mirror of https://gerrit.osmocom.org/asn1c
701 lines
25 KiB
C
701 lines
25 KiB
C
#include <stdio.h>
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#include <assert.h>
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#include <math.h>
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#include <float.h>
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/* C11 specifies DBL_TRUE_MIN, might not be immediately available. */
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#ifndef DBL_TRUE_MIN
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#define DBL_TRUE_MIN 4.9406564584124654E-324
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#endif
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#include <REAL.h>
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static char reconstructed[2][512];
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static int reconstr_lens[2];
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static int
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callback(const void *buffer, size_t size, void *app_key) {
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char *buf = reconstructed[app_key ? 1 : 0];
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int *len = &reconstr_lens[app_key ? 1 : 0];
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if(*len + size >= sizeof(reconstructed[0]))
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return -1;
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memcpy(buf + *len, buffer, size);
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*len += size;
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return 0;
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}
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static char *
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d2s(double d, int canonical) {
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ssize_t s;
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reconstr_lens[canonical] = 0;
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s = REAL__dump(d, canonical, callback, (void *)(ptrdiff_t)canonical);
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assert(s > 0 && (size_t)s < sizeof(reconstructed[canonical]));
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assert(s == reconstr_lens[canonical]);
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reconstructed[canonical][s] = '\0'; // ASCIIZ
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return reconstructed[canonical];
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}
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/*
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* Verify that a string representation of a given floating point value
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* is as given in the (sample) and (canonical_sample) arguments.
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*/
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static void
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check_str_representation(double d, const char *sample, const char *canonical_sample, int lineno) {
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char *s0, *s1;
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s0 = d2s(d, 0);
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s1 = d2s(d, 1);
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if(sample) {
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printf("%03d: Checking %g->[\"%s\"] against [\"%s\"]%s\n",
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lineno, d, s0, sample,
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canonical_sample ? " (canonical follows...)" : ""
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);
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assert(!strcmp(s0, sample));
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}
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if(canonical_sample) {
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printf("%03d: Checking %g->[\"%s\"] against [\"%s\"] (canonical)\n",
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lineno, d, s1, canonical_sample);
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assert(!strcmp(s1, canonical_sample));
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}
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}
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#define check(rn, d, str1, str2) \
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check_impl(rn, d, str1, str2, __LINE__)
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static void
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check_impl(REAL_t *rn, double orig_dbl, const char *sample, const char *canonical_sample, int lineno) {
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double val;
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uint8_t *p, *end;
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int ret;
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printf("Line %d: double value %.12f [", lineno, orig_dbl);
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for(p = (uint8_t *)&orig_dbl, end = p + sizeof(double); p < end ; p++)
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printf("%02x", *p);
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printf("] (ilogb %d)\n", ilogb(orig_dbl));
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val = frexp(orig_dbl, &ret);
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printf("frexp(%f, %d): [", val, ret);
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for(p = (uint8_t *)&val, end = p + sizeof(double); p < end ; p++)
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printf("%02x", *p);
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printf("]\n");
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ret = asn_double2REAL(rn, orig_dbl);
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assert(ret == 0);
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printf("converted into [");
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for(p = rn->buf, end = p + rn->size; p < end; p++)
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printf("%02x", *p);
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printf("]: %d\n", rn->size);
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ret = asn_REAL2double(rn, &val);
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assert(ret == 0);
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printf("and back to double: [");
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for(p = (uint8_t *)&val, end = p + sizeof(double); p < end ; p++)
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printf("%02x", *p);
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printf("] (ilogb %d)\n", ilogb(val));
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printf("%.12f vs %.12f\n", val, orig_dbl);
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assert((isnan(orig_dbl) && isnan(val)) || val == orig_dbl);
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printf("OK\n");
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check_str_representation(val, sample, canonical_sample, lineno);
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}
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static void
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check_xer(int fuzzy, double orig_value) {
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asn_enc_rval_t er;
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asn_dec_rval_t rc;
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REAL_t st;
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REAL_t *newst0 = 0;
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REAL_t *newst1 = 0;
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REAL_t **newst0p = &newst0;
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REAL_t **newst1p = &newst1;
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double value0, value1;
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int ret;
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memset(&st, 0, sizeof(st));
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ret = asn_double2REAL(&st, orig_value);
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assert(ret == 0);
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reconstr_lens[0] = 0;
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reconstr_lens[1] = 0;
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er = xer_encode(&asn_DEF_REAL, &st,
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XER_F_BASIC, callback, 0);
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assert(er.encoded == reconstr_lens[0]);
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er = xer_encode(&asn_DEF_REAL, &st,
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XER_F_CANONICAL, callback, (void *)1);
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assert(er.encoded == reconstr_lens[1]);
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reconstructed[0][reconstr_lens[0]] = 0;
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reconstructed[1][reconstr_lens[1]] = 0;
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printf("%f vs (%d)[%s] & (%d)%s",
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orig_value,
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reconstr_lens[1], reconstructed[1],
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reconstr_lens[0], reconstructed[0]
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);
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rc = xer_decode(0, &asn_DEF_REAL, (void **)newst0p,
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reconstructed[0], reconstr_lens[0]);
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assert(rc.code == RC_OK);
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assert(reconstr_lens[0] > 0 && rc.consumed < (size_t)reconstr_lens[0]);
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rc = xer_decode(0, &asn_DEF_REAL, (void **)newst1p,
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reconstructed[1], reconstr_lens[1]);
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assert(rc.code == RC_OK);
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assert(rc.consumed == (size_t)reconstr_lens[1]);
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ret = asn_REAL2double(newst0, &value0);
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assert(ret == 0);
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ret = asn_REAL2double(newst1, &value1);
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assert(ret == 0);
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assert((isnan(value0) && isnan(orig_value))
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|| value0 == orig_value
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|| fuzzy);
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assert((isnan(value1) && isnan(orig_value))
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|| value1 == orig_value);
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assert(newst0->size == st.size || fuzzy);
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assert(newst1->size == st.size);
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assert(fuzzy || memcmp(newst0->buf, st.buf, st.size) == 0);
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assert(memcmp(newst1->buf, st.buf, st.size) == 0);
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}
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static void
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check_ber_buffer_twoway(double d, const char *sample, const char *canonical_sample, uint8_t *inbuf, size_t insize, uint8_t *outbuf, size_t outsize, int lineno) {
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REAL_t rn;
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double val;
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int ret;
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/*
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* Decode our expected buffer and check that it matches the given (d).
