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authorPaul E. Murphy <murphyp@linux.vnet.ibm.com>2016-07-28 11:14:11 -0500
committerPaul E. Murphy <murphyp@linux.vnet.ibm.com>2016-08-19 11:17:07 -0500
commit466929465e881a2d09df39097d026195fe2f26ed (patch)
tree5d100d29ef6bdcb475825ce4d3373e028ed0b216 /stdlib/tst-strtod-round.c
parentd3bf0bade622ccc51da2f66cea967101b6cc33fb (diff)
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.
Diffstat (limited to 'stdlib/tst-strtod-round.c')
-rw-r--r--stdlib/tst-strtod-round.c206
1 files changed, 7 insertions, 199 deletions
diff --git a/stdlib/tst-strtod-round.c b/stdlib/tst-strtod-round.c
index 509f96ac9e..ae5d6f8478 100644
--- a/stdlib/tst-strtod-round.c
+++ b/stdlib/tst-strtod-round.c
@@ -1,6 +1,5 @@
-/* Test for correct rounding of results of strtod and related
- functions.
- Copyright (C) 2012-2016 Free Software Foundation, Inc.
+/* char 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
@@ -17,200 +16,9 @@
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
-/* Defining _LIBC_TEST ensures long double math functions are
- declared in the headers. */
-#define _LIBC_TEST 1
-#include <fenv.h>
-#include <float.h>
-#include <math.h>
-#include <stdbool.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <math-tests.h>
+#define L_(str) str
+#define FNPFX str
+#define CHAR char
+#define STRM "%s"
-#include "tst-strtod.h"
-
-#define _CONCAT(a, b) a ## b
-#define CONCAT(a, b) _CONCAT (a, b)
-
-#if LDBL_MANT_DIG == 106 && LDBL_MAX_EXP == 1024
-/* This is a stupid hack for IBM long double. This test ignores
- inexact values for long double due to the limitations of the
- format. This ensures rounding tests are ignored. */
-# undef ROUNDING_TESTS_long_double
-# define ROUNDING_TESTS_long_double(x) 0
-#endif
-
-/* Generator to create an FTYPE member variabled named FSUF
- used to populate struct member variables. */
-#define FTYPE_MEMBER(FSUF, FTYPE, FTOSTR, FTOSTRM, LSUF, CSUF) \
- FTYPE FSUF;
-
-/* Likewise, but each member is of type bool. */
-#define BOOL_MEMBER(FSUF, FTYPE, FTOSTR, FTOSTRM, LSUF, CSUF) \
- bool FSUF;
-
-#define STRUCT_FOREACH_FLOAT_FTYPE GEN_TEST_STRTOD_FOREACH (FTYPE_MEMBER)
-#define STRUCT_FOREACH_FLOAT_BOOL GEN_TEST_STRTOD_FOREACH (BOOL_MEMBER)
-
-/* Define the long double choose (CHOOSE_ld) macro
- to select the appropriate generated long double
- value from the generated test data. */
-#if LDBL_MANT_DIG == 53 && LDBL_MAX_EXP == 1024
-/* This is for the long double == double format. */
-# define CHOOSE_ld(f,d,...) d
-#elif LDBL_MANT_DIG == 64 && LDBL_MAX_EXP == 16384 && LDBL_MIN_EXP == -16381
-/* This is for the Intel extended float format. */
-# define CHOOSE_ld(f,d,ld64i,...) ld64i
-#elif LDBL_MANT_DIG == 64 && LDBL_MAX_EXP == 16384 && LDBL_MIN_EXP == -16382
-/* This is for the Motorola extended float format. */
-# define CHOOSE_ld(f,d,ld64i,ld64m,...) ld64m
-#elif LDBL_MANT_DIG == 106 && LDBL_MAX_EXP == 1024
-/* This is for the IBM extended double format. */
-# define CHOOSE_ld(f,d,ld64i,ld64m,ld106,...) ld106
-#elif LDBL_MANT_DIG == 113 && LDBL_MAX_EXP == 16384
-/* This is for the IEEE binary128 format. */
-# define CHOOSE_ld(f,d,ld64i,ld64m,ld106,ld113,...) ld113
-#else
-# error "unknown long double format"
-#endif
-
-/* Add type specific choosing macros below. */
-#define CHOOSE_f(f,...) f
-#define CHOOSE_d(f,d,...) d
-/* long double is special, and handled above. */
-
-/* Selector for expected result field of a given type. */
-#define _ENTRY(FSUF, FTYPE, FTOSTR, FTOSTRM, LSUF, CSUF, ...) \
- CONCAT (CHOOSE_ ## FSUF (__VA_ARGS__), LSUF),
-#define ENTRY(...) \
- GEN_TEST_STRTOD_FOREACH (_ENTRY, __VA_ARGS__)
-
-/* Selector for boolean exact tag of expected results. */
-#define _XNTRY(FSUF, FTYPE, FTOSTR, FTOSTRM, LSUF, CSUF, ...) \
- CHOOSE_ ## FSUF (__VA_ARGS__),
-#define XNTRY(...) \
- GEN_TEST_STRTOD_FOREACH (_XNTRY, __VA_ARGS__)
-
-/* This is hacky way around the seemingly unavoidable macro
- expansion of the INFINITY or HUGE_VAL like macros in the
- above. It is assumed the compiler will implicitly convert
- the infinity correctly. */
-#define INF INFINITY + 0.0
-
-/* This macro is used in conjunction with the output from the
- gen-tst-strtod-round utility to select the appropriately
- rounded long double value for a given format. */
-#define TEST(s, \
- fx, fd, fn, fz, fu, \
- dx, dd, dn, dz, du, \
- ld64ix, ld64id, ld64in, ld64iz, ld64iu, \
- ld64mx, ld64md, ld64mn, ld64mz, ld64mu, \
- ld106x, ld106d, ld106n, ld106z, ld106u, \
- ld113x, ld113d, ld113n, ld113z, ld113u) \
- { \
- s, \
- { XNTRY (fx, dx, ld64ix, ld64mx, ld106x, ld113x) }, \
- { \
- { ENTRY (fn, dn, ld64in, ld64mn, ld106n, ld113n) }, \
- { ENTRY (fd, dd, ld64id, ld64md, ld106d, ld113d) }, \
- { ENTRY (fz, dz, ld64iz, ld64mz, ld106z, ld113z) }, \
- { ENTRY (fu, du, ld64iu, ld64mu, ld106u, ld113u) } \
- } \
- }
-
-struct test_exactness
- {
- STRUCT_FOREACH_FLOAT_BOOL
- };
-
-struct test_results
- {
- STRUCT_FOREACH_FLOAT_FTYPE
- };
-
-struct test {
- const char *s;
- struct test_exactness exact;
- struct test_results r[4];
-};
-
-/* Include the generated test data. */
-#include "tst-strtod-round-data.h"
-
-#define GEN_ONE_TEST(FSUF, FTYPE, FTOSTR, FTOSTRM, LSUF, CSUF) \
-{ \
- FTYPE f = strto ## FSUF (s, NULL); \
- if (f != expected->FSUF \
- || (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>