--- /dev/null
+/*-
+ * Copyright (c) 2004-2017 Lev Walkin <vlm@lionet.info>. All rights reserved.
+ * Redistribution and modifications are permitted subject to BSD license.
+ */
+/*
+ * Read the NativeReal.h for the explanation wrt. differences between
+ * REAL and NativeReal.
+ * Basically, both are decoders and encoders of ASN.1 REAL type, but this
+ * implementation deals with the standard (machine-specific) representation
+ * of them instead of using the platform-independent buffer.
+ */
+#include <asn_internal.h>
+#include <NativeReal.h>
+#include <REAL.h>
+#include <OCTET_STRING.h>
+#include <math.h>
+#include <float.h>
+
+#if defined(__clang__)
+/*
+ * isnan() is defined using generic selections and won't compile in
+ * strict C89 mode because of too fancy system's standard library.
+ * However, prior to C11 the math had a perfectly working isnan()
+ * in the math library.
+ * Disable generic selection warning so we can test C89 mode with newer libc.
+ */
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wc11-extensions"
+static int asn_isnan(double d) {
+ return isnan(d);
+}
+#pragma clang diagnostic pop
+#else
+#define asn_isnan(v) isnan(v)
+#endif /* generic selections */
+
+/*
+ * NativeReal basic type description.
+ */
+static const ber_tlv_tag_t asn_DEF_NativeReal_tags[] = {
+ (ASN_TAG_CLASS_UNIVERSAL | (9 << 2))
+};
+asn_TYPE_operation_t asn_OP_NativeReal = {
+ NativeReal_free,
+ NativeReal_print,
+ NativeReal_compare,
+ NativeReal_decode_ber,
+ NativeReal_encode_der,
+ NativeReal_decode_xer,
+ NativeReal_encode_xer,
+#ifdef ASN_DISABLE_OER_SUPPORT
+ 0,
+ 0,
+#else
+ NativeReal_decode_oer,
+ NativeReal_encode_oer,
+#endif /* ASN_DISABLE_OER_SUPPORT */
+#ifdef ASN_DISABLE_PER_SUPPORT
+ 0,
+ 0,
+ 0,
+ 0,
+#else
+ NativeReal_decode_uper,
+ NativeReal_encode_uper,
+ NativeReal_decode_aper,
+ NativeReal_encode_aper,
+#endif /* ASN_DISABLE_PER_SUPPORT */
+ NativeReal_random_fill,
+ 0 /* Use generic outmost tag fetcher */
+};
+asn_TYPE_descriptor_t asn_DEF_NativeReal = {
+ "REAL", /* The ASN.1 type is still REAL */
+ "REAL",
+ &asn_OP_NativeReal,
+ asn_DEF_NativeReal_tags,
+ sizeof(asn_DEF_NativeReal_tags) / sizeof(asn_DEF_NativeReal_tags[0]),
+ asn_DEF_NativeReal_tags, /* Same as above */
+ sizeof(asn_DEF_NativeReal_tags) / sizeof(asn_DEF_NativeReal_tags[0]),
+ { 0, 0, asn_generic_no_constraint },
+ 0, 0, /* No members */
+ 0 /* No specifics */
+};
+
+static size_t NativeReal__float_size(const asn_TYPE_descriptor_t *td);
+static double NativeReal__get_double(const asn_TYPE_descriptor_t *td,
+ const void *ptr);
+static ssize_t NativeReal__set(const asn_TYPE_descriptor_t *td, void **sptr,
+ double d);
+
+/*
+ * Decode REAL type.
+ */
+asn_dec_rval_t
+NativeReal_decode_ber(const asn_codec_ctx_t *opt_codec_ctx,
+ const asn_TYPE_descriptor_t *td, void **sptr,
+ const void *buf_ptr, size_t size, int tag_mode) {
+ asn_dec_rval_t rval;
+ ber_tlv_len_t length;
+
+ ASN_DEBUG("Decoding %s as REAL (tm=%d)", td->name, tag_mode);
+
+ /*
+ * Check tags.
