FFmpeg
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arbitrary precision integers More...
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Functions | |
AVInteger | av_add_i (AVInteger a, AVInteger b) |
AVInteger | av_sub_i (AVInteger a, AVInteger b) |
int | av_log2_i (AVInteger a) |
Return the rounded-down value of the base 2 logarithm of the given AVInteger. More... | |
AVInteger | av_mul_i (AVInteger a, AVInteger b) |
int | av_cmp_i (AVInteger a, AVInteger b) |
Return 0 if a==b, 1 if a>b and -1 if a<b. More... | |
AVInteger | av_shr_i (AVInteger a, int s) |
bitwise shift More... | |
AVInteger | av_mod_i (AVInteger *quot, AVInteger a, AVInteger b) |
Return a % b. More... | |
AVInteger | av_div_i (AVInteger a, AVInteger b) |
Return a/b. More... | |
AVInteger | av_int2i (int64_t a) |
Convert the given int64_t to an AVInteger. More... | |
int64_t | av_i2int (AVInteger a) |
Convert the given AVInteger to an int64_t. More... | |
arbitrary precision integers
Definition in file integer.c.
Definition at line 32 of file integer.c.
Referenced by av_rescale_rnd().
Definition at line 42 of file integer.c.
Referenced by av_mod_i().
int av_log2_i | ( | AVInteger | a | ) | const |
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.
Definition at line 52 of file integer.c.
Referenced by av_mod_i(), and av_mul_i().
Definition at line 62 of file integer.c.
Referenced by av_rescale_rnd().
Return 0 if a==b, 1 if a>b and -1 if a<b.
Definition at line 83 of file integer.c.
Referenced by av_mod_i().
bitwise shift
s | the number of bits by which the value should be shifted right, may be negative for shifting left |
Definition at line 95 of file integer.c.
Referenced by av_mod_i().
Return a % b.
quot | a/b will be stored here. |
Definition at line 109 of file integer.c.
Referenced by av_div_i().
AVInteger av_int2i | ( | int64_t | a | ) |
Convert the given int64_t to an AVInteger.
Definition at line 139 of file integer.c.
Referenced by av_rescale_rnd().