aubio
0.4.9
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Matrix of real valued data. More...
Go to the source code of this file.
Data Structures | |
struct | fmat_t |
Buffer for real data. More... | |
Functions | |
fmat_t * | new_fmat (uint_t height, uint_t length) |
fmat_t buffer creation function More... | |
void | del_fmat (fmat_t *s) |
fmat_t buffer deletion function More... | |
smpl_t | fmat_get_sample (const fmat_t *s, uint_t channel, uint_t position) |
read sample value in a buffer More... | |
void | fmat_set_sample (fmat_t *s, smpl_t data, uint_t channel, uint_t position) |
write sample value in a buffer More... | |
void | fmat_get_channel (const fmat_t *s, uint_t channel, fvec_t *output) |
read channel vector from a buffer More... | |
smpl_t * | fmat_get_channel_data (const fmat_t *s, uint_t channel) |
get vector buffer from an fmat data More... | |
smpl_t ** | fmat_get_data (const fmat_t *s) |
read data from a buffer More... | |
void | fmat_print (const fmat_t *s) |
print out fmat data More... | |
void | fmat_set (fmat_t *s, smpl_t val) |
set all elements to a given value More... | |
void | fmat_zeros (fmat_t *s) |
set all elements to zero More... | |
void | fmat_ones (fmat_t *s) |
set all elements to ones More... | |
void | fmat_rev (fmat_t *s) |
revert order of vector elements More... | |
void | fmat_weight (fmat_t *s, const fmat_t *weight) |
apply weight to vector More... | |
void | fmat_copy (const fmat_t *s, fmat_t *t) |
make a copy of a matrix More... | |
void | fmat_vecmul (const fmat_t *s, const fvec_t *scale, fvec_t *output) |
compute the product of a matrix by a vector More... | |
Matrix of real valued data.
This file specifies the fmat_t type, which is used in aubio to store arrays of floating point values.
Definition in file fmat.h.
void del_fmat | ( | fmat_t * | s | ) |
fmat_t buffer deletion function
s | buffer to delete as returned by new_fmat() |
read channel vector from a buffer
s | vector to read from |
channel | channel to read from |
output | fvec_t to output to |
get vector buffer from an fmat data
s | vector to read from |
channel | channel to read from |
read sample value in a buffer
s | vector to read from |
channel | channel to read from |
position | sample position to read from |
void fmat_ones | ( | fmat_t * | s | ) |
void fmat_print | ( | const fmat_t * | s | ) |
print out fmat data
s | vector to print out |
void fmat_rev | ( | fmat_t * | s | ) |
set all elements to a given value
s | vector to modify |
val | value to set elements to |
write sample value in a buffer
s | vector to write to |
data | value to write in s->data[channel][position] |
channel | channel to write to |
position | sample position to write to |
compute the product of a matrix by a vector
s | matrix to compute product with |
scale | vector to compute product with |
output | vector to store restults in |
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.
s | vector to weight |
weight | weighting coefficients |
void fmat_zeros | ( | fmat_t * | s | ) |
set all elements to zero
s | vector to modify |
fmat_t buffer creation function
length | the length of the matrix to create |
height | the height of the matrix to create |