+ */
+ rval = ber_check_tags(opt_codec_ctx, td, 0, buf_ptr, size, tag_mode, 0,
+ &length, 0);
+ if(rval.code != RC_OK) return rval;
+ assert(length >= 0); /* Ensured by ber_check_tags */
+
+ ASN_DEBUG("%s length is %d bytes", td->name, (int)length);
+
+ /*
+ * Make sure we have this length.
+ */
+ buf_ptr = ((const char *)buf_ptr) + rval.consumed;
+ size -= rval.consumed;
+ if(length > (ber_tlv_len_t)size) {
+ rval.code = RC_WMORE;
+ rval.consumed = 0;
+ return rval;
+ }
+
+ /*
+ * ASN.1 encoded REAL: buf_ptr, length
+ * Fill the Dbl, at the same time checking for overflow.
+ * If overflow occured, return with RC_FAIL.
+ */
+ {
+ uint8_t scratch[24]; /* Longer than %.16f in decimal */
+ REAL_t tmp;
+ double d;
+ int ret;
+
+ if((size_t)length < sizeof(scratch)) {
+ tmp.buf = scratch;
+ tmp.size = length;
+ } else {
+ /* This rarely happens: impractically long value */
+ tmp.buf = CALLOC(1, length + 1);
+ tmp.size = length;
+ if(!tmp.buf) {
+ rval.code = RC_FAIL;
+ rval.consumed = 0;
+ return rval;
+ }
+ }
+
+ memcpy(tmp.buf, buf_ptr, length);
+ tmp.buf[length] = '\0';
+
+ ret = asn_REAL2double(&tmp, &d);
+ if(tmp.buf != scratch) FREEMEM(tmp.buf);
+ if(ret) {
+ rval.code = RC_FAIL;
+ rval.consumed = 0;
+ return rval;
+ }
+
+ if(NativeReal__set(td, sptr, d) < 0)
+ ASN__DECODE_FAILED;
+ }
+
+ rval.code = RC_OK;
+ rval.consumed += length;
+
+ ASN_DEBUG("Took %ld/%ld bytes to encode %s", (long)rval.consumed,
+ (long)length, td->name);
+
+ return rval;
+}
+
+/*
+ * Encode the NativeReal using the standard REAL type DER encoder.
+ */
+asn_enc_rval_t
+NativeReal_encode_der(const asn_TYPE_descriptor_t *td, const void *sptr,
+ int tag_mode, ber_tlv_tag_t tag,
+ asn_app_consume_bytes_f *cb, void *app_key) {
+ double d = NativeReal__get_double(td, sptr);
+ asn_enc_rval_t erval = {0,0,0};
+ REAL_t tmp;
+
+ /* Prepare a temporary clean structure */
+ memset(&tmp, 0, sizeof(tmp));
+
+ if(asn_double2REAL(&tmp, d))
+ ASN__ENCODE_FAILED;
+
+ /* Encode a fake REAL */
+ erval = der_encode_primitive(td, &tmp, tag_mode, tag, cb, app_key);
+ if(erval.encoded == -1) {
+ assert(erval.structure_ptr == &tmp);
+ erval.structure_ptr = sptr;
+ }
+
+ /* Free possibly allocated members of the temporary structure */
+ ASN_STRUCT_FREE_CONTENTS_ONLY(asn_DEF_REAL, &tmp);
+
+ return erval;
+}
+
+#ifndef ASN_DISABLE_PER_SUPPORT
+
+/*
+ * Decode REAL type using PER.
