Texas Instruments TMS320C64X manual 6. Math, 7. Matrix

DSPLIB Function Tables

Table 3−5. Filtering and Convolution (Continued)

Functions	Description	Page
void DSP_iir(short *r1, short *x, short *r2, short *h2, short	IIR with 5 Coefficients	4-54
*h1, int nr)
void DSP_iirlat(short *x, int nx, short *k, int nk, int *b,	All−pole IIR Lattice Filter	4-56
short *r)

Table 3−6. Math

Functions	Description	Page
int DSP_dotp_sqr(int G, short *x, short *y, int *r, int nx)	Vector Dot Product and Square	4-58
int DSP_dotprod(short *x, short *y, int nx)	Vector Dot Product	4-60
short DSP_maxval (short *x, int nx)	Maximum Value of a Vector	4-62
int DSP_maxidx (short *x, int nx)	Index of the Maximum Element of	4-63
	a Vector
short DSP_minval (short *x, int nx)	Minimum Value of a Vector	4-65
void DSP_mul32(int *x, int *y, int *r, short nx)	32-bit Vector Multiply	4-66
void DSP_neg32(int *x, int *r, short nx)	32-bit Vector Negate	4-68
void DSP_recip16 (short *x, short *rfrac, short *rexp, short	16-bit Reciprocal	4-69
nx)
int DSP_vecsumsq (short *x, int nx)	Sum of Squares	4-71
void DSP_w_vec(short *x, short *y, short m, short *r, short	Weighted Vector Sum	4-72
nr)

Table 3−7. Matrix

Functions	Description	Page
void DSP_mat_mul(short *x, int r1, int c1, short *y, int c2,	Matrix Multiplication	4-73
short *r, int qs)
void DSP_mat_trans(short *x, short rows, short columns,	Matrix Transpose	4-75
short *r)

3-6