ref: fc13987b1ad0d55908528598d0f30b364cc62030
dir: /silk/interpolate.c/
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#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "main.h"
/* Interpolate two vectors */
void silk_interpolate(
opus_int16 xi[ MAX_LPC_ORDER ], /* O interpolated vector */
const opus_int16 x0[ MAX_LPC_ORDER ], /* I first vector */
const opus_int16 x1[ MAX_LPC_ORDER ], /* I second vector */
const opus_int ifact_Q2, /* I interp. factor, weight on 2nd vector */
const opus_int d /* I number of parameters */
)
{
opus_int i;
celt_assert( ifact_Q2 >= 0 );
celt_assert( ifact_Q2 <= 4 );
for( i = 0; i < d; i++ ) {
xi[ i ] = (opus_int16)silk_ADD_RSHIFT( x0[ i ], silk_SMULBB( x1[ i ] - x0[ i ], ifact_Q2 ), 2 );
}
}