+ */
+asn_dec_rval_t
+NativeReal_decode_uper(const asn_codec_ctx_t *opt_codec_ctx,
+ const asn_TYPE_descriptor_t *td,
+ const asn_per_constraints_t *constraints, void **sptr,
+ asn_per_data_t *pd) {
+ asn_dec_rval_t rval;
+ double d;
+ REAL_t tmp;
+ void *ptmp = &tmp;
+ int ret;
+
+ (void)constraints;
+
+ memset(&tmp, 0, sizeof(tmp));
+ rval = OCTET_STRING_decode_uper(opt_codec_ctx, &asn_DEF_REAL,
+ NULL, &ptmp, pd);
+ if(rval.code != RC_OK) {
+ ASN_STRUCT_FREE_CONTENTS_ONLY(asn_DEF_REAL, &tmp);
+ return rval;
+ }
+
+ ret = asn_REAL2double(&tmp, &d);
+ ASN_STRUCT_FREE_CONTENTS_ONLY(asn_DEF_REAL, &tmp);
+ if(ret) ASN__DECODE_FAILED;
+
+ if(NativeReal__set(td, sptr, d) < 0 )
+ ASN__DECODE_FAILED;
+
+ return rval;
+}
+
+/*
+ * Encode the NativeReal using the OCTET STRING PER encoder.
+ */
+asn_enc_rval_t
+NativeReal_encode_uper(const asn_TYPE_descriptor_t *td,
+ const asn_per_constraints_t *constraints,
+ const void *sptr, asn_per_outp_t *po) {
+ double d = NativeReal__get_double(td, sptr);
+ asn_enc_rval_t erval = {0,0,0};
+ REAL_t tmp;
+
+ (void)constraints;
+
+ /* Prepare a temporary clean structure */
+ memset(&tmp, 0, sizeof(tmp));
+
+ if(asn_double2REAL(&tmp, d))
+ ASN__ENCODE_FAILED;
+
+ /* Encode a DER REAL */
+ erval = OCTET_STRING_encode_uper(&asn_DEF_REAL, NULL, &tmp, po);
+ if(erval.encoded == -1)
+ erval.structure_ptr = sptr;
+
+ /* Free possibly allocated members of the temporary structure */
+ ASN_STRUCT_FREE_CONTENTS_ONLY(asn_DEF_REAL, &tmp);
+
+ return erval;
+}
+
+
+asn_dec_rval_t
+NativeReal_decode_aper(const asn_codec_ctx_t *opt_codec_ctx,
+ const asn_TYPE_descriptor_t *td,
+ const asn_per_constraints_t *constraints,
+ void **dbl_ptr, asn_per_data_t *pd) {
+ double *Dbl = (double *)*dbl_ptr;
+ asn_dec_rval_t rval;
+ REAL_t tmp;
+ void *ptmp = &tmp;
+ int ret;
+
+ (void)constraints;
+
+ /*
+ * If the structure is not there, allocate it.
+ */
+ if(Dbl == NULL) {
+ *dbl_ptr = CALLOC(1, sizeof(*Dbl));
+ Dbl = (double *)*dbl_ptr;
+ if(Dbl == NULL)
+ ASN__DECODE_FAILED;
+ }
+
+ memset(&tmp, 0, sizeof(tmp));
+ rval = OCTET_STRING_decode_aper(opt_codec_ctx, td, NULL,
+ &ptmp, pd);
+ if(rval.code != RC_OK) {
+ ASN_STRUCT_FREE_CONTENTS_ONLY(asn_DEF_REAL, &tmp);
+ return rval;
+ }
+
+ ret = asn_REAL2double(&tmp, Dbl);
+ ASN_STRUCT_FREE_CONTENTS_ONLY(asn_DEF_REAL, &tmp);
+ if(ret) ASN__DECODE_FAILED;
+
+ return rval;
+}
+
+asn_enc_rval_t
+NativeReal_encode_aper(const asn_TYPE_descriptor_t *td,
+ const asn_per_constraints_t *constraints,
+ const void *sptr, asn_per_outp_t *po) {
+ double Dbl = *(const double *)sptr;
+ asn_enc_rval_t erval = {0,0,0};
+ REAL_t tmp;
+
+ (void)constraints;
+
+ /* Prepare a temporary clean structure */
+ memset(&tmp, 0, sizeof(tmp));
+
+ if(asn_double2REAL(&tmp, Dbl))
+ ASN__ENCODE_FAILED;
+
+ /* Encode a DER REAL */
+ erval = OCTET_STRING_encode_aper(td, NULL, &tmp, po);
+ if(erval.encoded == -1)
+ erval.structure_ptr = sptr;
+
+ /* Free possibly allocated members of the temporary structure */
+ ASN_STRUCT_FREE_CONTENTS_ONLY(asn_DEF_REAL, &tmp);
+
+ return erval;
+}
+
+#endif /* ASN_DISABLE_PER_SUPPORT */
+
+#ifndef ASN_DISABLE_OER_SUPPORT
+
+/*
+ * Swap bytes from/to network, if local is little-endian.
