From 94d735868847bb61c16bfc33131100a74e04d30a Mon Sep 17 00:00:00 2001
From: Arun Isaac
Date: Fri, 26 Feb 2021 16:07:16 +0530
Subject: Wrap volume-window function.

* scm/extent-sampling/wrap.scm (volume-window): New function.
---
 scm/extent-sampling/wrap.scm | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/scm/extent-sampling/wrap.scm b/scm/extent-sampling/wrap.scm
index 439a57d..306caa4 100644
--- a/scm/extent-sampling/wrap.scm
+++ b/scm/extent-sampling/wrap.scm
@@ -344,6 +344,16 @@
      true-volume %gsl-random-state dimension rtol stats)
     (rstat-n stats)))
 
+(define-public (volume-window extent-oracle true-volume dimension rtol)
+  (let ((samples (make-c-struct (list unsigned-int) (list 0))))
+    ((pointer->procedure double
+                         (dynamic-func "volume_window" lib-extentsampling)
+                         (list '* double '* unsigned-int double '*))
+     (maybe-procedure->extent-oracle extent-oracle)
+     true-volume %gsl-random-state dimension rtol samples)
+    (match (parse-c-struct samples (list unsigned-int))
+      ((samples) samples))))
+
 (define-public (integral integrand extent-oracle true-integral dimension rtol)
   (let ((stats (rstat-alloc)))
     ((pointer->procedure double
-- 
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