2011-11-06 Bruno Haible <bruno@clisp.org>
+ ldexp, ldexpf, ldexpl: Enhance tests.
+ * tests/test-ldexp.h: New file, combining code from tests/test-ldexp.c
+ and tests/test-ldexpl.c.
+ * tests/test-ldexpl.c: (DOUBLE, ISNAN, INFINITY, NAN, L_, MINUS_ZERO,
+ LDEXP, MIN_EXP, MAX_EXP): New macros.
+ Include test-ldexp.h.
+ (main): Just call test_function.
+ * tests/test-ldexp.c: Include float.h, isnand-nolibm.h, minus-zero.h,
+ infinity.h, nan.h.
+ (DOUBLE, ISNAN, INFINITY, NAN, L_, MINUS_ZERO, LDEXP, MIN_EXP,
+ MAX_EXP): New macros.
+ Include test-ldexp.h.
+ (x, y): Remove variables.
+ (main): Just call test_function.
+ * tests/test-ldexpf.c: Include float.h, isnanf-nolibm.h, minus-zero.h,
+ infinity.h, nan.h.
+ (DOUBLE, ISNAN, INFINITY, NAN, L_, MINUS_ZERO, LDEXP, MIN_EXP,
+ MAX_EXP): New macros.
+ Include test-ldexp.h.
+ (x, y): Remove variables.
+ (main): Just call test_function.
+ * modules/ldexpl-tests (Files): Add tests/test-ldexp.h.
+ * modules/ldexp-tests (Files): Add tests/test-ldexp.h,
+ tests/minus-zero.h, tests/infinity.h, tests/nan.h.
+ (Depends-on): Add isnand-nolibm, signbit, float.
+ * modules/ldexpf-tests (Files): Add tests/test-ldexp.h,
+ tests/minus-zero.h, tests/infinity.h, tests/nan.h.
+ (Depends-on): Add isnanf-nolibm, signbit, float.
+
+2011-11-06 Bruno Haible <bruno@clisp.org>
+
math tests: Cosmetics.
* tests/test-math-c++.cc: Reorder declarations.
Files:
tests/test-ldexp.c
+tests/test-ldexp.h
+tests/minus-zero.h
+tests/infinity.h
+tests/nan.h
tests/signature.h
tests/macros.h
Depends-on:
+isnand-nolibm
+signbit
+float
configure.ac:
Files:
tests/test-ldexpf.c
+tests/test-ldexp.h
+tests/minus-zero.h
+tests/infinity.h
+tests/nan.h
tests/signature.h
tests/macros.h
Depends-on:
+isnanf-nolibm
+signbit
+float
configure.ac:
Files:
tests/test-ldexpl.c
+tests/test-ldexp.h
tests/minus-zero.h
tests/infinity.h
tests/nan.h
/* Test of ldexp() function.
- Copyright (C) 2010-2011 Free Software Foundation, Inc.
+ Copyright (C) 2007-2011 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
-/* Written by Bruno Haible <bruno@clisp.org>, 2010. */
+/* Written by Bruno Haible <bruno@clisp.org>, 2007, 2010. */
#include <config.h>
#include "signature.h"
SIGNATURE_CHECK (ldexp, double, (double, int));
+#include <float.h>
+
+#include "isnand-nolibm.h"
+#include "minus-zero.h"
+#include "infinity.h"
+#include "nan.h"
#include "macros.h"
-volatile double x;
-double y;
+#undef INFINITY
+#undef NAN
+
+#define DOUBLE double
+#define ISNAN isnand
+#define INFINITY Infinityd ()
+#define NAN NaNd ()
+#define L_(literal) literal
+#define MINUS_ZERO minus_zerod
+#define LDEXP ldexp
+#define MIN_EXP DBL_MIN_EXP
+#define MAX_EXP DBL_MAX_EXP
+#include "test-ldexp.h"
int
main ()
{
- /* A particular value. */
- x = 0.6;
- y = ldexp (x, 0);
- ASSERT (y >= 0.5999999999 && y <= 0.6000000001);
-
- x = 0.6;
- y = ldexp (x, 1);
- ASSERT (y >= 1.199999999 && y <= 1.200000001);
-
- x = 0.6;
- y = ldexp (x, -1);
- ASSERT (y >= 0.2999999999 && y <= 0.3000000001);
+ test_function ();
return 0;
}
--- /dev/null
+/* Test of ldexp*() function family.
+ Copyright (C) 2007-2011 Free Software Foundation, Inc.
