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10-31-2002
just a few pointers.. (
)
Unlike pointers, you must immediately initialize a reference:
Also remember that you can't use an operator to operate on the reference like you can do with pointers. An example...
)Unlike pointers, you must immediately initialize a reference:
Quote:
int a = 5;
int* ptr; // OK!
int& x; // Error!
int& y = a; // OK!
int* ptr; // OK!
int& x; // Error!
int& y = a; // OK!
Quote:
#include <iostream>
using std::cout;
using std::endl;
int main()
{
int a[4] = {12, 8, 543, 74};
int* ptr = &a[2];
int& ref = a[2];
ptr++;
ref++; //Nothing happens to the reference
cout << "reference: " << ref << endl;
cout << "pointer: " << *ptr << endl;
}
using std::cout;
using std::endl;
int main()
{
int a[4] = {12, 8, 543, 74};
int* ptr = &a[2];
int& ref = a[2];
ptr++;
ref++; //Nothing happens to the reference
cout << "reference: " << ref << endl;
cout << "pointer: " << *ptr << endl;
}
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LEARN ABOUT OPENSOLARIS
mlib_videodct16x16_s16_s16
mlib_VideoDCT16x16_S16_S16(3MLIB) mediaLib Library Functions mlib_VideoDCT16x16_S16_S16(3MLIB) NAME
mlib_VideoDCT16x16_S16_S16 - forward Discrete Cosine Transform (DCT) SYNOPSIS
cc [ flag... ] file... -lmlib [ library... ] #include <mlib.h> mlib_status mlib_VideoDCT16x16_S16_S16(mlib_s16 coeffs[256], const mlib_s16 block[256]); DESCRIPTION
The input to the DCT routine is the difference between the current block and the reference block. The difference pixel can occupy nine bits and is represented as a 16-bit datum. The source and destination buffer addresses must be 8-byte aligned. PARAMETERS
The function takes the following arguments: coeffs Pointer to the destination DCT coefficients. coeffs must be 8-byte aligned. block Pointer to an 16x16 motion-compensated block that is the difference between the reference block and the current block. block must be 8-byte aligned. RETURN VALUES
The function returns MLIB_SUCCESS if successful. Otherwise it returns MLIB_FAILURE. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Interface Stability |Committed | +-----------------------------+-----------------------------+ |MT-Level |MT-Safe | +-----------------------------+-----------------------------+ SEE ALSO
mlib_VideoDCT2x2_S16_S16(3MLIB), mlib_VideoDCT4x4_S16_S16(3MLIB), mlib_VideoDCT8x8_S16_S16(3MLIB), mlib_VideoDCT8x8_S16_S16_B12(3MLIB), mlib_VideoDCT8x8_S16_S16_NA(3MLIB), mlib_VideoDCT8x8_S16_U8(3MLIB), mlib_VideoDCT8x8_S16_U8_NA(3MLIB), mlib_VideoDCT16x16_S16_S16(3MLIB), mlib_VideoDCT16x16_S16_S16_B10(3MLIB), mlib_VideoDeQuantize_S16(3MLIB), mlib_VideoDeQuantizeInit_S16(3MLIB), mlib_VideoQuantize_S16(3MLIB), mlib_VideoQuantizeInit_S16(3MLIB), attributes(5) SunOS 5.11 2 Mar 2007 mlib_VideoDCT16x16_S16_S16(3MLIB)