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*/
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rn.buf = inbuf;
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rn.size = insize;
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asn_REAL2double(&rn, &val);
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if(isnan(val)) assert(isnan(d));
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if(isnan(d)) assert(isnan(val));
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if(!isnan(val) && !isnan(d)) {
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assert(copysign(1.0, d) == copysign(1.0, val));
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assert(d == val);
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}
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/*
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* Encode value and check that it matches our expected buffer.
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*/
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memset(&rn, 0, sizeof(rn));
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ret = asn_double2REAL(&rn, d);
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assert(ret == 0);
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if((size_t)rn.size != outsize) {
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printf("Encoded %f into %d expected %ld\n",
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d, (int)rn.size, outsize);
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assert((size_t)rn.size == outsize);
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}
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assert(memcmp(rn.buf, outbuf, rn.size) == 0);
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check_str_representation(d, sample, canonical_sample, lineno);
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}
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static void
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check_ber_buffer_oneway(double d, const char *sample, const char *canonical_sample, uint8_t *buf, size_t bufsize, int lineno) {
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REAL_t rn;
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double val;
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uint8_t *p, *end;
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int ret;
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memset(&rn, 0, sizeof(rn));
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printf("verify double value %.12f [", d);
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for(p = (uint8_t *)&d, end = p + sizeof(double); p < end ; p++)
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printf("%02x", *p);
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printf("] (ilogb %d)\n", ilogb(d));
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ret = asn_double2REAL(&rn, d);
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assert(ret == 0);
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printf("canonical DER: [");
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for(p = rn.buf, end = p + rn.size; p < end; p++)
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printf("%02x", *p);
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printf("]\n");
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rn.buf = buf;
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rn.size = bufsize;
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printf("received as: [");
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for(p = rn.buf, end = p + rn.size; p < end; p++)
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printf("%02x", *p);
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printf("]\n");
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ret = asn_REAL2double(&rn, &val);
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assert(ret == 0);
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printf("%.12f vs %.12f\n", d, val);
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assert(val == d);
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check_str_representation(val, sample, canonical_sample, lineno);
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}
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/*
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* 8.5.7 Verify binary encoding, two-way.
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*/
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static void
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check_ber_857_encoding(int base, int sign, int scaling_factor, int exponent, int mantissa) {
