From 96830c5eed9bda549ba078a84381ce94438a8d36 Mon Sep 17 00:00:00 2001
From: Anton Khirnov <anton@khirnov.net>
Date: Fri, 28 Jul 2017 13:01:13 +0200
Subject: Add support for off-centered waves.

Bump SONAME due to ABI break.
---
 brill_data.h | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

(limited to 'brill_data.h')

diff --git a/brill_data.h b/brill_data.h
index 05a3511..76401bd 100644
--- a/brill_data.h
+++ b/brill_data.h
@@ -43,7 +43,7 @@
 
 enum BDQFuncType {
     /**
-     * q(ρ, z) = A ρ^2 exp(-ρ^2 - z^2)
+     * q(ρ, z) = A ρ^2 exp(-(ρ-ρ_0)^2 - z^2)
      */
     BD_Q_FUNC_GUNDLACH,
     /**
@@ -108,6 +108,12 @@ typedef struct BDContext {
      */
     unsigned int eppley_n;
 
+    /**
+     * Center of the wave for BD_Q_FUNC_GUNDLACH.
+     * Defaults to 0.
+     */
+    double rho0;
+
     /********************************
      *        solver options        *
      ********************************/
-- 
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