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program 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 General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
+
+/* Written by Bruno Haible <bruno@clisp.org>, 2007, 2010. */
+
+static void
+test_function (void)
+{
+ int i;
+ volatile DOUBLE x;
+ volatile DOUBLE y;
+
+ /* A particular value. */
+ {
+ x = L_(0.6);
+ y = LDEXP (x, 0);
+ ASSERT (y >= L_(0.5999999999) && y <= L_(0.6000000001));
+ }
+ {
+ x = L_(0.6);
+ y = LDEXP (x, 1);
+ ASSERT (y >= L_(1.199999999) && y <= L_(1.200000001));
+ }
+ {
+ x = L_(0.6);
+ y = LDEXP (x, -1);
+ ASSERT (y >= L_(0.2999999999) && y <= L_(0.3000000001));
+ }
+
+ { /* NaN. */
+ x = NAN;
+ y = LDEXP (x, 0); ASSERT (ISNAN (y));
+ y = LDEXP (x, 5); ASSERT (ISNAN (y));
+ y = LDEXP (x, -5); ASSERT (ISNAN (y));
+ }
+
+ { /* Positive infinity. */
+ x = INFINITY;
+ y = LDEXP (x, 0); ASSERT (y == x);
+ y = LDEXP (x, 5); ASSERT (y == x);
+ y = LDEXP (x, -5); ASSERT (y == x);
+ }
+
+ { /* Negative infinity. */
+ x = - INFINITY;
+ y = LDEXP (x, 0); ASSERT (y == x);
+ y = LDEXP (x, 5); ASSERT (y == x);
+ y = LDEXP (x, -5); ASSERT (y == x);
+ }
+
+ { /* Positive zero. */
+ x = L_(0.0);
+ y = LDEXP (x, 0); ASSERT (y == x); ASSERT (!signbit (x));
+ y = LDEXP (x, 5); ASSERT (y == x); ASSERT (!signbit (x));
+ y = LDEXP (x, -5); ASSERT (y == x); ASSERT (!signbit (x));
+ }
+
+ { /* Negative zero. */
+ x = MINUS_ZERO;
+ y = LDEXP (x, 0); ASSERT (y == x); ASSERT (signbit (x));
+ y = LDEXP (x, 5); ASSERT (y == x); ASSERT (signbit (x));
+ y = LDEXP (x, -5); ASSERT (y == x); ASSERT (signbit (x));
+ }
+
+ { /* Positive finite number. */
+ x = L_(1.73205);
+ y = LDEXP (x, 0); ASSERT (y == x);
+ y = LDEXP (x, 5); ASSERT (y == x * L_(32.0));
+ y = LDEXP (x, -5); ASSERT (y == x * L_(0.03125));
+ }
+
+ { /* Negative finite number. */
+ x = - L_(20.085536923187667742);
+ y = LDEXP (x, 0); ASSERT (y == x);
+ y = LDEXP (x, 5); ASSERT (y == x * L_(32.0));
+ y = LDEXP (x, -5); ASSERT (y == x * L_(0.03125));
+ }
+
+ for (i = 1, x = L_(1.73205); i <= MAX_EXP; i++, x *= L_(2.0))
+ {
+ y = LDEXP (x, 0); ASSERT (y == x);
+ {
+ volatile DOUBLE expected;
+ y = LDEXP (x, 5);
+ expected = x * L_(32.0);
+ ASSERT (y == expected);
+ }
+ y = LDEXP (x, -5); ASSERT (y == x * 0.03125L);
+ }
+ for (i = 1, x = L_(1.73205); i >= MIN_EXP; i--, x *= L_(0.5))
+ {
+ y = LDEXP (x, 0); ASSERT (y == x);
+ y = LDEXP (x, 5); ASSERT (y == x * L_(32.0));
+ if (i - 5 >= MIN_EXP)
+ {
+ y = LDEXP (x, -5); ASSERT (y == x * L_(0.03125));
+ }
+ }
+ for (; i >= LDBL_MIN_EXP - 100 && x > L_(0.0); i--, x *= L_(0.5))
+ {
+ y = LDEXP (x, 0); ASSERT (y == x);
+ y = LDEXP (x, 5); ASSERT (y == x * L_(32.0));
+ }
+}
/* Test of ldexpf() function.
- Copyright (C) 2010-2011 Free Software Foundation, Inc.
