small simplification to OMP_NUM_THREADS env variable check.

clawpack · Jul 5, 2016 · 55c4a3d · 55c4a3d
1 parent ba15781
commit 55c4a3d
Showing 1 changed file with 1 addition and 3 deletions.
diff --git a/src/pyclaw/classic/solver.py b/src/pyclaw/classic/solver.py
@@ -613,9 +613,7 @@ def __init__(self, riemann_solver=None, claw_package=None):
 
         import os
         import warnings
-        if 'OMP_NUM_THREADS' in os.environ:
-            pass # Using OpenMP
-        else:
+        if 'OMP_NUM_THREADS' not in os.environ:
             warnings.warn("The environment variable 'OMP_NUM_THREADS' is unset.  Set this variable to use OpenMP with more than 1 thread (i.e. export OMP_NUM_THREADS=4).")
         self.nthreads = int(os.environ.get('OMP_NUM_THREADS',1))