remove trailing spaces
diff --git a/test/float_tests.h b/test/float_tests.h
index dc281d8..b7174c8 100644
--- a/test/float_tests.h
+++ b/test/float_tests.h
@@ -2,9 +2,9 @@
  float_tests.h -- tests for float and conversion to/from half-precision
 
  Copyright (c) 2018-2019, Laurence Lundblade. All rights reserved.
- 
+
  SPDX-License-Identifier: BSD-3-Clause
- 
+
  See BSD-3-Clause license in README.md
 
  Created on 9/19/18