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// Rainbow Ma
//
// rainbow_ma
//
// Rainbow Moving Average
//
//
//
// Inputs: 1
// Outputs: 1
// Constants: 0
#include "ts.h"
ts_parameter_t const ts_rainbow_ma_p = { .n_inputs = 1, .n_outputs = 1, .n_constants = 0, .params_size = 0 };
uint_t ts_rainbow_ma_offset( ts_constant_t const *c )
{
( void )c;
return ( 19 );
}
int ts_rainbow_ma(
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_rainbow_ma_p );
(void)c;
uint_t periods[7] = {3, 5, 7, 9, 11, 13, 15};
for( uint_t j = 0; j < n && j < 19; ++j ) y[0][j] = 0;
for( uint_t i = 19; i < n; ++i )
{
fp_t sma_values[7];
for( uint_t p = 0; p < 7; ++p )
{
fp_t sum = 0;
for( uint_t j = 0; j < periods[p]; ++j )
sum += x[0][i - j];
sma_values[p] = sum / periods[p];
}
for( uint_t a = 0; a < 6; ++a )
for( uint_t b = a + 1; b < 7; ++b )
if( sma_values[a] > sma_values[b] )
{
fp_t t = sma_values[a];
sma_values[a] = sma_values[b];
sma_values[b] = t;
}
y[0][i] = sma_values[2];
}
return 0;
}
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