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| author | Kevin Ryde <user42@zip.com.au> | 2001-10-02 03:09:00 +0200 |
|---|---|---|
| committer | Kevin Ryde <user42@zip.com.au> | 2001-10-02 03:09:00 +0200 |
| commit | 40231d09bb8a764a5618b67e33d976b5bd80ee85 (patch) | |
| tree | 937886aea5252fc562a59de80fc985ff1ce34966 /mpz | |
| parent | 2ae6fad8b30a45dfe42a302f6cab074039b56034 (diff) | |
| download | gmp-40231d09bb8a764a5618b67e33d976b5bd80ee85.tar.gz | |
Corrections to a couple of comments from:
* mpz/hamdist.c: Support neg/neg operands.
Diffstat (limited to 'mpz')
| -rw-r--r-- | mpz/hamdist.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/mpz/hamdist.c b/mpz/hamdist.c index 5bdbc8884..2c26934b6 100644 --- a/mpz/hamdist.c +++ b/mpz/hamdist.c @@ -93,7 +93,7 @@ mpz_hamdist (mpz_srcptr u, mpz_srcptr v) } } - /* twos complement for non-zero limbs (ulimb is non-zero, but vlimb + /* twos complement first non-zero limbs (ulimb is non-zero, but vlimb might be zero) */ ulimb = -ulimb; vlimb = -vlimb; @@ -148,7 +148,8 @@ mpz_hamdist (mpz_srcptr u, mpz_srcptr v) vp += step; } - /* Remaining high part of u or v, if any, ones complement. */ + /* Remaining high part of u or v, if any, ones complement but xor + against all ones in the other, so plain popcount. */ if (usize != 0) { remaining: |