+ * Unused endianness sections are likely removed at compile phase.
+ */
+static void
+NativeReal__network_swap(size_t float_size, const void *srcp, uint8_t *dst) {
+ const uint8_t *src = srcp;
+ double test = -0.0;
+ int float_big_endian = *(const char *)&test != 0;
+ /* In lieu of static_assert(sizeof(double) == 8) */
+ static const char sizeof_double_is_8_a[sizeof(double)-7] CC_NOTUSED;
+ static const char sizeof_double_is_8_b[9-sizeof(double)] CC_NOTUSED;
+ /* In lieu of static_assert(sizeof(sizeof) == 4) */
+ static const char sizeof_float_is_4_a[sizeof(float)-3] CC_NOTUSED;
+ static const char sizeof_float_is_4_b[5-sizeof(float)] CC_NOTUSED;
+
+ switch(float_size) {
+ case sizeof(double):
+ assert(sizeof(double) == 8);
+ if(float_big_endian) {
+ dst[0] = src[0];
+ dst[1] = src[1];
+ dst[2] = src[2];
+ dst[3] = src[3];
+ dst[4] = src[4];
+ dst[5] = src[5];
+ dst[6] = src[6];
+ dst[7] = src[7];
+ } else {
+ dst[0] = src[7];
+ dst[1] = src[6];
+ dst[2] = src[5];
+ dst[3] = src[4];
+ dst[4] = src[3];
+ dst[5] = src[2];
+ dst[6] = src[1];
+ dst[7] = src[0];
+ }
+ return;
+ case sizeof(float):
+ assert(sizeof(float) == 4);
+ if(float_big_endian) {
+ dst[0] = src[0];
+ dst[1] = src[1];
+ dst[2] = src[2];
+ dst[3] = src[3];
+ } else {
+ dst[0] = src[3];
+ dst[1] = src[2];
+ dst[2] = src[1];
+ dst[3] = src[0];
+ }
+ return;
+ }
+}
+
+/*
+ * Encode as Canonical OER.
+ */
+asn_enc_rval_t
+NativeReal_encode_oer(const asn_TYPE_descriptor_t *td,
+ const asn_oer_constraints_t *constraints,
+ const void *sptr, asn_app_consume_bytes_f *cb,
+ void *app_key) {
+ asn_enc_rval_t er = {0, 0, 0};
+
+ if(!constraints) constraints = td->encoding_constraints.oer_constraints;
+ if(constraints && constraints->value.width != 0) {
+ /* X.696 IEEE 754 binary32 and binary64 encoding */
+ uint8_t scratch[sizeof(double)];
+ const asn_NativeReal_specifics_t *specs =
+ (const asn_NativeReal_specifics_t *)td->specifics;
+ size_t wire_size = constraints->value.width;
+
+ if(specs ? (wire_size == specs->float_size)
+ : (wire_size == sizeof(double))) {
+ /*
+ * Our representation matches the wire, modulo endianness.
+ * That was the whole point of compact encoding!
+ */
+ } else {
+ assert((wire_size == sizeof(double))
+ || (specs && specs->float_size == wire_size));
+ ASN__ENCODE_FAILED;
+ }
+
+ /*
+ * The X.696 standard doesn't specify endianness, neither is IEEE 754.
+ * So we assume the network format is big endian.
