From df7a630094e3ff4e75e5eb9176c468227fd24790 Mon Sep 17 00:00:00 2001
From: rnhmjoj <rnhmjoj@inventati.org>
Date: Sat, 4 Apr 2020 20:12:58 +0200
Subject: [PATCH] ex-1: print the mode error

---
 ex-1/tests.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/ex-1/tests.c b/ex-1/tests.c
index 09bb892..b2e85f8 100644
--- a/ex-1/tests.c
+++ b/ex-1/tests.c
@@ -60,7 +60,7 @@ double neg_landau_pdf(double x, void* params) {
  * interval for the optimisation.
  */
 double numeric_mode(double min, double max) {
-  // create funtion
+  // create function
   gsl_function pdf;
   pdf.function = &neg_landau_pdf;
   pdf.params   = NULL;
@@ -86,6 +86,8 @@ double numeric_mode(double min, double max) {
 
   } while (status == GSL_CONTINUE && iter < max_iter);
 
+  fprintf(stderr, "mode error: %.3g\n", max - min);
+
   // Free memory
   gsl_min_fminimizer_free(s);
   return guess;
@@ -107,7 +109,7 @@ double abs_landau_pdf(double x, void* params_) {
  * computer with `numeric_mode(min, max)`.
  */
 double numeric_fwhm(double min, double max, double mode) {
-  // create funtion
+  // create function
   gsl_function pdf;
   pdf.function = &abs_landau_pdf;
   double params [1];