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uint8_t buf[100];
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uint8_t *b = buf;
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int explen, mantlen;
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REAL_t rn;
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static REAL_t rn_check;
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double d;
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double verify;
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int baseF = 0;
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int ret;
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#define BIT(b) (1<<(b - 1))
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switch(base) {
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case 0: baseF = 1; break;
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case 1: baseF = 3; break;
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case 2: baseF = 4; break;
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default: assert(base >= 0 && base <= 2);
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}
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if(exponent >= -128 && exponent <= 127) {
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explen = 1;
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} else {
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assert(exponent > -60000 && exponent < 60000);
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explen = 2;
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}
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if(mantissa == 0) {
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mantlen = 0;
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} else if(mantissa >= 0 && mantissa <= 255) {
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mantlen = 1;
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} else if(mantissa >= 0 && mantissa <= 65535) {
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mantlen = 2;
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} else {
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assert(mantissa >= 0 && mantissa <= 256 * 65536);
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mantlen = 3;
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}
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*b = BIT(8) | (sign ? BIT(7) : 0);
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*b |= (base & 0x03) << 4; /* 8.5.7.2 */
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*b |= (scaling_factor & 0x03) << 2; /* 8.5.7.3 */
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*b |= ((explen - 1) & 0x03); /* 8.5.7.4 */
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b++;
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switch(explen) {
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case 2: *b++ = (int8_t)(exponent >> 8);
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case 1: *b++ = (int8_t)exponent;
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}
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switch(mantlen) {
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case 3: *b++ = (mantissa >> 16) & 0xff;
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case 2: *b++ = (mantissa >> 8) & 0xff;
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case 1: *b++ = (mantissa & 0xff);
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}
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verify = (sign ? -1.0 : 1.0) * ldexp(mantissa, exponent * baseF + scaling_factor);
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/* Verify than encoding of this double value round-trips */
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if(!isinf(verify)) {
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d = verify;
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verify = 0.0;
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ret = asn_double2REAL(&rn_check, d);
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assert(ret == 0);
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ret = asn_REAL2double(&rn_check, &verify);
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assert(ret == 0);
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assert(d == verify);
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/* Verify with a slight non-friendly offset. Not too easy. */
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d = verify - 0.13;
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verify = 0.0;
