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C 的代码
example 6-6.c
//Example 6 - 6. SSLMS Implementation C Listing
y[n] = 0; // 初始化输出缓冲区为0
for (i = 0; i < L; i++) {
y[n] += wn[i] * xn[i]; // 乘累加的实现
}
en = d[n] – y[n];
for (i =
example 6-4.c
//Example 6 - 4. SELMS Implementation C Listing
y[n] = 0; // 初始化输出缓冲区为0
for (i = 0; i < L; i++) {
y[n] += wn[i] * xn[i]; // 乘累加的实现
}
en = d[n] – y[n];
temp = mu;
example 3-27.c
; Example 3 - 27. DIT Radix-4 FFT C Listing
void radix4(int n, short x[], short w[])
{
int n1, n2, ie, ia1, ia2, ia3, i0, i1, i2, i3, j, k;
short t, r1, r2, s1, s2, co1, co2, co3, si1, si2,
example 3-21.c
Example 3 - 21. Split Function C Listing for the FFT of two N-Point Real Sequences
/****************************************************************
FILE：split.c
This is the C source code
example 3-28.c
; Example 3 - 28. Autoscaling DIT Radix-4 FFT with C62x C Intrinsics
int r4_fft(short n, int x[], const int w[])
{
int n1, n2, ie, ia1, ia2, ia3, i0, i1, i2, i3, j, k;
int t0, t1, t2;
int
example 3-2.c
;Example 3 - 2. Bit Reversion for Float-Point Complex DIT Radix-2 FFT C Listing
/***************************************************************/
/* bitRevData --- pointer to the index of bit re
example 3-1.c
;Example 3 - 1. Generation of Twiddle Factor for Float-Point Complex Radix-2 FFT C Listing
/***************************************************************/
/* twiFactor --- pointer to the twi
example 3-25.c
; Example 3 - 25. Split Function C Listing for the FFT of a 2N-Point Real Sequences
/****************************************************************
FILE
Split2.c - This is the C source code
example 3-31.c
; Example 3 - 31. Extended Precision Multiplication C Listing Shifting before Addition
int epmpy(int A, int B)
{
short AH, BH;
unsigned short AL, BL;
int ahbl, albh, ahbh;
AH = A>>16; AL
example 3-3.c
;Example 3 - 3. Float-Point Complex DIT Radix-2 FFT C Listing
/****************************************************************/
/* x --- pointer to input data array in normal order */
/* w ---