1 files changed, 49 insertions, 0 deletions
diff --git a/src/armadillo/include/armadillo_bits/def_fftw3.hpp b/src/armadillo/include/armadillo_bits/def_fftw3.hpp
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--- /dev/null
+++ b/src/armadillo/include/armadillo_bits/def_fftw3.hpp
@@ -0,0 +1,49 @@
+// SPDX-License-Identifier: Apache-2.0
+// 
+// Copyright 2008-2016 Conrad Sanderson (http://conradsanderson.id.au)
+// Copyright 2008-2016 National ICT Australia (NICTA)
+// 
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+// http://www.apache.org/licenses/LICENSE-2.0
+// 
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+// ------------------------------------------------------------------------
+
+
+#if defined(ARMA_USE_FFTW3)
+
+
+extern "C"
+  {
+  // function prefix for single precision: fftwf_
+  // function prefix for double precision: fftw_
+  
+  
+  // single precision (float)
+  
+  void_ptr fftwf_plan_dft_1d(int N, void* input, void* output, int fftw3_sign, unsigned int fftw3_flags);
+  
+  void      fftwf_execute(void_ptr plan);
+  void fftwf_destroy_plan(void_ptr plan);
+  
+  void fftwf_cleanup();
+  
+  
+  // double precision (double)
+  
+  void_ptr fftw_plan_dft_1d(int N, void* input, void* output, int fftw3_sign, unsigned int fftw3_flags);
+  
+  void      fftw_execute(void_ptr plan);
+  void fftw_destroy_plan(void_ptr plan);
+  
+  void fftw_cleanup();
+  }
+
+
+#endif