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ret = asn_double2REAL(&rn_check, d);
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assert(ret == 0);
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ret = asn_REAL2double(&rn_check, &verify);
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assert(ret == 0);
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assert(ret == 0);
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assert(d == verify);
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}
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verify = (sign ? -1.0 : 1.0) * ldexp(mantissa, exponent * baseF + scaling_factor);
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rn.buf = buf;
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rn.size = b - buf;
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ret = asn_REAL2double(&rn, &d);
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if(!isinf(verify) && (ret != 0 || d != verify)) {
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printf("Converting B=%d, S=%d, F=%d, E=%d/%d, M=%d/%d\n", (1 << baseF), sign, scaling_factor, exponent, explen, mantissa, mantlen);
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printf("Verify: %e\n", verify);
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uint8_t *p;
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printf("received as: [");
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for(p = buf; p < b; p++) printf("%02x", *p);
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printf("]\n");
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assert(ret == 0);
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printf("Converted: %e\n", d);
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assert(d == verify);
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}
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}
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static void
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check_ber_encoding() {
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static const double zero = 0.0;
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#define CHECK_BER_STRICT(v, nocan, can, inbuf, outbuf) \
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check_ber_buffer_twoway(v, nocan, can, inbuf, sizeof(inbuf), \
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outbuf, sizeof(outbuf), __LINE__)
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#define CHECK_BER_NONSTRICT(v, nocan, can, buf) \
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check_ber_buffer_oneway(v, nocan, can, buf, sizeof(buf), __LINE__)
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/*
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* X.690 8.4 Encoding of an enumerated value.
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*/
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/* 8.5.2 If the real value is the value plus zero,
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* there shall be no contents octet in the encoding */
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{ uint8_t b_0[] = {};
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CHECK_BER_STRICT(0.0, "0", "0", b_0, b_0); }
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/* 8.5.3 When -0 is to be encoded, there shall be only one contents octet */
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{ uint8_t b_m0[] = { 0x43 };
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CHECK_BER_STRICT(-0.0, "-0", "-0", b_m0, b_m0); }
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/* Old way of encoding -0.0: 8.5.6 a) */
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{ uint8_t b_m0[] = { 0x43 };
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uint8_t b_m0_856a[] = { 0xC0, 0x00 }; /* #8.5.6 a) */
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uint8_t b_m0_856a_1[] = { 0xC0, 0x00, 0x00 };
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uint8_t b_m0_856a_2[] = { 0xC0, 0x00, 0x00, 0x00 };
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uint8_t b_m0_856a_3[] = { 0xC0, 0x00, 0x00, 0x00, 0x00 };
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CHECK_BER_STRICT(-0.0, "-0", "-0", b_m0_856a, b_m0);
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CHECK_BER_STRICT(-0.0, "-0", "-0", b_m0_856a_1, b_m0);
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CHECK_BER_STRICT(-0.0, "-0", "-0", b_m0_856a_2, b_m0);
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CHECK_BER_STRICT(-0.0, "-0", "-0", b_m0_856a_3, b_m0); }
