From 0054dbc118c0d0292793e73bb99d5f884c03223a Mon Sep 17 00:00:00 2001
From: Zeno Rogue <zeno@attnam.com>
Date: Sun, 28 Jul 2019 11:13:04 +0200
Subject: [PATCH] utilities:: kz

---
 util.cpp | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/util.cpp b/util.cpp
index 4b2bc26c..469cc4f1 100644
--- a/util.cpp
+++ b/util.cpp
@@ -283,4 +283,25 @@ string parser_help() {
   }
 
 logger hlog;
+
+// kz: utility for printing
+// if it is close to 0, assume it is floating errors
+
+ld kz(ld x) {
+  if(abs(x) < 1e-6) return 0;
+  return x;
+  }
+
+hyperpoint kz(hyperpoint h) {
+  for(int d=0; d<MAXMDIM; d++) h[d] = kz(h[d]);
+  return h;
+  }
+
+transmatrix kz(transmatrix h) {
+  for(int d=0; d<MAXMDIM; d++) 
+  for(int e=0; e<MAXMDIM; e++)
+    h[d][e] = kz(h[d][e]);
+  return h;
+  }
+  
 }