Add in tree aubio

Signed-off-by: falkTX <falktx@falktx.com>

deps/aubio/src/fvec.h

@@ -0,0 +1,178 @@
+/*
+  Copyright (C) 2003-2015 Paul Brossier <piem@aubio.org>
+
+  This file is part of aubio.
+
+  aubio 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.
+
+  aubio 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 aubio.  If not, see <http://www.gnu.org/licenses/>.
+
+*/
+
+#ifndef AUBIO_FVEC_H
+#define AUBIO_FVEC_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/** \file
+
+  Vector of real-valued data
+
+  This file specifies the ::fvec_t buffer type, which is used throughout aubio
+  to store vector of real-valued ::smpl_t.
+
+  \example test-fvec.c
+
+*/
+
+/** Buffer for real data
+
+  Vector of real-valued data
+
+  ::fvec_t is is the structure used to store vector of real-valued data, ::smpl_t .
+
+  \code
+
+  uint_t buffer_size = 1024;
+
+  // create a vector of 512 values
+  fvec_t * input = new_fvec (buffer_size);
+
+  // set some values of the vector
+  input->data[23] = 2.;
+  // ..
+
+  // compute the mean of the vector
+  mean = fvec_mean(a_vector);
+
+  // destroy the vector
+  del_fvec(a_vector);
+
+  \endcode
+
+  See `examples/` and `tests/src` directories for more examples.
+
+ */
+typedef struct {
+  uint_t length;  /**< length of buffer */
+  smpl_t *data;   /**< data vector of length ::fvec_t.length */
+} fvec_t;
+
+/** fvec_t buffer creation function
+
+  \param length the length of the buffer to create
+
+*/
+fvec_t * new_fvec(uint_t length);
+
+/** fvec_t buffer deletion function
+
+  \param s buffer to delete as returned by new_fvec()
+
+*/
+void del_fvec(fvec_t *s);
+
+/** read sample value in a buffer
+
+  \param s vector to read from
+  \param position sample position to read from
+
+*/
+smpl_t fvec_get_sample(const fvec_t *s, uint_t position);
+
+/** write sample value in a buffer
+
+  \param s vector to write to
+  \param data value to write in s->data[position]
+  \param position sample position to write to
+
+*/
+void  fvec_set_sample(fvec_t *s, smpl_t data, uint_t position);
+
+/** read data from a buffer
+
+  \param s vector to read from
+
+*/
+smpl_t * fvec_get_data(const fvec_t *s);
+
+/** print out fvec data
+
+  \param s vector to print out
+
+*/
+void fvec_print(const fvec_t *s);
+
+/** set all elements to a given value
+
+  \param s vector to modify
+  \param val value to set elements to
+
+*/
+void fvec_set_all (fvec_t *s, smpl_t val);
+
+/** set all elements to zero
+
+  \param s vector to modify
+
+*/
+void fvec_zeros(fvec_t *s);
+
+/** set all elements to ones
+
+  \param s vector to modify
+
+*/
+void fvec_ones(fvec_t *s);
+
+/** revert order of vector elements
+
+  \param s vector to revert
+
+*/
+void fvec_rev(fvec_t *s);
+
+/** apply weight to vector
+
+  If the weight vector is longer than s, only the first elements are used. If
+  the weight vector is shorter than s, the last elements of s are not weighted.
+
+  \param s vector to weight
+  \param weight weighting coefficients
+
+*/
+void fvec_weight(fvec_t *s, const fvec_t *weight);
+
+/** make a copy of a vector
+
+  \param s source vector
+  \param t vector to copy to
+
+*/
+void fvec_copy(const fvec_t *s, fvec_t *t);
+
+/** make a copy of a vector, applying weights to each element
+
+  \param in input vector
+  \param weight weights vector
+  \param out output vector
+
+*/
+void fvec_weighted_copy(const fvec_t *in, const fvec_t *weight, fvec_t *out);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* AUBIO_FVEC_H */