#include <stdio.h>#include <stdlib.h>#include <string.h>#include <math.h>#include <float.h>#include "libdspau.h"
Include dependency graph for libdspau-buffer.c:
Functions | |
| int | dspau_removemean (double *in, double *out, int len) |
| Subtract mean from stream. More... | |
| int | dspau_stretch (double *in, double *out, int len, double min, double max) |
| Stretch minimum and maximum values of the input stream. More... | |
| int | dspau_normalize (double *in, double *out, int len, double min, double max) |
| Normalize the input stream to the minimum and maximum values. More... | |
| int | dspau_sub (double *in1, double *in2, double *out, int len) |
| Subtract elements of one stream from another's. More... | |
| int | dspau_sum (double *in1, double *in2, double *out, int len) |
| Sum elements of one stream to another's. More... | |
| int | dspau_div (double *in1, double *in2, double *out, int len) |
| Divide elements of one stream to another's. More... | |
| int | dspau_mul (double *in1, double *in2, double *out, int len) |
| Multiply elements of one stream to another's. More... | |
| int | dspau_sub1 (double *in, double *out, int len, double val) |
| Subtract a value from elements of the input stream. More... | |
| int | dspau_sum1 (double *in, double *out, int len, double val) |
| Sum elements of the input stream to a value. More... | |
| int | dspau_div1 (double *in, double *out, int len, double val) |
| Divide elements of the input stream to a value. More... | |
| int | dspau_mul1 (double *in, double *out, int len, double val) |
| Multiply elements of the input stream to a value. More... | |
| static int | compare (const void *a, const void *b) |
| int | dspau_median (double *in, double *out, int len, int size, int median) |
| Median elements of the inut stream. More... | |
Function Documentation
◆ compare()
◆ dspau_div()
| int dspau_div | ( | double * | in1, |
| double * | in2, | ||
| double * | out, | ||
| int | len | ||
| ) |
Divide elements of one stream to another's.
- Parameters
-
in1 the Numerators input stream. (input) in2 the Denominators input stream. (input) out the output stream. (output) len the length of the input stream.
- Returns
- the output stream if successfull elaboration. NULL if an error is encountered. Return 0 if success. Return -1 if any error occurs.
◆ dspau_div1()
| int dspau_div1 | ( | double * | in, |
| double * | out, | ||
| int | len, | ||
| double | val | ||
| ) |
Divide elements of the input stream to a value.
- Parameters
-
in the Numerators input stream. (input) out the output stream. (output) len the length of the input stream. val the denominator.
- Returns
- the output stream if successfull elaboration. NULL if an error is encountered. Return 0 if success. Return -1 if any error occurs.
◆ dspau_median()
| int dspau_median | ( | double * | in, |
| double * | out, | ||
| int | len, | ||
| int | size, | ||
| int | median | ||
| ) |
Median elements of the inut stream.
- Parameters
-
in the input stream. (input) out the output stream. (output) len the length of the input stream. size the length of the median. median the location of the median value.
- Returns
- the output stream if successfull elaboration. NULL if an error is encountered. Return 0 if success. Return -1 if any error occurs.
◆ dspau_mul()
| int dspau_mul | ( | double * | in1, |
| double * | in2, | ||
| double * | out, | ||
| int | len | ||
| ) |
Multiply elements of one stream to another's.
- Parameters
-
in1 the first input stream. (input) in2 the second input stream. (input) out the output stream. (output) len the length of the input stream.
- Returns
- the output stream if successfull elaboration. NULL if an error is encountered. Return 0 if success. Return -1 if any error occurs.
◆ dspau_mul1()
| int dspau_mul1 | ( | double * | in, |
| double * | out, | ||
| int | len, | ||
| double | val | ||
| ) |
Multiply elements of the input stream to a value.
- Parameters
-
in the first input stream. (input) out the output stream. (output) len the length of the input stream. val the value used for this operation.
- Returns
- the output stream if successfull elaboration. NULL if an error is encountered. Return 0 if success. Return -1 if any error occurs.
◆ dspau_normalize()
| int dspau_normalize | ( | double * | in, |
| double * | out, | ||
| int | len, | ||
| double | min, | ||
| double | max | ||
| ) |
Normalize the input stream to the minimum and maximum values.
- Parameters
-
in the input stream. (input) out the output stream. (output) len the length of the input stream. min the clamping minimum value. max the clamping maximum value.
- Returns
- the output stream if successfull elaboration. NULL if an error is encountered.
Return 0 if success. Return -1 if any error occurs.
◆ dspau_removemean()
| int dspau_removemean | ( | double * | in, |
| double * | out, | ||
| int | len | ||
| ) |
Subtract mean from stream.
- Parameters
-
in the input stream. (input) out the output stream. (output) len the length of the input stream.
- Returns
- the output stream if successfull elaboration. NULL if an error is encountered. Return 0 if success. Return -1 if any error occurs.
◆ dspau_stretch()
| int dspau_stretch | ( | double * | in, |
| double * | out, | ||
| int | len, | ||
| double | min, | ||
| double | max | ||
| ) |
Stretch minimum and maximum values of the input stream.
- Parameters
-
in the input stream. (input) out the output stream. (output) len the length of the input stream. min the desired minimum value. max the desired maximum value.
- Returns
- the output stream if successfull elaboration. NULL if an error is encountered. Return 0 if success. Return -1 if any error occurs.
◆ dspau_sub()
| int dspau_sub | ( | double * | in1, |
| double * | in2, | ||
| double * | out, | ||
| int | len | ||
| ) |
Subtract elements of one stream from another's.
- Parameters
-
in1 the input stream to be subtracted. (input) in2 the input stream with subtraction values. (input) out the output stream. (output) len the length of the input stream.
- Returns
- the output stream if successfull elaboration. NULL if an error is encountered. Return 0 if success. Return -1 if any error occurs.
◆ dspau_sub1()
| int dspau_sub1 | ( | double * | in, |
| double * | out, | ||
| int | len, | ||
| double | val | ||
| ) |
Subtract a value from elements of the input stream.
- Parameters
-
in the Numerators input stream. (input) out the output stream. (output) len the length of the input stream. val the value to be subtracted.
- Returns
- the output stream if successfull elaboration. NULL if an error is encountered. Return 0 if success. Return -1 if any error occurs.
◆ dspau_sum()
| int dspau_sum | ( | double * | in1, |
| double * | in2, | ||
| double * | out, | ||
| int | len | ||
| ) |
Sum elements of one stream to another's.
- Parameters
-
in1 the first input stream. (input) in2 the second input stream. (input) out the output stream. (output) len the length of the input stream.
- Returns
- the output stream if successfull elaboration. NULL if an error is encountered. Return 0 if success. Return -1 if any error occurs.
◆ dspau_sum1()
| int dspau_sum1 | ( | double * | in, |
| double * | out, | ||
| int | len, | ||
| double | val | ||
| ) |
Sum elements of the input stream to a value.
- Parameters
-
in the first input stream. (input) out the output stream. (output) len the length of the input stream. val the value used for this operation.
- Returns
- the output stream if successfull elaboration. NULL if an error is encountered. Return 0 if success. Return -1 if any error occurs.
