add license

1 files changed, 27 insertions, 0 deletions

diff --git a/src/fourier.f90 b/src/fourier.f90
index 76f6224..edf48e4 100644
--- a/src/fourier.f90
+++ b/src/fourier.f90
@@ -1,3 +1,30 @@
+! Copyright 2019 Wojciech Kosior
+  
+! This is free and unencumbered software released into the public domain.
+
+! Anyone is free to copy, modify, publish, use, compile, sell, or
+! distribute this software, either in source code form or as a compiled
+! binary, for any purpose, commercial or non-commercial, and by any
+! means.
+
+! In jurisdictions that recognize copyright laws, the author or authors
+! of this software dedicate any and all copyright interest in the
+! software to the public domain. We make this dedication for the benefit
+! of the public at large and to the detriment of our heirs and
+! successors. We intend this dedication to be an overt act of
+! relinquishment in perpetuity of all present and future rights to this
+! software under copyright law.
+
+! THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+! EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+! MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+! IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+! OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+! ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+! OTHER DEALINGS IN THE SOFTWARE.
+
+! For more information, please refer to <http://unlicense.org/>
+
 PROGRAM test
 
   use, intrinsic :: iso_c_binding