chenidct.c File Reference

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Macros
#define	LS(r, s)   ((r) << (s))
#define	RS(r, s)   ((r) >> (s)) /* Caution with rounding... */
#define	MSCALE(expr)   RS((expr),9)
#define	c1d4   362L
#define	c1d8   473L
#define	c3d8   196L
#define	c1d16   502L
#define	c3d16   426L
#define	c5d16   284L
#define	c7d16   100L

Functions
void	ChenIDct (int *x, int *y)

Macro Definition Documentation

c1d16

#define c1d16   502L

Definition at line 66 of file chenidct.c.

Referenced by ChenIDct().

c1d4

#define c1d4   362L

Definition at line 61 of file chenidct.c.

Referenced by ChenIDct().

c1d8

#define c1d8   473L

Definition at line 63 of file chenidct.c.

Referenced by ChenIDct().

c3d16

#define c3d16   426L

Definition at line 67 of file chenidct.c.

Referenced by ChenIDct().

c3d8

#define c3d8   196L

Definition at line 64 of file chenidct.c.

Referenced by ChenIDct().

c5d16

#define c5d16   284L

Definition at line 68 of file chenidct.c.

Referenced by ChenIDct().

c7d16

#define c7d16   100L

Definition at line 69 of file chenidct.c.

Referenced by ChenIDct().

LS

#define LS	(		r,
			s
	)		((r) << (s))

Definition at line 54 of file chenidct.c.

Referenced by ChenIDct().

MSCALE

#define MSCALE

(

expr

)

RS((expr),9)

Definition at line 57 of file chenidct.c.

Referenced by ChenIDct().

RS

#define RS	(		r,
			s
	)		((r) >> (s)) /* Caution with rounding... */

Definition at line 55 of file chenidct.c.

Function Documentation

ChenIDct()

void ChenIDct	(	int *	x,
		int *	y
	)

Definition at line 79 of file chenidct.c.

References a0, a1, a2, a3, b0, b1, b2, c0, c1, c1d16, c1d4, c1d8, c2, c3d16, c3d8, c5d16, c7d16, LS, and MSCALE.