From d22e2db89f96e0556b5e3c362cda06e7a4e60a73 Mon Sep 17 00:00:00 2001
From: Ivan Usov <ivan.usov@psi.ch>
Date: Tue, 31 Mar 2020 16:45:41 +0200
Subject: [PATCH] Simplify matrix mult

---
 pyzebra/xtal.py | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/pyzebra/xtal.py b/pyzebra/xtal.py
index 50ef0b9..848fb9b 100644
--- a/pyzebra/xtal.py
+++ b/pyzebra/xtal.py
@@ -333,9 +333,6 @@ def ang2hkl(wave, ddist, gammad, om, ch, ph, nud, ub, x, y):
     ga, nu = det2pol(ddist, gammad, nud, x, y)
     z1 = z1frmd(wave, ga, om, ch, ph, nu)
     ubinv = np.linalg.inv(ub)
-    
-    h = ubinv[0, 0] * z1[0] + ubinv[0, 1] * z1[1] + ubinv[0, 2] * z1[2]
-    k = ubinv[1, 0] * z1[0] + ubinv[1, 1] * z1[1] + ubinv[1, 2] * z1[2]
-    l = ubinv[2, 0] * z1[0] + ubinv[2, 1] * z1[1] + ubinv[2, 2] * z1[2]
+    hkl = ubinv @ z1
 
-    return h, k, l
+    return hkl