+ */
+ NativeReal__network_swap(wire_size, sptr, scratch);
+ if(cb(scratch, wire_size, app_key) < 0) {
+ ASN__ENCODE_FAILED;
+ } else {
+ er.encoded = wire_size;
+ ASN__ENCODED_OK(er);
+ }
+ } else {
+ double d = NativeReal__get_double(td, sptr);
+ ssize_t len_len;
+ REAL_t tmp;
+
+ /* Prepare a temporary clean structure */
+ memset(&tmp, 0, sizeof(tmp));
+
+ if(asn_double2REAL(&tmp, d)) {
+ ASN__ENCODE_FAILED;
+ }
+
+ /* Encode a fake REAL */
+ len_len = oer_serialize_length(tmp.size, cb, app_key);
+ if(len_len < 0 || cb(tmp.buf, tmp.size, app_key) < 0) {
+ ASN_STRUCT_FREE_CONTENTS_ONLY(asn_DEF_REAL, &tmp);
+ ASN__ENCODE_FAILED;
+ } else {
+ er.encoded = len_len + tmp.size;
+ ASN_STRUCT_FREE_CONTENTS_ONLY(asn_DEF_REAL, &tmp);
+ ASN__ENCODED_OK(er);
+ }
+ }
+}
+
+asn_dec_rval_t
+NativeReal_decode_oer(const asn_codec_ctx_t *opt_codec_ctx,
+ const asn_TYPE_descriptor_t *td,
+ const asn_oer_constraints_t *constraints, void **sptr,
+ const void *ptr, size_t size) {
+ asn_dec_rval_t ok = {RC_OK, 0};
+ double d;
+ ssize_t len_len;
+ size_t real_body_len;
+
+ (void)opt_codec_ctx;
+
+ if(!constraints) constraints = td->encoding_constraints.oer_constraints;
+ if(constraints && constraints->value.width != 0) {
+ /* X.696 IEEE 754 binary32 and binary64 encoding */
+ uint8_t scratch[sizeof(double)];
+ size_t wire_size = constraints->value.width;
+
+ if(size < wire_size)
+ ASN__DECODE_STARVED;
+
+ /*
+ * The X.696 standard doesn't specify endianness, neither is IEEE 754.
+ * So we assume the network format is big endian.
+ */
+ NativeReal__network_swap(wire_size, ptr, scratch);
+
+
+ switch(wire_size) {
+ case sizeof(double):
+ {
+ double tmp;
+ memcpy(&tmp, scratch, sizeof(double));
+ if(NativeReal__set(td, sptr, tmp) < 0)
+ ASN__DECODE_FAILED;
+ }
+ break;
+ case sizeof(float):
+ {
+ float tmp;
+ memcpy(&tmp, scratch, sizeof(float));
+ if(NativeReal__set(td, sptr, tmp) < 0)
+ ASN__DECODE_FAILED;
+ }
+ break;
+ default:
+ ASN__DECODE_FAILED;
+ }
+
+ ok.consumed = wire_size;
+ return ok;
+ }
+
+ len_len = oer_fetch_length(ptr, size, &real_body_len);
+ if(len_len < 0) ASN__DECODE_FAILED;
+ if(len_len == 0) ASN__DECODE_STARVED;
+
+ ptr = (const char *)ptr + len_len;
+ size -= len_len;
+
+ if(real_body_len > size) ASN__DECODE_STARVED;
+
+ {
+ uint8_t scratch[24]; /* Longer than %.16f in decimal */
+ REAL_t tmp;
+ int ret;
+
+ if(real_body_len < sizeof(scratch)) {
+ tmp.buf = scratch;
+ tmp.size = real_body_len;
+ } else {
+ /* This rarely happens: impractically long value */
+ tmp.buf = CALLOC(1, real_body_len + 1);
+ tmp.size = real_body_len;
+ if(!tmp.buf) {
+ ASN__DECODE_FAILED;
+ }
+ }
+
+ memcpy(tmp.buf, ptr, real_body_len);
+ tmp.buf[real_body_len] = '\0';
+
+ ret = asn_REAL2double(&tmp, &d);
+ if(tmp.buf != scratch) FREEMEM(tmp.buf);
+ if(ret) {
+ ASN_DEBUG("REAL decoded in %" ASN_PRI_SIZE " bytes, but can't convert t double",
+ real_body_len);
+ ASN__DECODE_FAILED;
+ }
+ }
+
+ if(NativeReal__set(td, sptr, d) < 0)
+ ASN__DECODE_FAILED;
+
+ ok.consumed = len_len + real_body_len;
+ return ok;
+}
+
+#endif /* ASN_DISABLE_OER_SUPPORT */
+
+/*
+ * Decode the chunk of XML text encoding REAL.
