From cadfc72b75bb447a684bbfaf057609ef9bc29c2f Mon Sep 17 00:00:00 2001
From: Andrew Kane <andrew@ankane.org>
Date: Mon, 15 Apr 2024 14:14:25 -0700
Subject: [PATCH] Fixed compilation on Windows

---
 src/halfvec.h   | 2 +-
 src/sparsevec.h | 2 +-
 src/vector.h    | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/halfvec.h b/src/halfvec.h
index 42b6dce..5378b2c 100644
--- a/src/halfvec.h
+++ b/src/halfvec.h
@@ -44,6 +44,6 @@ typedef struct HalfVector
 
 HalfVector *InitHalfVector(int dim);
 int			halfvec_cmp_internal(HalfVector * a, HalfVector * b);
-Datum		halfvec_l2_normalize(PG_FUNCTION_ARGS);
+PGDLLEXPORT Datum halfvec_l2_normalize(PG_FUNCTION_ARGS);
 
 #endif
diff --git a/src/sparsevec.h b/src/sparsevec.h
index efba1bf..52939bf 100644
--- a/src/sparsevec.h
+++ b/src/sparsevec.h
@@ -23,6 +23,6 @@ typedef struct SparseVector
 }			SparseVector;
 
 SparseVector *InitSparseVector(int dim, int nnz);
-Datum		sparsevec_l2_normalize(PG_FUNCTION_ARGS);
+PGDLLEXPORT Datum sparsevec_l2_normalize(PG_FUNCTION_ARGS);
 
 #endif
diff --git a/src/vector.h b/src/vector.h
index 4742c37..6662a59 100644
--- a/src/vector.h
+++ b/src/vector.h
@@ -21,6 +21,6 @@ typedef struct Vector
 Vector	   *InitVector(int dim);
 void		PrintVector(char *msg, Vector * vector);
 int			vector_cmp_internal(Vector * a, Vector * b);
-Datum		l2_normalize(PG_FUNCTION_ARGS);
+PGDLLEXPORT Datum l2_normalize(PG_FUNCTION_ARGS);
 
 #endif