From c3bcd90cde1c311e51899b900c8e7689c8370068 Mon Sep 17 00:00:00 2001
From: "E. G. Patrick Bos" <egpbos@gmail.com>
Date: Thu, 12 Oct 2017 17:32:00 +0200
Subject: [PATCH] Made templates inline, does not change performance

#6, https://github.com/egpbos/xtensor-fftw/issues/6#issuecomment-335512576
---
 include/xtensor-fftw/basic.hpp | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/include/xtensor-fftw/basic.hpp b/include/xtensor-fftw/basic.hpp
index 0430318..87e09b3 100644
--- a/include/xtensor-fftw/basic.hpp
+++ b/include/xtensor-fftw/basic.hpp
@@ -74,12 +74,12 @@ namespace xt {
     ////
 
     template<typename input_t, typename output_t, typename...>
-    xt::xarray<output_t> _fft_ (const xt::xarray<input_t> &input) {
+    inline xt::xarray<output_t> _fft_ (const xt::xarray<input_t> &input) {
       static_assert(sizeof(prec_t<input_t>) == 0, "Only specializations of _fft_ can be used");
     }
 
     template<typename input_t, typename output_t, typename...>
-    xt::xarray<output_t> _ifft_ (const xt::xarray<input_t> &input) {
+    inline xt::xarray<output_t> _ifft_ (const xt::xarray<input_t> &input) {
       static_assert(sizeof(prec_t<input_t>) == 0, "Only specializations of _ifft_ can be used");
     }
 
@@ -92,7 +92,7 @@ namespace xt {
             && std::is_floating_point< prec_t<input_t> >::value
         >
     >
-    xt::xarray<output_t> _fft_(const xt::xarray<input_t> &input) {
+    inline xt::xarray<output_t> _fft_(const xt::xarray<input_t> &input) {
       xt::xarray<output_t, layout_type::dynamic> output(input.shape(), input.strides());
 
       using fftw_input_t = fftw_number_t<input_t>;
@@ -117,7 +117,7 @@ namespace xt {
             && std::is_floating_point< prec_t<input_t> >::value
         >
     >
-    xt::xarray<output_t> _ifft_(const xt::xarray<input_t> &input) {
+    inline xt::xarray<output_t> _ifft_(const xt::xarray<input_t> &input) {
       xt::xarray<output_t, layout_type::dynamic> output(input.shape(), input.strides());
 
       using fftw_input_t = fftw_number_t<input_t>;