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Add tst-wcstod-round
This extends tst-strtod-round with a few trivial changes to also test the wide character variants of strto* using similar macros to other shared tests.
This commit is contained in:
Paul E. Murphy
parent
d3bf0bade6
commit
466929465e
26
ChangeLog
26
ChangeLog
@ -1,3 +1,29 @@
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2016-08-19 Paul E. Murphy <murphyp@linux.vnet.ibm.com>
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* stdlib/tst-strtod-round-skeleton.c:
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Refactored from tst-strtod-round.c.
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(L_): New macro to apply literal modifier.
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(FNPFX): New macro to select str or wcs prefix.
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(CHAR): New macro to choose wchar_t or char.
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(STRM): New macro to choose printf for tested character type.
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(STRTO): New macro to choose appropriate string -> real function.
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(FNPFXS): Stringitized version of FNPFX.
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(STR): Support for above macro.
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(STRX): Likewise.
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(TEST): Update with above macros.
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(test): Likewise.
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(GEN_ONE_TEST): Likewise.
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(test_in_one_mode): Likewise.
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* stdlib/tst-strtod-round.c: New file.
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* wcsmbs/tst-wcstod-round.c: New file.
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* wcsmbs/Makefile: (tests): Add tst-wcstod-round
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(tst-wcstod-round): Add libm depencency for fesetround.
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2016-08-19 Zack Weinberg <zackw@panix.com>
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* debug/tst-chk1.c: Add tests for fortification of bcopy and bzero.
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236
stdlib/tst-strtod-round-skeleton.c
Normal file
236
stdlib/tst-strtod-round-skeleton.c
Normal file
@ -0,0 +1,236 @@
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/* Test for correct rounding of results of strtod and related
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functions.
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Copyright (C) 2012-2016 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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/* Defining _LIBC_TEST ensures long double math functions are
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declared in the headers. */
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#define _LIBC_TEST 1
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#include <fenv.h>
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#include <float.h>
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#include <math.h>
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#include <stdbool.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <math-tests.h>
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#include "tst-strtod.h"
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/* Non-standard macros expected to be externally defined:
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L_(str): Pastes the appropriate modifier to a string literal str.
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FNPFX: Expands to the correct prefix for the strtod equivalent
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of type CHAR. (e.g str or wcs).
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CHAR: Expands to the string type being tested (e.g wchar_t or char).
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STRM: Expands to a string literal suitable for printing CHAR* via
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printf (e.g "%s" or "%ls"). */
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#define _CONCAT(a, b) a ## b
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#define CONCAT(a, b) _CONCAT (a, b)
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#define STRTO(x) CONCAT (CONCAT (FNPFX, to), x)
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#if LDBL_MANT_DIG == 106 && LDBL_MAX_EXP == 1024
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/* This is a stupid hack for IBM long double. This test ignores
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inexact values for long double due to the limitations of the
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format. This ensures rounding tests are ignored. */
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# undef ROUNDING_TESTS_long_double
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# define ROUNDING_TESTS_long_double(x) 0
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#endif
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/* Generator to create an FTYPE member variabled named FSUF
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used to populate struct member variables. */
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#define FTYPE_MEMBER(FSUF, FTYPE, FTOSTR, FTOSTRM, LSUF, CSUF) \
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FTYPE FSUF;
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/* Likewise, but each member is of type bool. */
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#define BOOL_MEMBER(FSUF, FTYPE, FTOSTR, FTOSTRM, LSUF, CSUF) \
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bool FSUF;
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#define STRUCT_FOREACH_FLOAT_FTYPE GEN_TEST_STRTOD_FOREACH (FTYPE_MEMBER)
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#define STRUCT_FOREACH_FLOAT_BOOL GEN_TEST_STRTOD_FOREACH (BOOL_MEMBER)
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/* Define the long double choose (CHOOSE_ld) macro
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to select the appropriate generated long double
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value from the generated test data. */