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/* 8.5.6 c) => 8.5.9 SpecialRealValue */
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{ uint8_t b_pinf[] = { 0x40 };
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uint8_t b_minf[] = { 0x41 };
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uint8_t b_nan[] = { 0x42 };
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CHECK_BER_STRICT(1.0/zero, "<PLUS-INFINITY/>", "<PLUS-INFINITY/>", b_pinf, b_pinf);
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CHECK_BER_STRICT(-1.0/zero, "<MINUS-INFINITY/>", "<MINUS-INFINITY/>", b_minf, b_minf);
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CHECK_BER_STRICT(zero/zero, "<NOT-A-NUMBER/>", "<NOT-A-NUMBER/>", b_nan, b_nan); }
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/* 8.5.6 b) => 8.5.8 Decimal encoding is used; NR1 form */
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{ uint8_t b_0_nr1[] = { 0x01, '0' };
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uint8_t b_0[] = { };
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CHECK_BER_STRICT(0.0, "0", "0", b_0_nr1, b_0); }
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{ uint8_t b_0_nr1[] = { 0x01, '0', '0' };
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uint8_t b_0[] = { };
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CHECK_BER_STRICT(0.0, "0", "0", b_0_nr1, b_0); }
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{ uint8_t b_0_nr1[] = { 0x01, ' ', '0' };
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uint8_t b_0[] = { };
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CHECK_BER_STRICT(0.0, "0", "0", b_0_nr1, b_0); }
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{ uint8_t b_p0_nr1[] = { 0x01, '+', '0' };
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uint8_t b_0[] = { };
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CHECK_BER_STRICT(0.0, "0", "0", b_p0_nr1, b_0); }
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{ uint8_t b_p0_nr1[] = { 0x01, ' ', '+', '0' };
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uint8_t b_0[] = { };
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CHECK_BER_STRICT(0.0, "0", "0", b_p0_nr1, b_0); }
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{ uint8_t b_m0_nr1[] = { 0x01, '-', '0' };
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uint8_t b_m0[] = { 0x43 };
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CHECK_BER_STRICT(-0.0, "-0", "-0", b_m0_nr1, b_m0); }
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{ uint8_t b_m0_nr1[] = { 0x01, ' ', '-', '0' };
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uint8_t b_m0[] = { 0x43 };
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CHECK_BER_STRICT(-0.0, "-0", "-0", b_m0_nr1, b_m0); }
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{ uint8_t b_1_nr1[] = { 0x01, '1' };
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uint8_t b_1[] = { 0x80, 0x00, 0x01 };
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CHECK_BER_STRICT(1.0, "1.0", "1.0E0", b_1_nr1, b_1); }
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{ uint8_t b_1_nr1[] = { 0x01, '0', '1' };
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uint8_t b_1[] = { 0x80, 0x00, 0x01 };
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CHECK_BER_STRICT(1.0, "1.0", "1.0E0", b_1_nr1, b_1); }
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{ uint8_t b_1_nr1[] = { 0x01, ' ', '1' };
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uint8_t b_1[] = { 0x80, 0x00, 0x01 };
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CHECK_BER_STRICT(1.0, "1.0", "1.0E0", b_1_nr1, b_1); }
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{ uint8_t b_p1_nr1[] = { 0x01, '+', '1' };
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uint8_t b_1[] = { 0x80, 0x00, 0x01 };
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CHECK_BER_STRICT(1.0, "1.0", "1.0E0", b_p1_nr1, b_1); }
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{ uint8_t b_p1_nr1[] = { 0x01, ' ', '+', '1' };
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uint8_t b_1[] = { 0x80, 0x00, 0x01 };
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CHECK_BER_STRICT(1.0, "1.0", "1.0E0", b_p1_nr1, b_1); }
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{ uint8_t b_m1_nr1[] = { 0x01, '-', '1' };
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uint8_t b_m1[] = { 0xC0, 0x00, 0x01 };
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CHECK_BER_STRICT(-1.0, "-1.0", "-1.0E0", b_m1_nr1, b_m1); }
|
|
{ uint8_t b_m1_nr1[] = { 0x01, ' ', '-', '1' };
|
|
uint8_t b_m1[] = { 0xC0, 0x00, 0x01 };
|
|
