From 5cb1f6fde3ee9e0817cdaad3b19f1d68419bfed2 Mon Sep 17 00:00:00 2001
From: Vanya Belyaev <ivan.belyaev@cern.ch>
Date: Thu, 5 Dec 2024 11:30:33 +0100
Subject: [PATCH]  prepare v1.13.9.0

---
 CMakeLists.txt                |  4 ++--
 ReleaseNotes/release_notes.md |  2 ++
 ReleaseNotes/v1.13.9.0.md     | 14 ++++++++++++++
 3 files changed, 18 insertions(+), 2 deletions(-)
 create mode 100644 ReleaseNotes/v1.13.9.0.md

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 7825e9c9..896921a7 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -35,8 +35,8 @@ include(CTest)
 
 set(OSTAP_VERSION_MAJOR 1)
 set(OSTAP_VERSION_MINOR 13)
-set(OSTAP_VERSION_PATCH 8)
-set(OSTAP_VERSION_TWEAK 1)
+set(OSTAP_VERSION_PATCH 9)
+set(OSTAP_VERSION_TWEAK 0)
 
 set(OSTAP_VERSION ${OSTAP_VERSION_MAJOR}.${OSTAP_VERSION_MINOR}.${OSTAP_VERSION_PATCH}.${OSTAP_VERSION_TWEAK})
 
diff --git a/ReleaseNotes/release_notes.md b/ReleaseNotes/release_notes.md
index 6f33da19..b0e3207f 100644
--- a/ReleaseNotes/release_notes.md
+++ b/ReleaseNotes/release_notes.md
@@ -1,3 +1,5 @@
+# v1.13.9.0
+
 ## New features
     
   1. Add Logarithmic integral functions 
diff --git a/ReleaseNotes/v1.13.9.0.md b/ReleaseNotes/v1.13.9.0.md
new file mode 100644
index 00000000..24304a62
--- /dev/null
+++ b/ReleaseNotes/v1.13.9.0.md
@@ -0,0 +1,14 @@
+# v1.13.9.0
+
+## New features
+    
+  1. Add Logarithmic integral functions 
+  1. Add Exponental  integral functions 
+  1. Add Sine and Cosine integral functions 
+  1. Add missing `Ostap::Math::LegendreSum[X]::integral` methods 
+
+## Backward incompatible
+    
+## Bug fixes
+    
+ 1. fix a typo in `graphs.py` (thanks to Dima Pereima!)