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#if LDBL_MANT_DIG == 53 && LDBL_MAX_EXP == 1024
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/* This is for the long double == double format. */
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# define CHOOSE_ld(f,d,...) d
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#elif LDBL_MANT_DIG == 64 && LDBL_MAX_EXP == 16384 && LDBL_MIN_EXP == -16381
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/* This is for the Intel extended float format. */
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# define CHOOSE_ld(f,d,ld64i,...) ld64i
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#elif LDBL_MANT_DIG == 64 && LDBL_MAX_EXP == 16384 && LDBL_MIN_EXP == -16382
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/* This is for the Motorola extended float format. */
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# define CHOOSE_ld(f,d,ld64i,ld64m,...) ld64m
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#elif LDBL_MANT_DIG == 106 && LDBL_MAX_EXP == 1024
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/* This is for the IBM extended double format. */
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# define CHOOSE_ld(f,d,ld64i,ld64m,ld106,...) ld106
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#elif LDBL_MANT_DIG == 113 && LDBL_MAX_EXP == 16384
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/* This is for the IEEE binary128 format. */
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# define CHOOSE_ld(f,d,ld64i,ld64m,ld106,ld113,...) ld113
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#else
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# error "unknown long double format"
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#endif
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/* Add type specific choosing macros below. */
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#define CHOOSE_f(f,...) f
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#define CHOOSE_d(f,d,...) d
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/* long double is special, and handled above. */
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/* Selector for expected result field of a given type. */
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#define _ENTRY(FSUF, FTYPE, FTOSTR, FTOSTRM, LSUF, CSUF, ...) \
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CONCAT (CHOOSE_ ## FSUF (__VA_ARGS__), LSUF),
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#define ENTRY(...) \
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GEN_TEST_STRTOD_FOREACH (_ENTRY, __VA_ARGS__)
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/* Selector for boolean exact tag of expected results. */
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#define _XNTRY(FSUF, FTYPE, FTOSTR, FTOSTRM, LSUF, CSUF, ...) \
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CHOOSE_ ## FSUF (__VA_ARGS__),
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#define XNTRY(...) \
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GEN_TEST_STRTOD_FOREACH (_XNTRY, __VA_ARGS__)
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/* This is hacky way around the seemingly unavoidable macro
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expansion of the INFINITY or HUGE_VAL like macros in the
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above. It is assumed the compiler will implicitly convert
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the infinity correctly. */
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#define INF INFINITY + 0.0
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/* This macro is used in conjunction with the output from the
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gen-tst-strtod-round utility to select the appropriately
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rounded long double value for a given format. */
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#define TEST(s, \
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fx, fd, fn, fz, fu, \
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dx, dd, dn, dz, du, \
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ld64ix, ld64id, ld64in, ld64iz, ld64iu, \
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ld64mx, ld64md, ld64mn, ld64mz, ld64mu, \
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ld106x, ld106d, ld106n, ld106z, ld106u, \
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ld113x, ld113d, ld113n, ld113z, ld113u) \
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{ \
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L_ (s), \
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{ XNTRY (fx, dx, ld64ix, ld64mx, ld106x, ld113x) }, \
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{ \
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{ ENTRY (fn, dn, ld64in, ld64mn, ld106n, ld113n) }, \
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{ ENTRY (fd, dd, ld64id, ld64md, ld106d, ld113d) }, \
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{ ENTRY (fz, dz, ld64iz, ld64mz, ld106z, ld113z) }, \
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{ ENTRY (fu, du, ld64iu, ld64mu, ld106u, ld113u) } \
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} \
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}
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struct test_exactness
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{
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STRUCT_FOREACH_FLOAT_BOOL
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};
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struct test_results
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{
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STRUCT_FOREACH_FLOAT_FTYPE
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};
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struct test {
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const CHAR *s;
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struct test_exactness exact;
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struct test_results r[4];
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};
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/* Include the generated test data. */
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#include "tst-strtod-round-data.h"
