Add function to update a 1d histogram

src/PHistogram/update_histogram.h

@@ -9,6 +9,37 @@
 
 #include <iostream>
 
+///Update the 1d histogram
+/**	@param[out] histValue : table of the histogram values
+ * 	@param xValue : value to be put in the histogram on x 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 nbX : number of value on x axis
+*/
+template<typename T>
+void update_histogram1dRange(T* histValue, T xValue, T amplitude, T xMin, T xRange, size_t nbX){
+	size_t posX(((xValue - xMin)*((T)nbX))/xRange);
+	if(posX >= nbX){
+		return;
+	}
+	histValue[posX] += amplitude;
+}
+
+///Update the 1d histogram
+/**	@param[out] histValue : table of the histogram values
+ * 	@param xValue : value to be put in the histogram on x 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 nbX : number of value on x axis
+*/
+template<typename T>
+void update_histogram1d(T* histValue, T xValue, T amplitude, T xMin, T xMax, size_t nbX){
+	update_histogram1dRange(histValue, xValue, amplitude, xMin, xMax - xMin, nbX);
+}
+
+
 ///Update the 2d histogram
 /**	@param[out] histValue : table of the histogram values
  * 	@param xValue : value to be put in the histogram on x axis