Add udpate histogram

src/PHistogram/PHistogram.h

@@ -85,6 +85,7 @@ class PHistogram{
 		size_t p_overXMax;
 };
 
+
 #include "PHistogram_impl.h"
 
 #endif

src/PHistogram/update_histogram.h

+/***************************************
+	Auteur : Pierre Aubert
+	Mail : aubertp7@gmail.com
+	Licence : CeCILL-C
+****************************************/
+
+#ifndef __UPDATE_HISTOGRAM_H__
+#define __UPDATE_HISTOGRAM_H__
+
+#include <iostream>
+
+///Update the 2d histogram
+/**	@param[out] histValue : table of the histogram values
+ * 	@param xValue : value to be put in the histogram on x axis
+ * 	@param yValue : value to be put in the histogram on y axis
+ * 	@param amplitude : aplitude to be added to the proper histogram bin, if (xValue, yValue) is in the histogram
+ * 	@param xMin : minimum value of x
+ * 	@param xRange : range of x
+ * 	@param yMin : minimum value of y
+ * 	@param yRange : range of y
+ * 	@param nbX : number of value on x axis
+ * 	@param nbY : number of value on y axis
+*/
+template<typename T>
+void update_histogram2dRange(T* histValue, T xValue, T yValue, T amplitude, T xMin, T xRange, T yMin, T yRange, size_t nbX, size_t nbY){
+	size_t posX(((xValue - xMin)*((T)nbX))/xRange);
+	size_t posY(((yValue - yMin)*((T)nbY))/yRange);
+	if(posX >= nbX || posY >= nbY){
+		return;
+	}
+	histValue[posX*nbY + posY] += amplitude;
+}
+
+///Update the 2d histogram
+/**	@param[out] histValue : table of the histogram values
+ * 	@param xValue : value to be put in the histogram on x axis
+ * 	@param yValue : value to be put in the histogram on y axis
+ * 	@param amplitude : aplitude to be added to the proper histogram bin, if (xValue, yValue) is in the histogram
+ * 	@param xMin : minimum value of x
+ * 	@param xMax : maximum value of x
+ * 	@param yMin : minimum value of y
+ * 	@param yMax : maximum value of y
+ * 	@param nbX : number of value on x axis
+ * 	@param nbY : number of value on y axis
+*/
+template<typename T>
+void update_histogram2d(T* histValue, T xValue, T yValue, T amplitude, T xMin, T xMax, T yMin, T yMax, size_t nbX, size_t nbY){
+	update_histogram2dRange(histValue, xValue, yValue, amplitude, xMin, xMax - xMin, yMin, yMax - yMin, nbX, nbY);
+}
+
+
+
+
+#endif