Larger constant Phi in hash16.

2 files changed, 3 insertions, 3 deletions

diff --git a/stc/ccommon.h b/stc/ccommon.h
index 75567256..3cda038d 100644
--- a/stc/ccommon.h
+++ b/stc/ccommon.h
@@ -76,7 +76,7 @@
 #endif

 #define c_swap(T, x, y)         do { T __t = x; x = y; y = __t; } while (0)

 #define c_no_compare(x, y)      (0)

-#define c_mem_equals(x, y)      (memcmp(x, y, sizeof(*(y))) == 0)

+#define c_mem_equals(x, y)      (memcmp(x, y, sizeof *(x)) == 0)

 #define c_default_equals(x, y)  (*(x) == *(y))

 #define c_default_less(x, y)    (*(x) < *(y))

 #define c_less_compare(less, x, y) (less(y, x) - less(x, y))

diff --git a/stc/cmap.h b/stc/cmap.h
index 4197b169..e9a4bc72 100644
--- a/stc/cmap.h
+++ b/stc/cmap.h
@@ -445,8 +445,8 @@ typedef struct {size_t idx; uint32_t hx;} cmap_bucket_t, cset_bucket_t;
 

 STC_DEF uint32_t c_default_hash16(const void *data, size_t len) {

     const volatile uint16_t *key = (const uint16_t *) data;

-    uint64_t x = *key++ * 0xc613fc15u;

-    while (len -= 2) x = (*key++ + x) * 2654435769ull;

+    uint64_t x = *key++ * 11400714819323198485llu;

+    while (len -= 2) x = (*key++ + x) * 11400714819323198485llu;

     return (uint32_t) x;

 }

 STC_DEF uint32_t c_default_hash32(const void* data, size_t len) {