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// Crossover
//
// crossover - crossover
//
// ⎧ -1 if x0_i < x1_i and x0_i-1 > x1_i-1
// y_i = ⎨ 0 if x = 0
// ⎩ 1 if x0_i > x1_i and x0_i-1 < x1_i-1
//
// Inputs: 2
// Outputs: 1
// Constants: 0
#include <math.h>
#include "ts.h"
ts_parameter_t const ts_crossover_p = { .n_inputs = 2, .n_outputs = 1, .n_constants = 0, .params_size = 0 };
uint_t ts_crossover_offset( ts_constant_t const *c )
{
( void )c;
return ( 1 );
}
int ts_crossover(
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_crossover_p );
(void)c;
if ( n < 2 ) return -1;
uint_t xi;
uint_t yi;
xi = 1;
yi = 1;
y[0][0] = 0;
for( ; xi < n; xi++, yi++ )
{
if( x[0][xi] > x[1][xi] && x[0][xi - 1] <= x[1][xi - 1] )
y[0][yi] = 1;
else if( x[0][xi] < x[1][xi] && x[0][xi - 1] >= x[1][xi - 1] )
y[0][yi] = -1;
else
y[0][yi] = 0;
}
return 0;
}
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