deemp.c File Reference

#include "f2c.h"

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Functions
int	deemp_ (real *x, integer *n, struct lpc10_decoder_state *st)

Function Documentation

deemp_()

int deemp_	(	real *	x,
		integer *	n,
		struct lpc10_decoder_state *	st
	)

Definition at line 106 of file deemp.c.

References lpc10_decoder_state::dei1, lpc10_decoder_state::dei2, lpc10_decoder_state::deo1, lpc10_decoder_state::deo2, and lpc10_decoder_state::deo3.

Referenced by synths_().

{
    /* Initialized data */

    real *dei1;
    real *dei2;
    real *deo1;
    real *deo2;
    real *deo3;

    /* System generated locals */
    integer i__1;
    real r__1;

    /* Local variables */
    integer k;
    real dei0;

/*       Arguments */
/*       Local variables that need not be saved */
/*       Local state */
/*       All of the locals saved below were not given explicit initial */
/*       values in the original code.  I think 0 is a safe choice. */
    /* Parameter adjustments */
    if (x) {
   --x;
   }

    /* Function Body */

    dei1 = &(st->dei1);
    dei2 = &(st->dei2);
    deo1 = &(st->deo1);
    deo2 = &(st->deo2);
    deo3 = &(st->deo3);

    i__1 = *n;
    for (k = 1; k <= i__1; ++k) {
   dei0 = x[k];
   r__1 = x[k] - *dei1 * 1.9998f + *dei2;
   x[k] = r__1 + *deo1 * 2.5f - *deo2 * 2.0925f + *deo3 * .585f;
   *dei2 = *dei1;
   *dei1 = dei0;
   *deo3 = *deo2;
   *deo2 = *deo1;
   *deo1 = x[k];
    }
    return 0;
} /* deemp_ */