1 files changed, 136 insertions, 0 deletions
diff --git a/src/armadillo/include/armadillo_bits/fn_fft.hpp b/src/armadillo/include/armadillo_bits/fn_fft.hpp
new file mode 100644
index 0000000..d2d11fb
--- /dev/null
+++ b/src/armadillo/include/armadillo_bits/fn_fft.hpp
@@ -0,0 +1,136 @@
+// 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.
+// ------------------------------------------------------------------------
+
+
+//! \addtogroup fn_fft
+//! @{
+
+
+
+// 1D FFT & 1D IFFT
+
+
+
+template<typename T1>
+arma_warn_unused
+inline
+typename
+enable_if2
+  <
+  (is_arma_type<T1>::value && is_real<typename T1::elem_type>::value),
+  const mtOp<std::complex<typename T1::pod_type>, T1, op_fft_real>
+  >::result
+fft(const T1& A)
+  {
+  arma_extra_debug_sigprint();
+  
+  return mtOp<std::complex<typename T1::pod_type>, T1, op_fft_real>(A, uword(0), uword(1));
+  }
+
+
+
+template<typename T1>
+arma_warn_unused
+inline
+typename
+enable_if2
+  <
+  (is_arma_type<T1>::value && is_real<typename T1::elem_type>::value),
+  const mtOp<std::complex<typename T1::pod_type>, T1, op_fft_real>
+  >::result
+fft(const T1& A, const uword N)
+  {
+  arma_extra_debug_sigprint();
+  
+  return mtOp<std::complex<typename T1::pod_type>, T1, op_fft_real>(A, N, uword(0));
+  }
+
+
+
+template<typename T1>
+arma_warn_unused
+inline
+typename
+enable_if2
+  <
+  (is_arma_type<T1>::value && (is_cx_float<typename T1::elem_type>::yes || is_cx_double<typename T1::elem_type>::yes)),
+  const Op<T1, op_fft_cx>
+  >::result
+fft(const T1& A)
+  {
+  arma_extra_debug_sigprint();
+  
+  return Op<T1, op_fft_cx>(A, uword(0), uword(1));
+  }
+
+
+
+template<typename T1>
+arma_warn_unused
+inline
+typename
+enable_if2
+  <
+  (is_arma_type<T1>::value && (is_cx_float<typename T1::elem_type>::yes || is_cx_double<typename T1::elem_type>::yes)),
+  const Op<T1, op_fft_cx>
+  >::result
+fft(const T1& A, const uword N)
+  {
+  arma_extra_debug_sigprint();
+  
+  return Op<T1, op_fft_cx>(A, N, uword(0));
+  }
+
+
+
+template<typename T1>
+arma_warn_unused
+inline
+typename
+enable_if2
+  <
+  (is_arma_type<T1>::value && (is_cx_float<typename T1::elem_type>::yes || is_cx_double<typename T1::elem_type>::yes)),
+  const Op<T1, op_ifft_cx>
+  >::result
+ifft(const T1& A)
+  {
+  arma_extra_debug_sigprint();
+  
+  return Op<T1, op_ifft_cx>(A, uword(0), uword(1));
+  }
+
+
+
+template<typename T1>
+arma_warn_unused
+inline
+typename
+enable_if2
+  <
+  (is_arma_type<T1>::value && (is_cx_float<typename T1::elem_type>::yes || is_cx_double<typename T1::elem_type>::yes)),
+  const Op<T1, op_ifft_cx>
+  >::result
+ifft(const T1& A, const uword N)
+  {
+  arma_extra_debug_sigprint();
+  
+  return Op<T1, op_ifft_cx>(A, N, uword(0));
+  }
+
+
+
+//! @}