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| author | Mattias Andrée <maandree@kth.se> | 2016-05-11 18:22:11 +0200 |
|---|---|---|
| committer | Mattias Andrée <maandree@kth.se> | 2016-05-11 18:25:15 +0200 |
| commit | 0703ea9ea4155d59d1356713789c60f5e6e8c7a6 (patch) | |
| tree | 77b55910f77563e4fc2c8ba77351ebaba876d602 /src | |
| parent | Fix typo (diff) | |
| download | libzahl-0703ea9ea4155d59d1356713789c60f5e6e8c7a6.tar.gz libzahl-0703ea9ea4155d59d1356713789c60f5e6e8c7a6.tar.bz2 libzahl-0703ea9ea4155d59d1356713789c60f5e6e8c7a6.tar.xz | |
Always satisfy n=qd+r to avoid confusion
Signed-off-by: Mattias Andrée <maandree@kth.se>
Diffstat (limited to 'src')
| -rw-r--r-- | src/zdivmod.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/src/zdivmod.c b/src/zdivmod.c index dae0e02..80b75df 100644 --- a/src/zdivmod.c +++ b/src/zdivmod.c @@ -67,9 +67,10 @@ done: void zdivmod(z_t a, z_t b, z_t c, z_t d) { - int sign, cmpmag; + int c_sign, sign, cmpmag; - sign = zsignum(c) * zsignum(d); + c_sign = zsignum(c); + sign = c_sign * zsignum(d); if (unlikely(!sign)) { if (check(!zzero(c))) { @@ -87,7 +88,6 @@ zdivmod(z_t a, z_t b, z_t c, z_t d) SET_SIGNUM(b, 0); } else { SET(b, c); - SET_SIGNUM(b, 1); SET_SIGNUM(a, 0); } return; @@ -95,4 +95,6 @@ zdivmod(z_t a, z_t b, z_t c, z_t d) zdivmod_impl(a, b, c, d); SET_SIGNUM(a, sign); + if (zsignum(b) > 0) + SET_SIGNUM(b, c_sign); } |