subject: [PATCH] =?utf8?q?Impl=C3=A9mentation=20de=20RipplingMath.h?=
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---
 .../core/omp/02_pi/07_pi_for_promotionTab.cpp |  3 +-
 .../core/01_Rippling/c_math/RipplingMath.h    | 34 +++++++++----------
 .../src/cpp/core/01_Vague/c_math/VagueMath.h  |  2 +-
 3 files changed, 20 insertions(+), 19 deletions(-)

diff --git a/WCudaMSE/Student_OMP/src/cpp/core/omp/02_pi/07_pi_for_promotionTab.cpp b/WCudaMSE/Student_OMP/src/cpp/core/omp/02_pi/07_pi_for_promotionTab.cpp
index 8240aa3..9fcaf87 100755
--- a/WCudaMSE/Student_OMP/src/cpp/core/omp/02_pi/07_pi_for_promotionTab.cpp
+++ b/WCudaMSE/Student_OMP/src/cpp/core/omp/02_pi/07_pi_for_promotionTab.cpp
@@ -1,4 +1,5 @@
 #include <omp.h>
+#include <cstring>
 #include "00_pi_tools.h"
 #include "MathTools.h"
 #include "OmpTools.h"
@@ -55,7 +56,7 @@ double piOMPforPromotionTab(int n)
     const double DX = 1.0/(double)n;
 
     double sums[NB_THREAD];
-    memset(sums, 0, sizeof(sums)); // TODO
+    memset(sums, 0, sizeof(sums));
 
     #pragma omp parallel for private(xi)
 	for (int i = 0; i < n; i++)
diff --git a/WCudaMSE/Student_OMP_Image/src/cpp/core/01_Rippling/c_math/RipplingMath.h b/WCudaMSE/Student_OMP_Image/src/cpp/core/01_Rippling/c_math/RipplingMath.h
index e57ccbe..4baf76e 100755
--- a/WCudaMSE/Student_OMP_Image/src/cpp/core/01_Rippling/c_math/RipplingMath.h
+++ b/WCudaMSE/Student_OMP_Image/src/cpp/core/01_Rippling/c_math/RipplingMath.h
@@ -1,7 +1,8 @@
 #ifndef RIPPLING_MATH_H_
 #define RIPPLING_MATH_H_
 
-#include <math>
+#include "MathTools.h"
+#include <cmath>
 using namespace std;
 
 /*----------------------------------------------------------------------*\
@@ -23,13 +24,12 @@ class RipplingMath
 	 \*-------------------------------------*/
 
     public:
-
-	RipplingMath(unsigned int w, unsigned int h))
+	RipplingMath(unsigned int w, unsigned int h)
+	    : dim2 { w / 2.0 }
 	    {
-	    this->dim2 = w / 2;
 	    }
 
-	virtual ~RipplingMath(void)
+	virtual ~RipplingMath()
 	    {
 	    //rien
 	    }
@@ -39,20 +39,23 @@ class RipplingMath
 	 \*-------------------------------------*/
 
     public:
-
 	void colorIJ(uchar4* ptrColor, int i, int j, float t)
 	    {
-	    // TODO
-	    math::sin(9.1);
-asda
-	    double a { 4 / 3 };
+	    const double dxy10 = dxy(j, i) / 10.0;
+	    const double grayLevelFloat = 128.0 + 127.0 * cos(dxy10 - t / 7.0) / (dxy10 + 1);
+	    const uchar grayLevel = (uchar)(long(grayLevelFloat) % 256);
+
+	    ptrColor->x = grayLevel;
+	    ptrColor->y = grayLevel;
+	    ptrColor->z = grayLevel;
+
+	    ptrColor->w = 255; // Opaque.
 	    }
 
     private:
-
-	void dxy(int i, int j, float* ptrResult) // par exmple
+	inline double dxy(int x, int y) // par exmple
 	    {
-	    //TODO
+	    return sqrt(pow(x - this->dim2, 2.0) + pow(y - this->dim2, 2.0));
 	    }
 
     private:
@@ -62,10 +65,7 @@ asda
 	 \*-------------------------------------*/
 
     private:
-
-	// Tools
-	double dim2; //=dim/2
-
+	const double dim2; // = dim / 2.
     };
 
 #endif
diff --git a/WCudaMSE/Tuto_Image/src/cpp/core/01_Vague/c_math/VagueMath.h b/WCudaMSE/Tuto_Image/src/cpp/core/01_Vague/c_math/VagueMath.h
index aabd5dd..f8a8888 100755
--- a/WCudaMSE/Tuto_Image/src/cpp/core/01_Vague/c_math/VagueMath.h
+++ b/WCudaMSE/Tuto_Image/src/cpp/core/01_Vague/c_math/VagueMath.h
@@ -51,7 +51,7 @@ class VagueMath
 	    {
 	    unsigned char levelGris;
 
-	    f(levelGris,i, j, t); // update levelGris
+	    f(levelGris, i, j, t); // update levelGris
 
 	    ptrColorIJ->x = levelGris;
 	    ptrColorIJ->y = levelGris;
-- 
2.43.0