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| author | Mattias Andrée <maandree@kth.se> | 2016-03-13 23:54:56 +0100 |
|---|---|---|
| committer | Mattias Andrée <maandree@kth.se> | 2016-03-13 23:54:56 +0100 |
| commit | 5b10b24044b3350a19ab3d3c0b37b5e9c12365b1 (patch) | |
| tree | 3f6aa8de29becc5d7511fcca50e6d31982c1b64b /src/zgcd.c | |
| parent | Optimisations (diff) | |
| download | libzahl-5b10b24044b3350a19ab3d3c0b37b5e9c12365b1.tar.gz libzahl-5b10b24044b3350a19ab3d3c0b37b5e9c12365b1.tar.bz2 libzahl-5b10b24044b3350a19ab3d3c0b37b5e9c12365b1.tar.xz | |
Multiple changes:
1) Compile test with -O0, it takes too long otherwise.
2) Add error codes: ZERROR_0_POW_0, ZERROR_0_DIV_0, ZERROR_DIV_0, ZERROR_NEGATIVE.
3) Add workaround for a bug in clang (src/allocator.c).
4) Cleanups.
5) Minor optimisations.
6) Add inclusion guard for zahl.h.
Signed-off-by: Mattias Andrée <maandree@kth.se>
Diffstat (limited to 'src/zgcd.c')
| -rw-r--r-- | src/zgcd.c | 8 |
1 files changed, 4 insertions, 4 deletions
@@ -16,22 +16,22 @@ zgcd(z_t a, z_t b, z_t c) zahl_char_t uv, bit; int neg; - if (EXPECT(!zcmp(b, c), 0)) { + if (unlikely(!zcmp(b, c))) { SET(a, b); return; } - if (EXPECT(zzero(b), 0)) { + if (unlikely(zzero(b))) { SET(a, c); return; } - if (EXPECT(zzero(c), 0)) { + if (unlikely(zzero(c))) { SET(a, b); return; } zabs(u, b); zabs(v, c); - neg = zsignum(b) < 0 && zsignum(c) < 0; + neg = znegative2(b, c); min = MIN(u->used, v->used); for (; i < min; i++) { |