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Rename static function log2 to ilog2 to avoid clashes (and compiler warnings) with built-in function called log2
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@ -32,8 +32,8 @@
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*
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* Author : Joakim Eriksson
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* Created : 2008-03-27
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* Updated : $Date: 2008/04/25 22:12:25 $
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* $Revision: 1.2 $
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* Updated : $Date: 2008/07/03 23:40:12 $
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* $Revision: 1.3 $
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*/
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#include "lib/ifft.h"
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@ -59,7 +59,7 @@ static const int8_t SIN_TAB[] = {
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};
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static uint16_t bitrev(uint16_t j, uint16_t nu)
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static uint16_t bitrev(uint16_t j, uint16_t nu)
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{
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uint16_t k;
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k = 0;
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@ -72,19 +72,19 @@ static uint16_t bitrev(uint16_t j, uint16_t nu)
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/* Non interpolating sine... which takes an angle of 0 - 999 */
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static int16_t sinI(uint16_t angleMilli)
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static int16_t sinI(uint16_t angleMilli)
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{
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uint16_t pos;
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pos = (uint16_t) ((SIN_TAB_LEN * (uint32_t) angleMilli) / 1000);
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return SIN_TAB[pos % SIN_TAB_LEN];
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}
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static int16_t cosI(uint16_t angleMilli)
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static int16_t cosI(uint16_t angleMilli)
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{
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return sinI(angleMilli + 250);
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}
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static uint16_t log2(uint16_t val)
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static uint16_t ilog2(uint16_t val)
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{
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uint16_t log;
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log = 0;
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@ -111,7 +111,7 @@ static uint16_t log2(uint16_t val)
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calculations.
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*/
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void
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ifft(int16_t xre[], int16_t xim[], uint16_t n)
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ifft(int16_t xre[], int16_t xim[], uint16_t n)
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{
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uint16_t nu;
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uint16_t n2;
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@ -119,7 +119,7 @@ ifft(int16_t xre[], int16_t xim[], uint16_t n)
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int p, k, l, i;
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int32_t c, s, tr, ti;
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nu = log2(n);
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nu = ilog2(n);
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nu1 = nu - 1;
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n2 = n / 2;
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