CHECK_BER_STRICT(-1.0, "-1.0", "-1.0E0", b_m1_nr1, b_m1); }
|
|
|
|
{
|
|
uint8_t comma_symbol[] = { '.', ',' };
|
|
int csi;
|
|
for(csi = 0; csi < 2; csi++) {
|
|
uint8_t CS = comma_symbol[csi];
|
|
|
|
/* 8.5.6 b) => 8.5.8 Decimal encoding is used; NR2 form */
|
|
{ uint8_t b_0_nr2[] = { 0x02, '0', CS, '0' };
|
|
uint8_t b_0[] = { };
|
|
CHECK_BER_STRICT(0.0, "0", "0", b_0_nr2, b_0); }
|
|
{ uint8_t b_0_nr2[] = { 0x02, '0', '0', CS, '0' };
|
|
uint8_t b_0[] = { };
|
|
CHECK_BER_STRICT(0.0, "0", "0", b_0_nr2, b_0); }
|
|
{ uint8_t b_0_nr2[] = { 0x02, ' ', '0', CS, '0' };
|
|
uint8_t b_0[] = { };
|
|
CHECK_BER_STRICT(0.0, "0", "0", b_0_nr2, b_0); }
|
|
{ uint8_t b_p0_nr2[] = { 0x02, '+', '0', CS, '0' };
|
|
uint8_t b_0[] = { };
|
|
CHECK_BER_STRICT(0.0, "0", "0", b_p0_nr2, b_0); }
|
|
{ uint8_t b_p0_nr2[] = { 0x02, ' ', '+', '0', CS, '0' };
|
|
uint8_t b_0[] = { };
|
|
CHECK_BER_STRICT(0.0, "0", "0", b_p0_nr2, b_0); }
|
|
{ uint8_t b_m0_nr2[] = { 0x02, '-', '0', CS, '0' };
|
|
uint8_t b_m0[] = { 0x43 };
|
|
CHECK_BER_STRICT(-0.0, "-0", "-0", b_m0_nr2, b_m0); }
|
|
{ uint8_t b_m0_nr2[] = { 0x02, ' ', '-', '0', CS, '0' };
|
|
uint8_t b_m0[] = { 0x43 };
|
|
CHECK_BER_STRICT(-0.0, "-0", "-0", b_m0_nr2, b_m0); }
|
|
|
|
/* 8.5.6 b) => 8.5.8 NR2 "1." */
|
|
{ uint8_t b_1_nr2[] = { 0x02, '1', CS };
|
|
uint8_t b_1[] = { 0x80, 0x00, 0x01 };
|
|
CHECK_BER_STRICT(1.0, "1.0", "1.0E0", b_1_nr2, b_1); }
|
|
{ uint8_t b_1_nr2[] = { 0x02, '0', '1', CS };
|
|
uint8_t b_1[] = { 0x80, 0x00, 0x01 };
|
|
CHECK_BER_STRICT(1.0, "1.0", "1.0E0", b_1_nr2, b_1); }
|
|
{ uint8_t b_1_nr2[] = { 0x02, ' ', '1', CS };
|
|
uint8_t b_1[] = { 0x80, 0x00, 0x01 };
|
|
CHECK_BER_STRICT(1.0, "1.0", "1.0E0", b_1_nr2, b_1); }
|
|
{ uint8_t b_p1_nr2[] = { 0x02, '+', '1', CS };
|
|
uint8_t b_1[] = { 0x80, 0x00, 0x01 };
|
|
CHECK_BER_STRICT(1.0, "1.0", "1.0E0", b_p1_nr2, b_1); }
|
|
{ uint8_t b_p1_nr2[] = { 0x02, ' ', '+', '1', CS };
|
|
uint8_t b_1[] = { 0x80, 0x00, 0x01 };
|
|
CHECK_BER_STRICT(1.0, "1.0", "1.0E0", b_p1_nr2, b_1); }
|
|
{ uint8_t b_m1_nr2[] = { 0x02, '-', '1', CS };
|
|
uint8_t b_m1[] = { 0xC0, 0x00, 0x01 };
|
|
CHECK_BER_STRICT(-1.0, "-1.0", "-1.0E0", b_m1_nr2, b_m1); }
|
|
{ uint8_t b_m1_nr2[] = { 0x02, ' ', '-', '1', CS };
|
|
uint8_t b_m1[] = { 0xC0, 0x00, 0x01 };
|
|
CHECK_BER_STRICT(-1.0, "-1.0", "-1.0E0", b_m1_nr2, b_m1); }
|
|
|
|
/* 8.5.6 b) => 8.5.8 NR2 ".5" */
|
|
{ uint8_t b_05_nr2[] = { 0x02, CS, '5' };
|
|
uint8_t b_05[] = { 0x80, 0xff, 0x01 };
|
|
CHECK_BER_STRICT(0.5, "0.5", "5.0E-1", b_05_nr2, b_05); }
|
|
{ uint8_t b_05_nr2[] = { 0x02, '0', CS, '5' };
|
|
uint8_t b_05[] = { 0x80, 0xff, 0x01 };
|
|
CHECK_BER_STRICT(0.5, "0.5", "5.0E-1", b_05_nr2, b_05); }
|
|
{ uint8_t b_05_nr2[] = { 0x02, ' ', CS, '5' };
|
|
uint8_t b_05[] = { 0x80, 0xff, 0x01 };
|
|
CHECK_BER_STRICT(0.5, "0.5", "5.0E-1", b_05_nr2, b_05); }
|
|
{ uint8_t b_p1_nr2[] = { 0x02, '+', CS, '5' };
|
|
uint8_t b_05[] = { 0x80, 0xff, 0x01 };
|
|
CHECK_BER_STRICT(0.5, "0.5", "5.0E-1", b_p1_nr2, b_05); }
|
|
{ uint8_t b_p1_nr2[] = { 0x02, ' ', '+', CS, '5' };
|
|
uint8_t b_05[] = { 0x80, 0xff, 0x01 };
|
|
CHECK_BER_STRICT(0.5, "0.5", "5.0E-1", b_p1_nr2, b_05); }
|
|
{ uint8_t b_m05_nr2[] = { 0x02, '-', CS, '5' };
|
|
uint8_t b_m05[] = { 0xC0, 0xff, 0x01 };
|
|
CHECK_BER_STRICT(-0.5, "-0.5", "-5.0E-1", b_m05_nr2, b_m05); }
|
|
{ uint8_t b_m05_nr2[] = { 0x02, ' ', '-', CS, '5' };
|
|
uint8_t b_m05[] = { 0xC0, 0xff, 0x01 };
|
|
CHECK_BER_STRICT(-0.5, "-0.5", "-5.0E-1", b_m05_nr2, b_m05); }
|
|
|
|
/* 8.5.6 b) => 8.5.8 Decimal encoding is used; NR3 form */
|
|
{ uint8_t b_0_nr3[] = { 0x03, '0', CS, '0', 'e', '0' };
|
|
uint8_t b_0[] = { };
|
|
CHECK_BER_STRICT(0.0, "0", "0", b_0_nr3, b_0); }
|
|
{ uint8_t b_0_nr3[] = { 0x03, '0', '0', CS, '0', 'E', '0' };
|
|
uint8_t b_0[] = { };
|
|
CHECK_BER_STRICT(0.0, "0", "0", b_0_nr3, b_0); }
|
|
{ uint8_t b_0_nr3[] = { 0x03, ' ', '0', CS, '0', 'e', '0' };
|
|
uint8_t b_0[] = { };
|
|
CHECK_BER_STRICT(0.0, "0", "0", b_0_nr3, b_0); }
|
|
{ uint8_t b_p0_nr3[] = { 0x03, '+', '0', CS, '0', 'E', '+', '0' };
|
|
uint8_t b_0[] = { };
|
|
CHECK_BER_STRICT(0.0, "0", "0", b_p0_nr3, b_0); }
|
|
{ uint8_t b_p0_nr3[] = { 0x03, ' ', '+', '0', CS, '0', 'e', '+', '0' };
|
|
uint8_t b_0[] = { };
|
|
CHECK_BER_STRICT(0.0, "0", "0", b_p0_nr3, b_0); }
|
|
{ uint8_t b_m0_nr3[] = { 0x03, '-', '0', CS, '0', 'E', '-', '0' };
|
|
uint8_t b_m0[] = { 0x43 };
|
|
CHECK_BER_STRICT(-0.0, "-0", "-0", b_m0_nr3, b_m0); }
|
|
{ uint8_t b_m0_nr3[] = { 0x03, ' ', '-', '0', CS, '0', 'e', '-', '0' };
|
|
uint8_t b_m0[] = { 0x43 };
|
|
CHECK_BER_STRICT(-0.0, "-0", "-0", b_m0_nr3, b_m0); }
|
|
|
|
/* 8.5.6 b) => 8.5.8 NR3 "5.e-1" */
