diff --git a/src/REAL.h b/src/REAL.h
new file mode 100644
index 0000000..28ccf28
--- /dev/null
+++ b/src/REAL.h
@@ -0,0 +1,42 @@
+/*-
+ * Copyright (c) 2004 Lev Walkin <vlm@lionet.info>. All rights reserved.
+ * Redistribution and modifications are permitted subject to BSD license.
+ */
+#ifndef	ASN_TYPE_REAL_H
+#define	ASN_TYPE_REAL_H
+
+#include <asn_application.h>
+#include <asn_codecs_prim.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef ASN__PRIMITIVE_TYPE_t REAL_t;
+
+extern asn_TYPE_descriptor_t asn_DEF_REAL;
+
+asn_struct_print_f REAL_print;
+xer_type_decoder_f REAL_decode_xer;
+xer_type_encoder_f REAL_encode_xer;
+
+/***********************************
+ * Some handy conversion routines. *
+ ***********************************/
+
+ssize_t REAL__dump(double d, int canonical, asn_app_consume_bytes_f *cb, void *app_key);
+
+/*
+ * Convert between native double type and REAL representation (DER).
+ * RETURN VALUES:
+ *  0: Value converted successfully
+ * -1: An error occured while converting the value: invalid format.
+ */
+int asn_REAL2double(const REAL_t *real_ptr, double *d);
+int asn_double2REAL(REAL_t *real_ptr, double d);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif	/* ASN_TYPE_REAL_H */