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| author | Jim Meyering <jim@meyering.net> | 2012-10-23 12:08:58 +0200 |
|---|---|---|
| committer | Jim Meyering <jim@meyering.net> | 2012-10-23 14:24:02 +0200 |
| commit | b8778bb18650bdca6792b17dacdfa92ea788ded2 (patch) | |
| tree | 6e9ec636d6517bb681035b2c11f4d9fe8918ae0b /src/factor.c | |
| parent | 22ba81b2526cb55b4f0d860dcc471872031a7fa8 (diff) | |
| download | coreutils-b8778bb18650bdca6792b17dacdfa92ea788ded2.tar.xz | |
factor: add comments
* src/factor.c (is_square): Use active voice in comment, not passive.
(factor): Add function-describing comment.
(mp_factor): Likewise.
Diffstat (limited to 'src/factor.c')
| -rw-r--r-- | src/factor.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/src/factor.c b/src/factor.c index d38c5838c..4c2af9811 100644 --- a/src/factor.c +++ b/src/factor.c @@ -1801,7 +1801,7 @@ isqrt2 (uintmax_t nh, uintmax_t nl) #define MAGIC65 ((uint64_t) 0x218a019866014613ULL) #define MAGIC11 0x23b -/* Returns the square root if the input is a square, otherwise 0. */ +/* Return the square root if the input is a square, otherwise 0. */ static uintmax_t _GL_ATTRIBUTE_CONST is_square (uintmax_t x) { @@ -2176,6 +2176,8 @@ factor_using_squfof (uintmax_t n1, uintmax_t n0, struct factors *factors) return false; } +/* Compute the prime factors of the 128-bit number (T1,T0), and put the + results in FACTORS. Use the algorithm selected by the global ALG. */ static void factor (uintmax_t t1, uintmax_t t0, struct factors *factors) { @@ -2206,6 +2208,8 @@ factor (uintmax_t t1, uintmax_t t0, struct factors *factors) } #if HAVE_GMP +/* Use Pollard-rho to compute the prime factors of + arbitrary-precision T, and put the results in FACTORS. */ static void mp_factor (mpz_t t, struct mp_factors *factors) { |