*/
/**
- * @file integer.h
+ * @file
* arbitrary precision integers
* @author Michael Niedermayer <michaelni@gmx.at>
*/
-#ifndef FFMPEG_INTEGER_H
-#define FFMPEG_INTEGER_H
+#ifndef AVUTIL_INTEGER_H
+#define AVUTIL_INTEGER_H
#include <stdint.h>
#include "common.h"
AVInteger av_sub_i(AVInteger a, AVInteger b) av_const;
/**
- * returns the rounded down value of the logarithm of base 2 of the given AVInteger.
- * this is simply the index of the most significant bit which is 1. Or 0 of all bits are 0
+ * Return the rounded-down value of the base 2 logarithm of the given
+ * AVInteger. This is simply the index of the most significant bit
+ * which is 1, or 0 if all bits are 0.
*/
int av_log2_i(AVInteger a) av_const;
AVInteger av_mul_i(AVInteger a, AVInteger b) av_const;
/**
- * returns 0 if a==b, 1 if a>b and -1 if a<b.
+ * Return 0 if a==b, 1 if a>b and -1 if a<b.
*/
int av_cmp_i(AVInteger a, AVInteger b) av_const;
/**
- * bitwise shift.
- * @param s the number of bits by which the value should be shifted right, may be negative for shifting left
+ * bitwise shift
+ * @param s the number of bits by which the value should be shifted right,
+ may be negative for shifting left
*/
AVInteger av_shr_i(AVInteger a, int s) av_const;
/**
- * returns a % b.
- * @param quot a/b will be stored here
+ * Return a % b.
+ * @param quot a/b will be stored here.
*/
AVInteger av_mod_i(AVInteger *quot, AVInteger a, AVInteger b);
/**
- * returns a/b.
+ * Return a/b.
*/
AVInteger av_div_i(AVInteger a, AVInteger b) av_const;
/**
- * converts the given int64_t to an AVInteger.
+ * Convert the given int64_t to an AVInteger.
*/
AVInteger av_int2i(int64_t a) av_const;
/**
- * converts the given AVInteger to an int64_t.
- * if the AVInteger is too large to fit into an int64_t,
- * then only the least significant 64bit will be used
+ * Convert the given AVInteger to an int64_t.
+ * If the AVInteger is too large to fit into an int64_t,
+ * then only the least significant 64 bits will be used.
*/
int64_t av_i2int(AVInteger a) av_const;
-#endif /* FFMPEG_INTEGER_H */
+#endif /* AVUTIL_INTEGER_H */