+ */
+asn_dec_rval_t
+NativeReal_decode_xer(const asn_codec_ctx_t *opt_codec_ctx,
+ const asn_TYPE_descriptor_t *td, void **sptr,
+ const char *opt_mname, const void *buf_ptr, size_t size) {
+ asn_dec_rval_t rval;
+ REAL_t st = { 0, 0 };
+ REAL_t *stp = &st;
+
+ rval = REAL_decode_xer(opt_codec_ctx, td, (void **)&stp, opt_mname,
+ buf_ptr, size);
+ if(rval.code == RC_OK) {
+ double d;
+ if(asn_REAL2double(&st, &d) || NativeReal__set(td, sptr, d) < 0) {
+ rval.code = RC_FAIL;
+ rval.consumed = 0;
+ }
+ } else {
+ /* Convert all errors into RC_FAIL */
+ rval.consumed = 0;
+ }
+ ASN_STRUCT_FREE_CONTENTS_ONLY(asn_DEF_REAL, &st);
+ return rval;
+}
+
+asn_enc_rval_t
+NativeReal_encode_xer(const asn_TYPE_descriptor_t *td, const void *sptr,
+ int ilevel, enum xer_encoder_flags_e flags,
+ asn_app_consume_bytes_f *cb, void *app_key) {
+ double d = NativeReal__get_double(td, sptr);
+ asn_enc_rval_t er = {0,0,0};
+
+ (void)ilevel;
+
+ er.encoded = REAL__dump(d, flags & XER_F_CANONICAL, cb, app_key);
+ if(er.encoded < 0) ASN__ENCODE_FAILED;
+
+ ASN__ENCODED_OK(er);
+}
+
+/*
+ * REAL specific human-readable output.
+ */
+int
+NativeReal_print(const asn_TYPE_descriptor_t *td, const void *sptr, int ilevel,
+ asn_app_consume_bytes_f *cb, void *app_key) {
+ (void)ilevel; /* Unused argument */
+
+ if(sptr) {
+ double d = NativeReal__get_double(td, sptr);
+ return (REAL__dump(d, 0, cb, app_key) < 0) ? -1 : 0;
+ } else {
+ return (cb("<absent>", 8, app_key) < 0) ? -1 : 0;
+ }
+}
+
+int
+NativeReal_compare(const asn_TYPE_descriptor_t *td, const void *aptr,
+ const void *bptr) {
+
+ if(aptr && bptr) {
+ double a = NativeReal__get_double(td, aptr);
+ double b = NativeReal__get_double(td, bptr);
+
+ /* NaN sorted above everything else */
+ if(asn_isnan(a)) {
+ if(asn_isnan(b)) {
+ return 0;
+ } else {
+ return -1;
+ }
+ } else if(asn_isnan(b)) {
+ return 1;
+ }
+ /* Value comparison. */
+ if(a < b) {
+ return -1;
+ } else if(a > b) {
+ return 1;
+ } else {
+ return 0;
+ }
+ } else if(!aptr) {
+ return -1;
+ } else {
+ return 1;
+ }
+}
+
+void
+NativeReal_free(const asn_TYPE_descriptor_t *td, void *ptr,
+ enum asn_struct_free_method method) {
+ if(!td || !ptr)
+ return;
+
+ ASN_DEBUG("Freeing %s as REAL (%d, %p, Native)",
+ td->name, method, ptr);
+
+ switch(method) {
+ case ASFM_FREE_EVERYTHING:
+ FREEMEM(ptr);
+ break;
+ case ASFM_FREE_UNDERLYING:
+ break;
+ case ASFM_FREE_UNDERLYING_AND_RESET: {
+ const asn_NativeReal_specifics_t *specs;
+ size_t float_size;
+ specs = (const asn_NativeReal_specifics_t *)td->specifics;
+ float_size = specs ? specs->float_size : sizeof(double);
+ memset(ptr, 0, float_size);
+ } break;
+ }
+}
+
+asn_random_fill_result_t