|
|
{ uint8_t b_5_nr3[] = { 0x03, '5', CS, 'e', '-', '1' };
|
|
uint8_t b_5[] = { 0x80, 0xff, 0x01 };
|
|
CHECK_BER_STRICT(0.5, "0.5", "5.0E-1", b_5_nr3, b_5); }
|
|
{ uint8_t b_5_nr3[] = { 0x03, '0', '5', CS, 'E', '-', '1' };
|
|
uint8_t b_5[] = { 0x80, 0xff, 0x01 };
|
|
CHECK_BER_STRICT(0.5, "0.5", "5.0E-1", b_5_nr3, b_5); }
|
|
{ uint8_t b_5_nr3[] = { 0x03, ' ', '5', CS, 'e', '-', '1' };
|
|
uint8_t b_5[] = { 0x80, 0xff, 0x01 };
|
|
CHECK_BER_STRICT(0.5, "0.5", "5.0E-1", b_5_nr3, b_5); }
|
|
{ uint8_t b_p5_nr3[] = { 0x03, '+', '5', CS, 'E', '-', '1' };
|
|
uint8_t b_5[] = { 0x80, 0xff, 0x01 };
|
|
CHECK_BER_STRICT(0.5, "0.5", "5.0E-1", b_p5_nr3, b_5); }
|
|
{ uint8_t b_p5_nr3[] = { 0x03, ' ', '+', '5', CS, 'e', '-', '1' };
|
|
uint8_t b_5[] = { 0x80, 0xff, 0x01 };
|
|
CHECK_BER_STRICT(0.5, "0.5", "5.0E-1", b_p5_nr3, b_5); }
|
|
{ uint8_t b_m5_nr3[] = { 0x03, '-', '5', CS, 'E', '-', '1' };
|
|
uint8_t b_m5[] = { 0xC0, 0xff, 0x01 };
|
|
CHECK_BER_STRICT(-0.5, "-0.5", "-5.0E-1", b_m5_nr3, b_m5); }
|
|
{ uint8_t b_m5_nr3[] = { 0x03, ' ', '-', '5', CS, 'e', '-', '1' };
|
|
uint8_t b_m5[] = { 0xC0, 0xff, 0x01 };
|
|
CHECK_BER_STRICT(-0.5, "-0.5", "-5.0E-1", b_m5_nr3, b_m5); }
|
|
|
|
/* 8.5.6 b) => 8.5.8 NR3 ".5e1" */
|
|
{ uint8_t b_05_nr3[] = { 0x03, CS, '5', 'e', '+', '1' };
|
|
uint8_t b_05[] = { 0x80, 0x00, 0x05 };
|
|
CHECK_BER_STRICT(5.0, "5.0", "5.0E0", b_05_nr3, b_05); }
|
|
{ uint8_t b_05_nr3[] = { 0x03, '0', CS, '5', 'E', '+', '1'};
|
|
uint8_t b_05[] = { 0x80, 0x00, 0x05 };
|
|
CHECK_BER_STRICT(5.0, "5.0", "5.0E0", b_05_nr3, b_05); }
|
|
{ uint8_t b_05_nr3[] = { 0x03, ' ', CS, '5', 'e', '1'};
|
|
uint8_t b_05[] = { 0x80, 0x00, 0x05 };
|
|
CHECK_BER_STRICT(5.0, "5.0", "5.0E0", b_05_nr3, b_05); }
|
|
{ uint8_t b_p1_nr3[] = { 0x03, '+', CS, '5', 'E', '1' };
|
|
uint8_t b_05[] = { 0x80, 0x00, 0x05 };
|
|
CHECK_BER_STRICT(5.0, "5.0", "5.0E0", b_p1_nr3, b_05); }
|
|
{ uint8_t b_p1_nr3[] = { 0x03, ' ', '+', CS, '5', 'e', '+', '1' };
|
|
uint8_t b_05[] = { 0x80, 0x00, 0x05 };
|
|
CHECK_BER_STRICT(5.0, "5.0", "5.0E0", b_p1_nr3, b_05); }
|
|
{ uint8_t b_m05_nr3[] = { 0x03, '-', CS, '5', 'E', '+', '1' };
|
|
uint8_t b_m05[] = { 0xC0, 0x00, 0x05 };
|
|
CHECK_BER_STRICT(-5.0, "-5.0", "-5.0E0", b_m05_nr3, b_m05); }
|
|
{ uint8_t b_m05_nr3[] = { 0x03, ' ', '-', CS, '5', 'e', '1' };
|
|
uint8_t b_m05[] = { 0xC0, 0x00, 0x05 };
|
|
CHECK_BER_STRICT(-5.0, "-5.0", "-5.0E0", b_m05_nr3, b_m05); }
|
|
} /* for(comma symbol) */
|
|
}
|
|
|
|
/* Scan through the range of bits, construct the valid base-2 numbers, and
|
|
* try two-way conversion with them */
|
|
{
|
|
int base, sign, scaling_factor, exponent, mantissa;
|
|
for(base = 0; base <= 2; base++) {
|
|
for(sign = 0; sign <= 1; sign++) {
|
|
for(scaling_factor = 0; scaling_factor <= 3; scaling_factor++) {
|
|
for(exponent = -1000; exponent < 1000; exponent += (exponent > -990 && exponent < 990) ? 100 : 1) {
|
|
for(mantissa = 0; mantissa < 66000; mantissa += (mantissa > 300 && mantissa < 65400) ? 100 : 1) {
|
|
check_ber_857_encoding(base, sign, scaling_factor, exponent, mantissa);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
{
|
|
uint8_t b_1_0[] =
|
|
{ 0x80, 0xcc, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
|
|
uint8_t b_1_1[] =
|
|
{ 0x80, 0xcc, 0x11, 0x99, 0x99, 0x99, 0x99, 0x99, 0x9a };
|
|
uint8_t b_3_14[] =
|
|
{ 0x80, 0xcd, 0x19, 0x1e, 0xb8, 0x51, 0xeb, 0x85, 0x1f };
|
|
uint8_t b_3_14_mo1[] =
|
|
{ 0xC0, 0xc5, 0x19, 0x1e, 0xb8, 0x51, 0xeb, 0x85, 0x1f,3};
|
|
uint8_t b_3_14_mo2[] =
|
|
{ 0x80, 0xbd, 0x19, 0x1e, 0xb8, 0x51, 0xeb, 0x85, 0x1f,3,2};
|
|
|
|
CHECK_BER_NONSTRICT(1.0, "1.0", "1.0E0", b_1_0);
|
|
CHECK_BER_NONSTRICT(1.1, "1.1", "1.1E0", b_1_1);
|
|
CHECK_BER_NONSTRICT(3.14, "3.14", "3.14E0", b_3_14);
|
|
/* These two are very interesting! They check mantissa overflow! */
|
|
CHECK_BER_NONSTRICT(-3.14, "-3.14", "-3.14E0", b_3_14_mo1);
|
|
CHECK_BER_NONSTRICT(3.14, "3.14", "3.14E0", b_3_14_mo2);
|
|
}
|
|
}
|
|
|
|
int
|
|
main() {
|
|
REAL_t rn;
|
|
static const double zero = 0.0;
|
|
memset(&rn, 0, sizeof(rn));
|
|
|
|
check_ber_encoding();
|
|
|
|
check(&rn, 0.0, "0", "0");
|
|
check(&rn, -0.0, "-0", "-0"); /* minus-zero */
|
|
check(&rn, zero/zero, "<NOT-A-NUMBER/>", "<NOT-A-NUMBER/>");
|
|
check(&rn, 1.0/zero, "<PLUS-INFINITY/>", "<PLUS-INFINITY/>");
|
|
check(&rn, -1.0/zero, "<MINUS-INFINITY/>", "<MINUS-INFINITY/>");
|
|
check(&rn, 1.0, "1.0", "1.0E0");
|
|
check(&rn, -1.0, "-1.0", "-1.0E0");
|
|
check(&rn, 0.1, "0.1", "1.0E-1");
|
|
check(&rn, 0.01, "0.01", "1.0E-2");
|
|
check(&rn, 0.02, "0.02", "2.0E-2");
|
|
check(&rn, 0.09, "0.09", "9.0E-2");
|
|
check(&rn, 1.5, "1.5", "1.5E0");
