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authorUlrich Drepper <drepper@redhat.com>1999-10-08 17:16:17 +0000
committerUlrich Drepper <drepper@redhat.com>1999-10-08 17:16:17 +0000
commitb5c6276a6ea23cf92e30132b92cf14119235b257 (patch)
tree546237363815c2c2fd8e2516dd89169b91c5c1c9 /math
parent9640bbe1c1fab7e1373e59160889b1fbc0bd000c (diff)
downloadglibc-b5c6276a6ea23cf92e30132b92cf14119235b257.tar.gz
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Update.
1999-10-08  Ulrich Drepper  <drepper@cygnus.com>

	* nis/nss_nisplus/nisplus-parser.c (_nss_nisplus_parse_spent): Fix
	handling of empty entries.
	Patch by Thorsten Kukuk <kukuk@suse.de>.

1999-10-08  Andreas Schwab  <schwab@suse.de>

	* debug/xtrace.sh: Fix quoting bugs.  Implement --help and --version.

1999-10-08  Andreas Schwab  <schwab@suse.de>

	* debug/pcprofiledump.c: Fix typos.

1999-10-07  Andreas Jaeger  <aj@suse.de>

	* math/Makefile (tests): Added basic-tests.

	* math/basic-test.c: New file.  Contains function basic_tests from
	libm-test.

1999-10-07  Andreas Schwab  <schwab@suse.de>

	* malloc/memprof.sh: Fix quoting bugs.

1999-10-08  Ulrich Drepper  <drepper@cygnus.com>

	* timezone/europe: Update from tzdata1999h.
Diffstat (limited to 'math')
-rw-r--r--math/Makefile2
-rw-r--r--math/basic-test.c123
2 files changed, 124 insertions, 1 deletions
diff --git a/math/Makefile b/math/Makefile
index 34136b91c9..670faaf854 100644
--- a/math/Makefile
+++ b/math/Makefile
@@ -77,7 +77,7 @@ distribute += $(long-c-yes:=.c)
 # Rules for the test suite.
 tests = test-float test-double $(test-longdouble-$(long-double-fcts)) \
 	test-ifloat test-idouble test-matherr test-fenv \
-	atest-exp atest-sincos atest-exp2
+	atest-exp atest-sincos atest-exp2 basic-test
 # We do the `long double' tests only if this data type is available and
 # distinct from `double'.
 test-longdouble-yes = test-ldouble test-ildoubl
diff --git a/math/basic-test.c b/math/basic-test.c
new file mode 100644
index 0000000000..470651968b
--- /dev/null
+++ b/math/basic-test.c
@@ -0,0 +1,123 @@
+/* Copyright (C) 1999 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Andreas Jaeger <aj@suse.de>, 1999.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <math.h>
+#include <float.h>
+#include <stdio.h>
+
+static int errors = 0;
+
+
+static void
+check (const char *testname, int result)
+{
+  if (!result) {
+    printf ("Failure: %s\n", testname);
+    errors++;
+  }
+}
+
+#define TEST_FUNC(NAME, FLOAT, NANFUNC, EPSILON, HUGEVAL) \
+static void								      \
+NAME (void)								      \
+{									      \
+  /* Variables are declared volatile to forbid some compiler		      \
+     optimizations.  */							      \
+  volatile FLOAT Inf_var, NaN_var, zero_var, one_var;			      \
+  FLOAT x1, x2;								      \
+									      \
+  zero_var = 0.0;							      \
+  one_var = 1.0;							      \
+  NaN_var = zero_var/zero_var;						      \
+  Inf_var = one_var / zero_var;						      \
+									      \
+  (void) &zero_var;							      \
+  (void) &one_var;							      \
+  (void) &NaN_var;							      \
+  (void) &Inf_var;							      \
+									      \
+									      \
+  check (#FLOAT " isinf (inf) == 1", isinf (Inf_var) == 1);		      \
+  check (#FLOAT " isinf (-inf) == -1", isinf (-Inf_var) == -1);		      \
+  check (#FLOAT " !isinf (1)", !(isinf (one_var)));			      \
+  check (#FLOAT " !isinf (NaN)", !(isinf (NaN_var)));			      \
+									      \
+  check (#FLOAT " isnan (NaN)", isnan (NaN_var));			      \
+  check (#FLOAT " isnan (-NaN)", isnan (-NaN_var));			      \
+  check (#FLOAT " !isnan (1)", !(isnan (one_var)));			      \
+  check (#FLOAT " !isnan (inf)", !(isnan (Inf_var)));			      \
+									      \
+  check (#FLOAT " inf == inf", Inf_var == Inf_var);			      \
+  check (#FLOAT " -inf == -inf", -Inf_var == -Inf_var);			      \
+  check (#FLOAT " inf != -inf", Inf_var != -Inf_var);			      \
+  check (#FLOAT " NaN != NaN", NaN_var != NaN_var);			      \
+									      \
+  /*									      \
+     the same tests but this time with NAN from <bits/nan.h>		      \
+     NAN is a double const						      \
+   */									      \
+  check (#FLOAT " isnan (NAN)", isnan (NAN));				      \
+  check (#FLOAT " isnan (-NAN)", isnan (-NAN));				      \
+  check (#FLOAT " !isinf (NAN)", !(isinf (NAN)));			      \
+  check (#FLOAT " !isinf (-NAN)", !(isinf (-NAN)));			      \
+  check (#FLOAT " NAN != NAN", NAN != NAN);				      \
+									      \
+  /*									      \
+     And again with the value returned by the `nan' function.		      \
+   */									      \
+  check (#FLOAT " isnan (NAN)", isnan (NANFUNC ("")));			      \
+  check (#FLOAT " isnan (-NAN)", isnan (-NANFUNC ("")));		      \
+  check (#FLOAT " !isinf (NAN)", !(isinf (NANFUNC (""))));		      \
+  check (#FLOAT " !isinf (-NAN)", !(isinf (-NANFUNC (""))));		      \
+  check (#FLOAT " NAN != NAN", NANFUNC ("") != NANFUNC (""));		      \
+									      \
+  /* test if EPSILON is ok */						      \
+  x1 = 1.0;								      \
+  x2 = x1 + EPSILON;							      \
+  check (#FLOAT " 1 != 1+EPSILON", x1 != x2);				      \
+									      \
+  x1 = 1.0;								      \
+  x2 = x1 - EPSILON;							      \
+  check (#FLOAT " 1 != 1-EPSILON", x1 != x2);				      \
+									      \
+  /* test if HUGE_VALx is ok */						      \
+  x1 = HUGEVAL;								      \
+  check (#FLOAT " isinf (HUGE_VALx) == +1", isinf (x1) == +1);		      \
+  x1 = - HUGEVAL;							      \
+  check (#FLOAT " isinf (-HUGE_VALx) == -1", isinf (x1) == -1);		      \
+}
+
+TEST_FUNC (float_test, float, nanf, FLT_EPSILON, HUGE_VALF)
+TEST_FUNC (double_test, double, nan, DBL_EPSILON, HUGE_VAL)
+#ifndef NO_LONG_DOUBLE
+TEST_FUNC (ldouble_test, long double, nan, LDBL_EPSILON, HUGE_VALL)
+#endif
+
+int
+main (void)
+{
+  float_test ();
+  double_test ();
+
+#ifndef NO_LONG_DOUBLE
+  ldouble_test ();
+#endif
+
+  return errors != 0;
+}