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// Cumulative Moving Average
//
// average_cumulative - cma
//
// Average of all data to the current point
//
// y[t] = ( 1 / k ) * SUM[ t = 1, k ]( x[t] )
//
// Inputs: 1
// Outputs: 1
// Constants: 0
#include <math.h>
#include "ts.h"
ts_parameter_t const ts_average_cumulative_p = { .n_inputs = 1, .n_outputs = 1, .n_constants = 0, .params_size = 0 };
uint_t ts_average_cumulative_offset( ts_constant_t const *c )
{
( void )c;
return ( 0 );
}
int ts_average_cumulative(
fp_t * const *y, uint_t y_n,
fp_t const * const *x, uint_t x_n,
uint_t n, ts_constant_t const *c
)
{
TS_PROLOGUE( ts_average_cumulative_p );
(void)c;
fp_t sum = 0;
for( uint_t i = 0; i < n; ++i )
{
sum += x[0][i];
y[0][i] = sum / ( i + 1 );
}
return 0;
}
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