+ Copyright (C) 2007-2011 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
-/* Written by Bruno Haible <bruno@clisp.org>, 2010. */
+/* Written by Bruno Haible <bruno@clisp.org>, 2007, 2010. */
#include <config.h>
#include "signature.h"
SIGNATURE_CHECK (ldexpf, float, (float, int));
+#include <float.h>
+
+#include "isnanf-nolibm.h"
+#include "minus-zero.h"
+#include "infinity.h"
+#include "nan.h"
#include "macros.h"
-volatile float x;
-float y;
+#undef INFINITY
+#undef NAN
+
+#define DOUBLE float
+#define ISNAN isnanf
+#define INFINITY Infinityf ()
+#define NAN NaNf ()
+#define L_(literal) literal##f
+#define MINUS_ZERO minus_zerof
+#define LDEXP ldexpf
+#define MIN_EXP FLT_MIN_EXP
+#define MAX_EXP FLT_MAX_EXP
+#include "test-ldexp.h"
int
main ()
{
- /* A particular value. */
- x = 0.6f;
- y = ldexp (x, 0);
- ASSERT (y >= 0.59999999f && y <= 0.60000001f);
-
- x = 0.6f;
- y = ldexp (x, 1);
- ASSERT (y >= 1.1999999f && y <= 1.2000001f);
-
- x = 0.6f;
- y = ldexp (x, -1);
- ASSERT (y >= 0.29999999f && y <= 0.30000001f);
+ test_function ();
return 0;
}
#include "nan.h"
#include "macros.h"
+#undef INFINITY
+#undef NAN
+
+#define DOUBLE long double
+#define ISNAN isnanl
+#define INFINITY Infinityl ()
+#define NAN NaNl ()
+#define L_(literal) literal##L
+#define MINUS_ZERO minus_zerol
+#define LDEXP ldexpl
+#define MIN_EXP LDBL_MIN_EXP
+#define MAX_EXP LDBL_MAX_EXP
+#include "test-ldexp.h"
+
int
main ()
{
- int i;
- long double x;
- long double y;
DECL_LONG_DOUBLE_ROUNDING
BEGIN_LONG_DOUBLE_ROUNDING ();
- { /* NaN. */
- x = NaNl ();
- y = ldexpl (x, 0); ASSERT (isnanl (y));
- y = ldexpl (x, 5); ASSERT (isnanl (y));
- y = ldexpl (x, -5); ASSERT (isnanl (y));
- }
-
- { /* Positive infinity. */
- x = Infinityl ();
- y = ldexpl (x, 0); ASSERT (y == x);
- y = ldexpl (x, 5); ASSERT (y == x);
- y = ldexpl (x, -5); ASSERT (y == x);
- }
-
- { /* Negative infinity. */
- x = - Infinityl ();
- y = ldexpl (x, 0); ASSERT (y == x);
- y = ldexpl (x, 5); ASSERT (y == x);
- y = ldexpl (x, -5); ASSERT (y == x);
- }
-
- { /* Positive zero. */
- x = 0.0L;
- y = ldexpl (x, 0); ASSERT (y == x); ASSERT (!signbit (x));
- y = ldexpl (x, 5); ASSERT (y == x); ASSERT (!signbit (x));
- y = ldexpl (x, -5); ASSERT (y == x); ASSERT (!signbit (x));
- }
-
- { /* Negative zero. */
- x = minus_zerol;
- y = ldexpl (x, 0); ASSERT (y == x); ASSERT (signbit (x));
- y = ldexpl (x, 5); ASSERT (y == x); ASSERT (signbit (x));
- y = ldexpl (x, -5); ASSERT (y == x); ASSERT (signbit (x));
- }
-
- { /* Positive finite number. */
- x = 1.73205L;
- y = ldexpl (x, 0); ASSERT (y == x);
- y = ldexpl (x, 5); ASSERT (y == x * 32.0L);
- y = ldexpl (x, -5); ASSERT (y == x * 0.03125L);
- }
-
- { /* Negative finite number. */
- x = -20.085536923187667742L;
- y = ldexpl (x, 0); ASSERT (y == x);
- y = ldexpl (x, 5); ASSERT (y == x * 32.0L);
- y = ldexpl (x, -5); ASSERT (y == x * 0.03125L);
- }
-
- for (i = 1, x = 1.73205L; i <= LDBL_MAX_EXP; i++, x *= 2.0L)
- {
- y = ldexpl (x, 0); ASSERT (y == x);
- {
- volatile long double expected;
- y = ldexpl (x, 5);
- expected = x * 32.0L;
- ASSERT (y == expected);
- }
- y = ldexpl (x, -5); ASSERT (y == x * 0.03125L);
- }
- for (i = 1, x = 1.73205L; i >= LDBL_MIN_EXP; i--, x *= 0.5L)
- {
- y = ldexpl (x, 0); ASSERT (y == x);
- y = ldexpl (x, 5); ASSERT (y == x * 32.0L);
- if (i - 5 >= LDBL_MIN_EXP)
- {
- y = ldexpl (x, -5); ASSERT (y == x * 0.03125L);
- }
- }
- for (; i >= LDBL_MIN_EXP - 100 && x > 0.0L; i--, x *= 0.5L)
- {
- y = ldexpl (x, 0); ASSERT (y == x);
- y = ldexpl (x, 5); ASSERT (y == x * 32.0L);
- }
+ test_function ();
return 0;
}
projects / gnulib.git / commitdiff