127 lines
3.4 KiB
C
127 lines
3.4 KiB
C
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/*-
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* Copyright (c) 2004-2017 Lev Walkin <vlm@lionet.info>. All rights reserved.
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* Redistribution and modifications are permitted subject to BSD license.
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*/
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#ifndef ASN_TYPE_REAL_H
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#define ASN_TYPE_REAL_H
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#include "asn_application.h"
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#include "asn_codecs_prim.h"
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#ifndef _ISOC99_SOURCE
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#define _ISOC99_SOURCE /* For ilogb() and quiet NAN */
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#endif
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#ifndef _BSD_SOURCE
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#define _BSD_SOURCE /* To reintroduce finite(3) */
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#endif
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#if defined(__alpha)
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#include <sys/resource.h> /* For INFINITY */
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#endif
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#include <math.h>
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#if !(defined(NAN) || defined(INFINITY))
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static volatile double real_zero CC_NOTUSED = 0.0;
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#endif
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#ifndef NAN
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#define NAN (0.0/0.0)
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#endif
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#ifndef INFINITY
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#define INFINITY (1.0/0.0)
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef enum specialRealValue {
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SRV__NOT_A_NUMBER,
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SRV__MINUS_INFINITY,
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SRV__PLUS_INFINITY
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} specialRealValue_e;
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extern struct specialRealValue_s {
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char *string;
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size_t length;
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long dv;
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} specialRealValue[3];
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typedef ASN__PRIMITIVE_TYPE_t REAL_t;
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extern asn_TYPE_descriptor_t asn_DEF_REAL;
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extern asn_TYPE_operation_t asn_OP_REAL;
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#define REAL_free ASN__PRIMITIVE_TYPE_free
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#if !defined(ASN_DISABLE_PRINT_SUPPORT)
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asn_struct_print_f REAL_print;
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#endif /* !defined(ASN_DISABLE_PRINT_SUPPORT) */
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asn_struct_compare_f REAL_compare;
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asn_struct_copy_f REAL_copy;
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#define REAL_constraint asn_generic_no_constraint
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#if !defined(ASN_DISABLE_BER_SUPPORT)
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#define REAL_decode_ber ber_decode_primitive
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#define REAL_encode_der der_encode_primitive
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#endif /* !defined(ASN_DISABLE_BER_SUPPORT) */
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#if !defined(ASN_DISABLE_XER_SUPPORT)
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xer_type_decoder_f REAL_decode_xer;
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xer_type_encoder_f REAL_encode_xer;
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#endif /* !defined(ASN_DISABLE_XER_SUPPORT) */
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#if !defined(ASN_DISABLE_JER_SUPPORT)
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jer_type_decoder_f REAL_decode_jer;
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jer_type_encoder_f REAL_encode_jer;
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#endif /* !defined(ASN_DISABLE_JER_SUPPORT) */
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#if !defined(ASN_DISABLE_OER_SUPPORT)
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oer_type_decoder_f REAL_decode_oer;
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oer_type_encoder_f REAL_encode_oer;
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#endif /* !defined(ASN_DISABLE_OER_SUPPORT) */
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#if !defined(ASN_DISABLE_UPER_SUPPORT)
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per_type_decoder_f REAL_decode_uper;
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per_type_encoder_f REAL_encode_uper;
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#endif /* !defined(ASN_DISABLE_UPER_SUPPORT) */
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#if !defined(ASN_DISABLE_APER_SUPPORT)
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per_type_decoder_f REAL_decode_aper;
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per_type_encoder_f REAL_encode_aper;
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#endif /* !defined(ASN_DISABLE_APER_SUPPORT) */
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#if !defined(ASN_DISABLE_RFILL_SUPPORT)
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asn_random_fill_f REAL_random_fill;
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#endif /* !defined(ASN_DISABLE_RFILL_SUPPORT) */
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/***********************************
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* Some handy conversion routines. *
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***********************************/
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ssize_t REAL__dump(double d, int canonical, asn_app_consume_bytes_f *cb, void *app_key);
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/*
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* Convert between native double type and REAL representation (DER).
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* RETURN VALUES:
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* 0: Value converted successfully
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* -1: An error occurred while converting the value: invalid format.
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*/
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int asn_REAL2double(const REAL_t *real_ptr, double *d);
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int asn_double2REAL(REAL_t *real_ptr, double d);
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/*
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* Downcast double to float while checking that no overflow occurs.
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* This allows stricter control of the input data.
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* RETURN VALUES:
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* 0: The conversion was successful (perhaps with a loss of precision)
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* -1: The conversion created overflow into infinities.
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* The (outcome) is ALWAYS set to a value you'd expect from the
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* standard silent float to double conversion behavior.
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*/
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int asn_double2float(double d, float *outcome);
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#ifdef __cplusplus
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}
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#endif
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#endif /* ASN_TYPE_REAL_H */
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