tiny_psnr.c File Reference
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <inttypes.h>
#include <assert.h>

Go to the source code of this file.

Macros

#define FFMIN(a, b)   ((a) > (b) ? (b) : (a))
#define F   100
#define SIZE   2048

Functions

static int64_t log16 (uint64_t a)
static uint64_t int_sqrt (uint64_t a)
int main (int argc, char *argv[])

Variables

uint64_t exp16_table [21]

Macro Definition Documentation

#define F   100

Definition at line 28 of file tiny_psnr.c.

Referenced by idct(), and main().

#define FFMIN (   a,
  b 
)    ((a) > (b) ? (b) : (a))

Definition at line 27 of file tiny_psnr.c.

Referenced by main().

#define SIZE   2048

Definition at line 29 of file tiny_psnr.c.

Referenced by main().

Function Documentation

static uint64_t int_sqrt ( uint64_t  a)
static

Definition at line 75 of file tiny_psnr.c.

Referenced by main().

static int64_t log16 ( uint64_t  a)
static

Definition at line 56 of file tiny_psnr.c.

Referenced by main().

int main ( int  argc,
char *  argv[] 
)

Definition at line 91 of file tiny_psnr.c.

Variable Documentation

uint64_t exp16_table[21]
Initial value:
{
65537,
65538,
65540,
65544,
65552,
65568,
65600,
65664,
65793,
66050,
66568,
67616,
69763,
74262,
84150,
108051,
178145,
484249,
3578144,
195360063,
582360139072LL,
}

Definition at line 31 of file tiny_psnr.c.

Referenced by log16().