+NativeReal_random_fill(const asn_TYPE_descriptor_t *td, void **sptr,
+ const asn_encoding_constraints_t *constraints,
+ size_t max_length) {
+ asn_random_fill_result_t result_ok = {ARFILL_OK, 0};
+ asn_random_fill_result_t result_failed = {ARFILL_FAILED, 0};
+ asn_random_fill_result_t result_skipped = {ARFILL_SKIPPED, 0};
+#ifndef INFINITY
+#define INFINITY (1.0/0.0)
+#endif
+#ifndef NAN
+#define NAN (0.0/0.0)
+#endif
+ static const double double_values[] = {
+ -M_E, M_E, -M_PI, M_PI, /* Better precision than with floats */
+ -1E+308, 1E+308,
+ /* 2^51 */
+ -2251799813685248.0, 2251799813685248.0,
+ /* 2^52 */
+ -4503599627370496.0, 4503599627370496.0,
+ /* 2^100 */
+ -1267650600228229401496703205376.0, 1267650600228229401496703205376.0,
+ -DBL_MIN, DBL_MIN,
+ -DBL_MAX, DBL_MAX,
+#ifdef DBL_TRUE_MIN
+ -DBL_TRUE_MIN, DBL_TRUE_MIN
+#endif
+ };
+ static const float float_values[] = {
+ 0, -0.0, -1, 1, -M_E, M_E, -3.14, 3.14, -M_PI, M_PI, -255, 255,
+ -FLT_MIN, FLT_MIN,
+ -FLT_MAX, FLT_MAX,
+#ifdef FLT_TRUE_MIN
+ -FLT_TRUE_MIN, FLT_TRUE_MIN,
+#endif
+ INFINITY, -INFINITY, NAN
+ };
+ ssize_t float_set_size = NativeReal__float_size(td);
+ const size_t n_doubles = sizeof(double_values) / sizeof(double_values[0]);
+ const size_t n_floats = sizeof(float_values) / sizeof(float_values[0]);
+ double d;
+
+ (void)constraints;
+
+ if(max_length == 0) return result_skipped;
+
+ if(float_set_size == sizeof(double) && asn_random_between(0, 1) == 0) {
+ d = double_values[asn_random_between(0, n_doubles - 1)];
+ } else {
+ d = float_values[asn_random_between(0, n_floats - 1)];
+ }
+
+ if(NativeReal__set(td, sptr, d) < 0) {
+ return result_failed;
+ }
+
+ result_ok.length = float_set_size;
+ return result_ok;
+}
+
+
+/*
+ * Local helper functions.
+ */
+
+static size_t
+NativeReal__float_size(const asn_TYPE_descriptor_t *td) {
+ const asn_NativeReal_specifics_t *specs =
+ (const asn_NativeReal_specifics_t *)td->specifics;
+ return specs ? specs->float_size : sizeof(double);
+}
+
+static double
+NativeReal__get_double(const asn_TYPE_descriptor_t *td, const void *ptr) {
+ size_t float_size = NativeReal__float_size(td);
+ if(float_size == sizeof(float)) {
+ return *(const float *)ptr;
+ } else {
+ return *(const double *)ptr;
+ }
+}
+
+static ssize_t /* Returns -1 or float size. */
+NativeReal__set(const asn_TYPE_descriptor_t *td, void **sptr, double d) {
+ size_t float_size = NativeReal__float_size(td);
+ void *native;
+
+ if(!(native = *sptr)) {
+ native = (*sptr = CALLOC(1, float_size));
+ if(!native) {
+ return -1;
+ }
+ }
+
+ if(float_size == sizeof(float)) {
+ if(asn_double2float(d, (float *)native)) {
+ return -1;
+ }
+ } else {
+ *(double *)native = d;
+ }
+
+ return float_size;
+}
+