forked from sdr/libosmo-dsp
cxvec_math: Mark input vectors as 'const' where applicable
Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
This commit is contained in:
parent
e03f966590
commit
0a2560db76
|
@ -71,11 +71,11 @@ osmo_normsqf(float complex c)
|
|||
/* Complex vector math */
|
||||
|
||||
struct osmo_cxvec *
|
||||
osmo_cxvec_scale(struct osmo_cxvec *in, float complex scale,
|
||||
osmo_cxvec_scale(const struct osmo_cxvec *in, float complex scale,
|
||||
struct osmo_cxvec *out);
|
||||
|
||||
struct osmo_cxvec *
|
||||
osmo_cxvec_rotate(struct osmo_cxvec *in, float freq_shift,
|
||||
osmo_cxvec_rotate(const struct osmo_cxvec *in, float freq_shift,
|
||||
struct osmo_cxvec *out);
|
||||
|
||||
/*! \brief Various possible types of convolution span */
|
||||
|
@ -89,15 +89,15 @@ enum osmo_cxvec_conv_type {
|
|||
};
|
||||
|
||||
struct osmo_cxvec *
|
||||
osmo_cxvec_convolve(struct osmo_cxvec *f, struct osmo_cxvec *g,
|
||||
osmo_cxvec_convolve(const struct osmo_cxvec *f, const struct osmo_cxvec *g,
|
||||
enum osmo_cxvec_conv_type type, struct osmo_cxvec *out);
|
||||
|
||||
struct osmo_cxvec *
|
||||
osmo_cxvec_correlate(struct osmo_cxvec *f, struct osmo_cxvec *g, int g_corr_step,
|
||||
struct osmo_cxvec *out);
|
||||
osmo_cxvec_correlate(const struct osmo_cxvec *f, const struct osmo_cxvec *g,
|
||||
int g_corr_step, struct osmo_cxvec *out);
|
||||
|
||||
float complex
|
||||
osmo_cxvec_interpolate_point(struct osmo_cxvec *cv, float pos);
|
||||
osmo_cxvec_interpolate_point(const struct osmo_cxvec *cv, float pos);
|
||||
|
||||
/*! \brief Various possible peak finding algorithms */
|
||||
enum osmo_cxvec_peak_alg {
|
||||
|
@ -110,12 +110,13 @@ enum osmo_cxvec_peak_alg {
|
|||
};
|
||||
|
||||
float
|
||||
osmo_cxvec_peak_energy_find(struct osmo_cxvec *cv, int win_size,
|
||||
osmo_cxvec_peak_energy_find(const struct osmo_cxvec *cv, int win_size,
|
||||
enum osmo_cxvec_peak_alg alg,
|
||||
float complex *peak_val_p);
|
||||
|
||||
struct osmo_cxvec *
|
||||
osmo_cxvec_sig_normalize(struct osmo_cxvec *sig, int decim, float freq_shift,
|
||||
osmo_cxvec_sig_normalize(const struct osmo_cxvec *sig,
|
||||
int decim, float freq_shift,
|
||||
struct osmo_cxvec *out);
|
||||
|
||||
/*! @} */
|
||||
|
|
|
@ -52,7 +52,7 @@
|
|||
* to contain the result (i.e. in->len)
|
||||
*/
|
||||
struct osmo_cxvec *
|
||||
osmo_cxvec_scale(struct osmo_cxvec *in, float complex scale,
|
||||
osmo_cxvec_scale(const struct osmo_cxvec *in, float complex scale,
|
||||
struct osmo_cxvec *out)
|
||||
{
|
||||
int i;
|
||||
|
@ -109,7 +109,7 @@ osmo_cxvec_scale(struct osmo_cxvec *in, float complex scale,
|
|||
* to contain the result (i.e. in->len)
|
||||
*/
|
||||
struct osmo_cxvec *
|
||||
osmo_cxvec_rotate(struct osmo_cxvec *in, float rps,
|
||||
osmo_cxvec_rotate(const struct osmo_cxvec *in, float rps,
|
||||
struct osmo_cxvec *out)
|
||||
{
|
||||
int i;
|
||||
|
@ -150,7 +150,7 @@ osmo_cxvec_rotate(struct osmo_cxvec *in, float rps,
|
|||
* (length depends on the exact convolution type)
|
||||
*/
|
||||
struct osmo_cxvec *
|
||||
osmo_cxvec_convolve(struct osmo_cxvec *f, struct osmo_cxvec *g,
|
||||
osmo_cxvec_convolve(const struct osmo_cxvec *f, const struct osmo_cxvec *g,
|
||||
enum osmo_cxvec_conv_type type, struct osmo_cxvec *out)
|
||||
{
|
||||
int Lf, Lg, Lo, si, ei, i, jf, jg;
|
||||
|
@ -257,8 +257,8 @@ osmo_cxvec_convolve(struct osmo_cxvec *f, struct osmo_cxvec *g,
|
|||
* (i.e. g->len - f->len + 1)
|
||||
*/
|
||||
struct osmo_cxvec *
|
||||
osmo_cxvec_correlate(struct osmo_cxvec *f, struct osmo_cxvec *g, int g_corr_step,
|
||||
struct osmo_cxvec *out)
|
||||
osmo_cxvec_correlate(const struct osmo_cxvec *f, const struct osmo_cxvec *g,
|
||||
int g_corr_step, struct osmo_cxvec *out)
|
||||
{
|
||||
int l, m, n, mn;
|
||||
int f_real, g_real;
|
||||
|
@ -321,7 +321,7 @@ osmo_cxvec_correlate(struct osmo_cxvec *f, struct osmo_cxvec *g, int g_corr_step
|
|||
* pos must be >= 0 and < cv->len
|
||||
*/
|
||||
float complex
|
||||
osmo_cxvec_interpolate_point(struct osmo_cxvec *cv, float pos)
|
||||
osmo_cxvec_interpolate_point(const struct osmo_cxvec *cv, float pos)
|
||||
{
|
||||
const int N = 10;
|
||||
int b, e, i;
|
||||
|
@ -361,7 +361,7 @@ osmo_cxvec_interpolate_point(struct osmo_cxvec *cv, float pos)
|
|||
* \returns Peak position with sub-sample accuracy
|
||||
*/
|
||||
float
|
||||
osmo_cxvec_peak_energy_find(struct osmo_cxvec *cv, int win_size,
|
||||
osmo_cxvec_peak_energy_find(const struct osmo_cxvec *cv, int win_size,
|
||||
enum osmo_cxvec_peak_alg alg,
|
||||
float complex *peak_val_p)
|
||||
{
|
||||
|
@ -490,7 +490,8 @@ osmo_cxvec_peak_energy_find(struct osmo_cxvec *cv, int win_size,
|
|||
* the result (i.e. (sig->len + decim - 1) / decim)
|
||||
*/
|
||||
struct osmo_cxvec *
|
||||
osmo_cxvec_sig_normalize(struct osmo_cxvec *sig, int decim, float freq_shift,
|
||||
osmo_cxvec_sig_normalize(const struct osmo_cxvec *sig,
|
||||
int decim, float freq_shift,
|
||||
struct osmo_cxvec *out)
|
||||
{
|
||||
float complex avg = 0.0f;
|
||||
|
|
Loading…
Reference in New Issue