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#define STRX(x) #x
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#define STR(x) STRX (x)
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#define FNPFXS STR (FNPFX)
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#define GEN_ONE_TEST(FSUF, FTYPE, FTOSTR, FTOSTRM, LSUF, CSUF) \
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{ \
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FTYPE f = STRTO (FSUF) (s, NULL); \
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if (f != expected->FSUF \
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|| (copysign ## CSUF) (1.0 ## LSUF, f) \
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!= (copysign ## CSUF) (1.0 ## LSUF, expected->FSUF)) \
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{ \
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CHAR efstr[FSTRLENMAX]; \
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CHAR fstr[FSTRLENMAX]; \
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FTOSTR (efstr, FSTRLENMAX, L_("%") L_(FTOSTRM) L_("a"), \
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expected->FSUF); \
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FTOSTR (fstr, FSTRLENMAX, L_("%") L_(FTOSTRM) L_("a"), f);\
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printf (FNPFXS "to" #FSUF " (" STRM ") returned " STRM \
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" not " STRM " (%s)\n", \
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s, fstr, efstr, mode_name); \
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if (ROUNDING_TESTS (FTYPE, rnd_mode) || exact->FSUF) \
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result = 1; \
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else \
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printf ("ignoring this inexact result\n"); \
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} \
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}
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static int
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test_in_one_mode (const CHAR *s, const struct test_results *expected,
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const struct test_exactness *exact, const char *mode_name,
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int rnd_mode)
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{
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int result = 0;
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GEN_TEST_STRTOD_FOREACH (GEN_ONE_TEST)
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return result;
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}
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static const struct fetestmodes
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{
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const char *mode_name;
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int rnd_mode;
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int rnd_i; /* Corresponding index into r array of struct test. */
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} modes[] = {
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{ "default rounding mode", FE_TONEAREST, 0 },
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#ifdef FE_DOWNWARD
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{ "FE_DOWNWARD", FE_DOWNWARD, 1 },
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#endif
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#ifdef FE_TOWARDZERO
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{ "FE_TOWARDZERO", FE_TOWARDZERO, 2 },
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#endif
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#ifdef FE_UPWARD
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{ "FE_UPWARD", FE_UPWARD, 3 },
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#endif
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{}
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};
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static int
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do_test (void)
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{
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int save_round_mode __attribute__ ((unused)) = fegetround ();
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int result = 0;
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for (size_t i = 0; i < sizeof (tests) / sizeof (tests[0]); i++)
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{
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result |= test_in_one_mode (tests[i].s, &tests[i].r[modes[0].rnd_i],
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&tests[i].exact, modes[0].mode_name,
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modes[0].rnd_mode);
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for (const struct fetestmodes *m = &modes[1]; m->mode_name != NULL; m++)
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{
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if (!fesetround (m->rnd_mode))
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{
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result |= test_in_one_mode (tests[i].s, &tests[i].r[m->rnd_i],
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&tests[i].exact, m->mode_name,
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m->rnd_mode);
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fesetround (save_round_mode);
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}
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}
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}
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return result;
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}
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#define TEST_FUNCTION do_test ()
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#include "../test-skeleton.c"
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@ -1,6 +1,5 @@
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/* Test for correct rounding of results of strtod and related
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functions.
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Copyright (C) 2012-2016 Free Software Foundation, Inc.
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/* char shim for tst-strtod-round-skeleton.c.
