merged main repo with local

1 files changed, 86 insertions, 0 deletions

diff --git a/thirdparty/includes/GSL/gsl/gsl_fft_halfcomplex.h b/thirdparty/includes/GSL/gsl/gsl_fft_halfcomplex.h
new file mode 100644
index 0000000..6751e47
--- /dev/null
+++ b/thirdparty/includes/GSL/gsl/gsl_fft_halfcomplex.h
@@ -0,0 +1,86 @@
+/* fft/gsl_fft_halfcomplex.h
+ * 
+ * Copyright (C) 1996, 1997, 1998, 1999, 2000, 2007 Brian Gough
+ * 
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or (at
+ * your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+#ifndef __GSL_FFT_HALFCOMPLEX_H__
+#define __GSL_FFT_HALFCOMPLEX_H__
+
+#include <stddef.h>
+
+#include <gsl/gsl_math.h>
+#include <gsl/gsl_complex.h>
+#include <gsl/gsl_fft.h>
+#include <gsl/gsl_fft_real.h>
+
+#undef __BEGIN_DECLS
+#undef __END_DECLS
+#ifdef __cplusplus
+# define __BEGIN_DECLS extern "C" {
+# define __END_DECLS }
+#else
+# define __BEGIN_DECLS /* empty */
+# define __END_DECLS /* empty */
+#endif
+
+__BEGIN_DECLS
+
+int gsl_fft_halfcomplex_radix2_backward (double data[], const size_t stride, const size_t n);
+int gsl_fft_halfcomplex_radix2_inverse (double data[], const size_t stride, const size_t n);
+int gsl_fft_halfcomplex_radix2_transform (double data[], const size_t stride, const size_t n);
+
+typedef struct
+  {
+    size_t n;
+    size_t nf;
+    size_t factor[64];
+    gsl_complex *twiddle[64];
+    gsl_complex *trig;
+  }
+gsl_fft_halfcomplex_wavetable;
+
+gsl_fft_halfcomplex_wavetable * gsl_fft_halfcomplex_wavetable_alloc (size_t n);
+
+void
+gsl_fft_halfcomplex_wavetable_free (gsl_fft_halfcomplex_wavetable * wavetable);
+
+
+int gsl_fft_halfcomplex_backward (double data[], const size_t stride, const size_t n,
+                                  const gsl_fft_halfcomplex_wavetable * wavetable,
+                                  gsl_fft_real_workspace * work);
+
+int gsl_fft_halfcomplex_inverse (double data[], const size_t stride, const size_t n,
+                                 const gsl_fft_halfcomplex_wavetable * wavetable,
+                                 gsl_fft_real_workspace * work);
+
+int gsl_fft_halfcomplex_transform (double data[], const size_t stride, const size_t n,
+                                   const gsl_fft_halfcomplex_wavetable * wavetable,
+                                   gsl_fft_real_workspace * work);
+
+int
+gsl_fft_halfcomplex_unpack (const double halfcomplex_coefficient[],
+                            double complex_coefficient[],
+                            const size_t stride, const size_t n);
+
+int
+gsl_fft_halfcomplex_radix2_unpack (const double halfcomplex_coefficient[],
+                                   double complex_coefficient[],
+                                   const size_t stride, const size_t n);
+
+__END_DECLS
+
+#endif /* __GSL_FFT_HALFCOMPLEX_H__ */