Asterisk - The Open Source Telephony Project GIT-master-f36a736
Functions
deemp.c File Reference
#include "f2c.h"
Include dependency graph for deemp.c:

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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.

107{
108 /* Initialized data */
109
110 real *dei1;
111 real *dei2;
112 real *deo1;
113 real *deo2;
114 real *deo3;
115
116 /* System generated locals */
117 integer i__1;
118 real r__1;
119
120 /* Local variables */
121 integer k;
122 real dei0;
123
124/* Arguments */
125/* Local variables that need not be saved */
126/* Local state */
127/* All of the locals saved below were not given explicit initial */
128/* values in the original code. I think 0 is a safe choice. */
129 /* Parameter adjustments */
130 if (x) {
131 --x;
132 }
133
134 /* Function Body */
135
136 dei1 = &(st->dei1);
137 dei2 = &(st->dei2);
138 deo1 = &(st->deo1);
139 deo2 = &(st->deo2);
140 deo3 = &(st->deo3);
141
142 i__1 = *n;
143 for (k = 1; k <= i__1; ++k) {
144 dei0 = x[k];
145 r__1 = x[k] - *dei1 * 1.9998f + *dei2;
146 x[k] = r__1 + *deo1 * 2.5f - *deo2 * 2.0925f + *deo3 * .585f;
147 *dei2 = *dei1;
148 *dei1 = dei0;
149 *deo3 = *deo2;
150 *deo2 = *deo1;
151 *deo1 = x[k];
152 }
153 return 0;
154} /* deemp_ */
float real
Definition: lpc10.h:79
INT32 integer
Definition: lpc10.h:80

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_().