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Copyright (C) 2016 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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@ -17,200 +16,9 @@
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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/* Defining _LIBC_TEST ensures long double math functions are
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declared in the headers. */
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#define _LIBC_TEST 1
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#include <fenv.h>
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#include <float.h>
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#include <math.h>
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#include <stdbool.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <math-tests.h>
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#define L_(str) str
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#define FNPFX str
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#define CHAR char
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#define STRM "%s"
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#include "tst-strtod.h"
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#define _CONCAT(a, b) a ## b
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#define CONCAT(a, b) _CONCAT (a, b)
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#if LDBL_MANT_DIG == 106 && LDBL_MAX_EXP == 1024
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/* This is a stupid hack for IBM long double. This test ignores
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inexact values for long double due to the limitations of the
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format. This ensures rounding tests are ignored. */
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# undef ROUNDING_TESTS_long_double
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# define ROUNDING_TESTS_long_double(x) 0
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#endif
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/* Generator to create an FTYPE member variabled named FSUF
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used to populate struct member variables. */
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#define FTYPE_MEMBER(FSUF, FTYPE, FTOSTR, FTOSTRM, LSUF, CSUF) \
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FTYPE FSUF;
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/* Likewise, but each member is of type bool. */
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#define BOOL_MEMBER(FSUF, FTYPE, FTOSTR, FTOSTRM, LSUF, CSUF) \
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bool FSUF;
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#define STRUCT_FOREACH_FLOAT_FTYPE GEN_TEST_STRTOD_FOREACH (FTYPE_MEMBER)
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#define STRUCT_FOREACH_FLOAT_BOOL GEN_TEST_STRTOD_FOREACH (BOOL_MEMBER)
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/* Define the long double choose (CHOOSE_ld) macro
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to select the appropriate generated long double
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value from the generated test data. */
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#if LDBL_MANT_DIG == 53 && LDBL_MAX_EXP == 1024
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/* This is for the long double == double format. */
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# define CHOOSE_ld(f,d,...) d
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#elif LDBL_MANT_DIG == 64 && LDBL_MAX_EXP == 16384 && LDBL_MIN_EXP == -16381
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/* This is for the Intel extended float format. */
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# define CHOOSE_ld(f,d,ld64i,...) ld64i
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#elif LDBL_MANT_DIG == 64 && LDBL_MAX_EXP == 16384 && LDBL_MIN_EXP == -16382
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/* This is for the Motorola extended float format. */
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# define CHOOSE_ld(f,d,ld64i,ld64m,...) ld64m
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#elif LDBL_MANT_DIG == 106 && LDBL_MAX_EXP == 1024
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/* This is for the IBM extended double format. */
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# define CHOOSE_ld(f,d,ld64i,ld64m,ld106,...) ld106
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#elif LDBL_MANT_DIG == 113 && LDBL_MAX_EXP == 16384
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/* This is for the IEEE binary128 format. */
