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authorMattias Andrée <maandree@kth.se>2016-03-13 23:54:56 +0100
committerMattias Andrée <maandree@kth.se>2016-03-13 23:54:56 +0100
commit5b10b24044b3350a19ab3d3c0b37b5e9c12365b1 (patch)
tree3f6aa8de29becc5d7511fcca50e6d31982c1b64b /src/zpowu.c
parentOptimisations (diff)
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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 '')
-rw-r--r--src/zpowu.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/src/zpowu.c b/src/zpowu.c
index 67cdc58..c4a2a64 100644
--- a/src/zpowu.c
+++ b/src/zpowu.c
@@ -7,12 +7,12 @@
void
zpowu(z_t a, z_t b, unsigned long long int c)
{
- if (EXPECT(!c, 0)) {
+ if (unlikely(!c)) {
if (zzero(b))
- FAILURE(EDOM); /* Indeterminate form: 0:th power of 0 */
+ libzahl_failure(-ZERROR_0_POW_0);
zsetu(a, 1);
return;
- } else if (EXPECT(zzero(b), 0)) {
+ } else if (unlikely(zzero(b))) {
SET_SIGNUM(a, 0);
return;
}