|
|
check(&rn, 0.33333, "0.33333", "3.3333E-1");
|
|
check(&rn, 2, "2.0", "2.0E0");
|
|
check(&rn, 2.1, "2.1", "2.1E0");
|
|
check(&rn, 3, "3.0", "3.0E0");
|
|
check(&rn, 3.1, "3.1", "3.1E0");
|
|
check(&rn, 3.14, "3.14", "3.14E0");
|
|
check(&rn, 3.1415, "3.1415", "3.1415E0");
|
|
check(&rn, 3.141592, "3.141592", "3.141592E0");
|
|
check(&rn, 3.14159265, "3.14159265", "3.14159265E0");
|
|
check(&rn, -3.14159265, "-3.14159265", "-3.14159265E0");
|
|
check(&rn, 14159265.0, "14159265.0", "1.4159265E7");
|
|
check(&rn, -123456789123456789.0, "-123456789123456784.0", "-1.234567891234568E17");
|
|
check(&rn, 0.00000000001, "0.00000000001", "9.999999999999999E-12");
|
|
check(&rn, 0.00000000002, "0.00000000002", "2.0E-11");
|
|
check(&rn, 0.00000000009, "0.00000000009", "9.0E-11");
|
|
check(&rn, 0.000000000002, "0.000000000002", "2.0E-12");
|
|
check(&rn, 0.0000000000002, "0.0000000000002", "2.0E-13");
|
|
check(&rn, 0.00000000000002, "0.00000000000002", "2.0E-14");
|
|
check(&rn, 0.000000000000002, "0.000000000000002", "2.0E-15");
|
|
check(&rn, 0.0000000000000002, "0.0", "2.0E-16");
|
|
check(&rn, 0.0000000000000000000001, "0.0", "1.0E-22");
|
|
check(&rn, 0.000000000000000000000000000001, "0.0", "1.0E-30"); /* proved 2B a problem */
|
|
check(&rn,-0.000000000000000000000000000001, "-0.0", "-1.0E-30"); /* proved 2B a problem */
|
|
check(&rn, 0.0000000000010000000001000000000001, 0, 0);
|
|
check(&rn, 0.00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, 0, 0);
|
|
check(&rn, 0.000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, 0, 0);
|
|
check(&rn,-0.000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, 0, 0);
|
|
check(&rn,-3.33333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333, 0, 0);
|
|
check(&rn, 0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000033333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333, 0, 0);
|
|
check(&rn, 0.25, "0.25", "2.5E-1");
|
|
check(&rn, -0.25, "-0.25", "-2.5E-1");
|
|
check(&rn, 0.03, "0.03", "3.0E-2");
|
|
check(&rn, -0.03, "-0.03", "-3.0E-2");
|
|
|
|
check(&rn, 4.01E-50, "0.0", "4.01E-50");
|
|
check(&rn, -4.01E-50, "-0.0", "-4.01E-50");
|
|
check(&rn, -4.9406564584124654E-324, "-0.0", "-4.940656458412465E-324"); /* MIN */
|
|
check(&rn, DBL_MIN, "0.0", "2.225073858507201E-308"); /* MIN */
|
|
check(&rn, -DBL_MIN, "-0.0", "-2.225073858507201E-308"); /* -MIN */
|
|
check(&rn, DBL_MAX, "179769313486231570814527423731704356798070567525844996598917476803157260780028538760589558632766878171540458953514382464234321326889464182768467546703537516986049910576551282076245490090389328944075868508455133942304583236903222948165808559332123348274797826204144723168738177180919299881250404026184124858368.0", "1.797693134862316E308"); /* MAX */
|
|
check(&rn, -DBL_MAX, "-179769313486231570814527423731704356798070567525844996598917476803157260780028538760589558632766878171540458953514382464234321326889464182768467546703537516986049910576551282076245490090389328944075868508455133942304583236903222948165808559332123348274797826204144723168738177180919299881250404026184124858368.0", "-1.797693134862316E308"); /* MAX */
|
|
check(&rn, -DBL_TRUE_MIN, "-0.0", "-4.940656458412465E-324"); /* subnorm */
|
|
check(&rn, DBL_TRUE_MIN, "0.0", "4.940656458412465E-324"); /* subnorm */
|
|
|
|
|
|
#ifdef NAN
|
|
check_xer(0, NAN); /* "<NOT-A-NUMBER/>" */
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#else
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check_xer(0, zero/zero); /* "<NOT-A-NUMBER/>" */
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#endif
|
|
#ifdef INFINITY
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check_xer(0, INFINITY); /* "<PLUS-INFINITY/>" */
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check_xer(0, -INFINITY); /* "<MINUS-INFINITY/>" */
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#else
|
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check_xer(0, 1.0/zero); /* "<PLUS-INFINITY/>" */
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check_xer(0, -1.0/zero); /* "<MINUS-INFINITY/>" */
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#endif
|
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check_xer(0, 1.0);
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|
check_xer(0, -1.0);
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|
check_xer(0, 1.5);
|
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check_xer(0, 123);
|
|
check_xer(1, 0.0000000000000000000001);
|
|
check_xer(1, -0.0000000000000000000001);
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|
|
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return 0;
|
|
}
|