support pgsql versions up to 11

[smlar.git] / smlar.h

diff --git a/smlar.h b/smlar.h
index 82a1bcb..6410326 100644 (file)
--- a/smlar.h
+++ b/smlar.h
@@ -6,6 +6,8 @@
 #include "access/tupdesc.h"
 #include "catalog/pg_collation.h"
 
+#include <math.h>
+
 typedef        struct ProcTypeInfoData *ProcTypeInfo;
 
 typedef struct ProcTypeInfoData {
@@ -58,7 +60,7 @@ typedef struct SimpleArray {
        Datum              *elems;
        double             *df;  /* frequency in current doc */
        uint32             *hash;
-       int                             nelems;
+       int                             nelems;
        ProcTypeInfo    info;
 } SimpleArray;
 
@@ -80,19 +82,19 @@ int getSmlType(void);
  * GiST
  */
 
-#define SmlarOverlapStrategy        1
-#define SmlarSimilarityStrategy     2
+#define SmlarOverlapStrategy           1
+#define SmlarSimilarityStrategy                2
 
 struct SmlSign;
 struct SmlSign* Array2HashedArray(ProcTypeInfo info, ArrayType *a);
 /*
  * Cache subsystem
  */
-void*  SearchArrayCache( void *cache, MemoryContext ctx, Datum a, ArrayType **da, SimpleArray **sa,  struct SmlSign  **ss );
+void*  SearchArrayCache( void *cache, MemoryContext ctx, Datum a, ArrayType **da, SimpleArray **sa,  struct SmlSign  **ss );
 
 typedef struct StatElem {
-    Datum      datum;
-       double          idf; /*  log(d/df) */
+       Datum           datum;
+       double          idf; /*  log(d/df) */
 } StatElem;
 
 typedef struct HashedElem {
@@ -107,13 +109,13 @@ typedef struct SignedElem {
 } SignedElem;
 
 typedef struct StatCache {
-       StatElem        *elems;
-       int             nelems;
-       int64_t         ndoc;
+       StatElem                *elems;
+       int                             nelems;
+       int64_t                 ndoc;
        HashedElem              *helems;
-       int             nhelems;
+       int                             nhelems;
        SignedElem              *selems;
-       ProcTypeInfo    info;
+       ProcTypeInfo    info;
 } StatCache;
 
 StatCache *initStatCache(MemoryContext ctx);