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>

1 files changed, 1 insertions, 1 deletions

diff --git a/src/zset.c b/src/zset.c
index 9bb2778..b0188fc 100644
--- a/src/zset.c
+++ b/src/zset.c
@@ -5,7 +5,7 @@
 void
 zset(z_t a, z_t b)
 {
-	if (EXPECT(b->sign == 0, 0)) {
+	if (unlikely(b->sign == 0)) {
 		a->sign = 0;
 	} else {
 		a->sign = b->sign;