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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/zdivmod.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 'src/zdivmod.c')
-rw-r--r--src/zdivmod.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/src/zdivmod.c b/src/zdivmod.c
index c77e34a..55d0e06 100644
--- a/src/zdivmod.c
+++ b/src/zdivmod.c
@@ -15,19 +15,19 @@ zdivmod(z_t a, z_t b, z_t c, z_t d)
sign = zsignum(c) * zsignum(d);
- if (EXPECT(!sign, 0)) {
+ if (unlikely(!sign)) {
if (zzero(c)) {
if (zzero(d)) {
- FAILURE(EDOM); /* Indeterminate form: 0 divided by 0 */
+ libzahl_failure(-ZERROR_0_DIV_0);
} else {
SET_SIGNUM(a, 0);
SET_SIGNUM(b, 0);
}
} else {
- FAILURE(EDOM); /* Undefined form: Division by 0 */
+ libzahl_failure(-ZERROR_DIV_0);
}
return;
- } else if (EXPECT((cmpmag = zcmpmag(c, d)) <= 0, 0)) {
+ } else if (unlikely((cmpmag = zcmpmag(c, d)) <= 0)) {
if (cmpmag == 0) {
zseti(a, sign);
SET_SIGNUM(b, 0);