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# define CHOOSE_ld(f,d,ld64i,ld64m,ld106,ld113,...) ld113
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#else
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# error "unknown long double format"
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#endif
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/* Add type specific choosing macros below. */
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#define CHOOSE_f(f,...) f
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#define CHOOSE_d(f,d,...) d
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/* long double is special, and handled above. */
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/* Selector for expected result field of a given type. */
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#define _ENTRY(FSUF, FTYPE, FTOSTR, FTOSTRM, LSUF, CSUF, ...) \
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CONCAT (CHOOSE_ ## FSUF (__VA_ARGS__), LSUF),
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#define ENTRY(...) \
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GEN_TEST_STRTOD_FOREACH (_ENTRY, __VA_ARGS__)
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/* Selector for boolean exact tag of expected results. */
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#define _XNTRY(FSUF, FTYPE, FTOSTR, FTOSTRM, LSUF, CSUF, ...) \
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CHOOSE_ ## FSUF (__VA_ARGS__),
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#define XNTRY(...) \
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GEN_TEST_STRTOD_FOREACH (_XNTRY, __VA_ARGS__)
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/* This is hacky way around the seemingly unavoidable macro
|
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expansion of the INFINITY or HUGE_VAL like macros in the
|
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above. It is assumed the compiler will implicitly convert
|
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the infinity correctly. */
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#define INF INFINITY + 0.0
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/* This macro is used in conjunction with the output from the
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gen-tst-strtod-round utility to select the appropriately
|
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rounded long double value for a given format. */
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#define TEST(s, \
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fx, fd, fn, fz, fu, \
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dx, dd, dn, dz, du, \
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ld64ix, ld64id, ld64in, ld64iz, ld64iu, \
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ld64mx, ld64md, ld64mn, ld64mz, ld64mu, \
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ld106x, ld106d, ld106n, ld106z, ld106u, \
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ld113x, ld113d, ld113n, ld113z, ld113u) \
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{ \
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s, \
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{ XNTRY (fx, dx, ld64ix, ld64mx, ld106x, ld113x) }, \
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{ \
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{ ENTRY (fn, dn, ld64in, ld64mn, ld106n, ld113n) }, \
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{ ENTRY (fd, dd, ld64id, ld64md, ld106d, ld113d) }, \
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{ ENTRY (fz, dz, ld64iz, ld64mz, ld106z, ld113z) }, \
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{ ENTRY (fu, du, ld64iu, ld64mu, ld106u, ld113u) } \
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} \
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}
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struct test_exactness
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{
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STRUCT_FOREACH_FLOAT_BOOL
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};
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struct test_results
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{
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STRUCT_FOREACH_FLOAT_FTYPE
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};
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struct test {
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const char *s;
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struct test_exactness exact;
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struct test_results r[4];
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};
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/* Include the generated test data. */
