e2sm/headers/REAL.h

/*-
 * Copyright (c) 2004-2017 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;
extern asn_TYPE_operation_t asn_OP_REAL;

asn_struct_print_f REAL_print;
asn_struct_compare_f REAL_compare;
oer_type_decoder_f REAL_decode_oer;
oer_type_encoder_f REAL_encode_oer;
per_type_decoder_f REAL_decode_uper;
per_type_encoder_f REAL_encode_uper;
per_type_decoder_f REAL_decode_aper;
per_type_encoder_f REAL_encode_aper;
xer_type_decoder_f REAL_decode_xer;
xer_type_encoder_f REAL_encode_xer;
asn_random_fill_f  REAL_random_fill;

#define REAL_free          ASN__PRIMITIVE_TYPE_free,
#define REAL_constraint    asn_generic_no_constraint
#define REAL_decode_ber    ber_decode_primitive
#define REAL_encode_der    der_encode_primitive

/***********************************
 * 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);

/*
 * Downcast double to float while checking that no overflow occurs.
 * This allows stricter control of the input data.
 * RETURN VALUES:
 *  0: The conversion was successful (perhaps with a loss of precision)
 * -1: The conversion created overflow into infinities.
 * The (outcome) is ALWAYS set to a value you'd expect from the
 * standard silent float to double conversion behavior.
 */
int asn_double2float(double d, float *outcome);

#ifdef __cplusplus
}
#endif

#endif	/* ASN_TYPE_REAL_H */