Fix namespace in itrans-stat,{c,h}

git-svn-id: svn://cook.msm.cam.ac.uk:745/diff-tomo/dtr@18 bf6ca9ba-c028-0410-8290-897cf20841d1

1 files changed, 13 insertions, 0 deletions

diff --git a/src/utils.c b/src/utils.c
index 1c7ecfb..fdc245f 100644
--- a/src/utils.c
+++ b/src/utils.c
@@ -9,6 +9,7 @@
  */
 
 #include <math.h>
+#include <gsl/gsl_matrix.h>
 
 /* Return the MOST POSITIVE of two numbers */
 unsigned int biggest(signed int a, signed int b) {
@@ -54,3 +55,15 @@ double lambda(double V) {
 	return h / sqrt(2*m*e*V*(1+((e*V) / (2*m*c*c))));
 
 }
+
+/* Renormalise a gsl_matrix to 0->1
+ * Re-written to use gsl_matrix native functions */
+void matrix_renormalise(gsl_matrix *m) {
+	
+	double max,min;
+	
+	gsl_matrix_minmax(m,&min,&max);
+	gsl_matrix_add_constant(m,0.-min);
+	gsl_matrix_scale(m,1./(max-min));
+
+}