- provide lookup for ringbuffer

git-svn-id: https://openmodelica.org/svn/OpenModelica/trunk@10529 f25d12d1-65f4-0310-ae8a-bbce733d8d8e
OpenModelica · Nov 16, 2011 · 97349d6 · 97349d6
1 parent 4e96a46
commit 97349d6
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Showing 2 changed files with 10 additions and 2 deletions.
diff --git a/SimulationRuntime/c/math-support/ringbuffer.c b/SimulationRuntime/c/math-support/ringbuffer.c
@@ -119,12 +119,20 @@ int ringBufferLength(RINGBUFFER *rb)
   return rb->nElements;
 }
 
-void rotateRingBuffer(RINGBUFFER *rb, int n)
+void rotateRingBuffer(RINGBUFFER *rb, int n, void **lookup)
 {
+  long i;
+
   ASSERT(rb->nElements > 0, "empty RingBuffer");
   ASSERT3(n < rb->nElements, "index [%d] out of range [%d:%d]", n, 0, rb->nElements-1);
   ASSERT3(0 <= n, "index [%d] out of range [%d:%d]", n, 0, rb->nElements-1);
   rb->firstElement = (rb->firstElement+n)%rb->bufferSize;
+
+  if(lookup)
+  {
+    for(i=0; i<rb->nElements; ++i)
+      lookup[i] = getRingData(rb, i);
+  }
 }
 
 void infoRingBuffer(RINGBUFFER *rb)

diff --git a/SimulationRuntime/c/math-support/ringbuffer.h b/SimulationRuntime/c/math-support/ringbuffer.h
@@ -54,7 +54,7 @@ extern "C" {
 
   int ringBufferLength(RINGBUFFER *rb);
 
-  void rotateRingBuffer(RINGBUFFER *rb, int n);
+  void rotateRingBuffer(RINGBUFFER *rb, int n, void **lookup);
 
   void infoRingBuffer(RINGBUFFER *rb);