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#include "tst-strtod-round-data.h"
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#define GEN_ONE_TEST(FSUF, FTYPE, FTOSTR, FTOSTRM, LSUF, CSUF) \
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{ \
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FTYPE f = strto ## FSUF (s, NULL); \
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if (f != expected->FSUF \
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|| (copysign ## CSUF) (1.0 ## LSUF, f) \
|
||||
!= (copysign ## CSUF) (1.0 ## LSUF, expected->FSUF)) \
|
||||
{ \
|
||||
char efstr[FSTRLENMAX]; \
|
||||
char fstr[FSTRLENMAX]; \
|
||||
FTOSTR (efstr, FSTRLENMAX, "%" FTOSTRM "a", expected->FSUF); \
|
||||
FTOSTR (fstr, FSTRLENMAX, "%" FTOSTRM "a", f); \
|
||||
printf ("strto" #FSUF " (%s) returned %s not %s" \
|
||||
" (%s)\n", s, fstr, efstr, mode_name); \
|
||||
if (ROUNDING_TESTS (FTYPE, rnd_mode) || exact->FSUF) \
|
||||
result = 1; \
|
||||
else \
|
||||
printf ("ignoring this inexact result\n"); \
|
||||
} \
|
||||
}
|
||||
|
||||
static int
|
||||
test_in_one_mode (const char *s, const struct test_results *expected,
|
||||
const struct test_exactness *exact, const char *mode_name,
|
||||
int rnd_mode)
|
||||
{
|
||||
int result = 0;
|
||||
GEN_TEST_STRTOD_FOREACH (GEN_ONE_TEST)
|
||||
return result;
|
||||
}
|
||||
|
||||
static const struct fetestmodes
|
||||
{
|
||||
const char *mode_name;
|
||||
int rnd_mode;
|
||||
int rnd_i; /* Corresponding index into r array of struct test. */
|
||||
} modes[] = {
|
||||
{ "default rounding mode", FE_TONEAREST, 0 },
|
||||
#ifdef FE_DOWNWARD
|
||||
{ "FE_DOWNWARD", FE_DOWNWARD, 1 },
|
||||
#endif
|
||||
#ifdef FE_TOWARDZERO
|
||||
{ "FE_TOWARDZERO", FE_TOWARDZERO, 2 },
|
||||
#endif
|
||||
#ifdef FE_UPWARD
|
||||
{ "FE_UPWARD", FE_UPWARD, 3 },
|
||||
#endif
|
||||
{}
|
||||
};
|
||||
|
||||
static int
|
||||
do_test (void)
|
||||
{
|
||||
int save_round_mode __attribute__ ((unused)) = fegetround ();
|
||||
int result = 0;
|
||||
for (size_t i = 0; i < sizeof (tests) / sizeof (tests[0]); i++)
|
||||
{
|
||||
result |= test_in_one_mode (tests[i].s, &tests[i].r[modes[0].rnd_i],
|
||||
&tests[i].exact, modes[0].mode_name,
|
||||
modes[0].rnd_mode);
|
||||
for (const struct fetestmodes *m = &modes[1]; m->mode_name != NULL; m++)
|
||||
{
|
||||
if (!fesetround (m->rnd_mode))
|
||||
{
|
||||
result |= test_in_one_mode (tests[i].s, &tests[i].r[m->rnd_i],
|
||||
&tests[i].exact, m->mode_name,
|
||||
m->rnd_mode);
|
||||
fesetround (save_round_mode);
|
||||
}
|
||||
}
|
||||
}
|
||||
return result;
|
||||
}
|
||||
|
||||
#define TEST_FUNCTION do_test ()
|
||||
#include "../test-skeleton.c"
|
||||
#include <tst-strtod-round-skeleton.c>
|
||||
|
||||
@ -49,6 +49,7 @@ strop-tests := wcscmp wcsncmp wmemcmp wcslen wcschr wcsrchr wcscpy wcsnlen \
|
||||
tests := tst-wcstof wcsmbs-tst1 tst-wcsnlen tst-btowc tst-mbrtowc \
|
||||
tst-wcrtomb tst-wcpncpy tst-mbsrtowcs tst-wchar-h tst-mbrtowc2 \
|
||||
tst-c16c32-1 wcsatcliff tst-wcstol-locale tst-wcstod-nan-locale \
|
||||
tst-wcstod-round \
|
||||
$(addprefix test-,$(strop-tests))
|
||||
|
||||
include ../Rules
|
||||
@ -68,6 +69,8 @@ $(objpfx)tst-wcstol-locale.out: $(gen-locales)
|
||||
$(objpfx)tst-wcstod-nan-locale.out: $(gen-locales)
|
||||
endif
|
||||
|
||||
$(objpfx)tst-wcstod-round: $(libm)
|
||||
|
||||
CFLAGS-wcwidth.c = -I../wctype
|
||||
CFLAGS-wcswidth.c = -I../wctype
|
||||
|
||||
|
||||
31
wcsmbs/tst-wcstod-round.c
Normal file
31
wcsmbs/tst-wcstod-round.c
Normal file
@ -0,0 +1,31 @@
|
||||
/* wide character shim for tst-strtod-round-skeleton.c.
|
||||
Copyright (C) 2016 Free Software Foundation, Inc.
|
||||
This file is part of the GNU C Library.
|
||||
|
||||
The GNU C Library is free software; you can redistribute it and/or
|
||||
modify it under the terms of the GNU Lesser General Public
|
||||
License as published by the Free Software Foundation; either
|
||||
version 2.1 of the License, or (at your option) any later version.
|
||||
|
||||
The GNU C Library is distributed in the hope that it will be useful,
|
||||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
Lesser General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU Lesser General Public
|
||||
License along with the GNU C Library; if not, see
|
||||
<http://www.gnu.org/licenses/>. */
|
||||
|
||||
#include <wchar.h>
|
||||
|
||||
/* Include stdio.h early to avoid issues with the snprintf
|
||||
redefinition below. */
|
||||
#include <stdio.h>
|
||||
|
||||
#define L_(str) L ## str
|
||||
#define FNPFX wcs
|
||||
#define CHAR wchar_t
|
||||
#define STRM "%ls"
|
||||
#define snprintf swprintf
|
||||
|
||||
#include <stdlib/tst-strtod-round-skeleton.c>
|
||||
Loading…
Reference in New Issue
Block a user