From ea2f5f170bdad35989241662f1d1fe875d5a24a3 Mon Sep 17 00:00:00 2001
From: Paul Davis <paul@linuxaudiosystems.com>
Date: Thu, 24 Jun 2010 14:17:09 +0000
Subject: [PATCH] fix math bug with numthreads computation

git-svn-id: svn://localhost/ardour2/branches/3.0@7297 d708f5d6-7413-0410-9779-e7cbd77b26cf
---
 libs/ardour/graph.cc | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/libs/ardour/graph.cc b/libs/ardour/graph.cc
index 54e619aef8..5b6a42437b 100644
--- a/libs/ardour/graph.cc
+++ b/libs/ardour/graph.cc
@@ -63,11 +63,11 @@ Graph::Graph (Session & session)
         int pu = Config->get_processor_usage ();
 
         if (pu < 0) {
-                /* use "pu" less cores for DSP than appear to be available
+                /* pu is negative: use "pu" less cores for DSP than appear to be available
                  */
 
-                if (pu < num_threads) {
-                        num_threads += pu; // pu is negative
+                if (-pu < num_threads) {
+                        num_threads += pu; 
                 } else {
                         num_threads = 1;
                 }