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* [glibc/azanella/mips-hw-fp-round] math: Add test to check if trunc raise inexact floating-point exception
@ 2023-12-26 20:06 Adhemerval Zanella
0 siblings, 0 replies; 2+ messages in thread
From: Adhemerval Zanella @ 2023-12-26 20:06 UTC (permalink / raw)
To: glibc-cvs
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=bd62e3fe20f2693342f861dfcceee61ed917d3a4
commit bd62e3fe20f2693342f861dfcceee61ed917d3a4
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Tue Dec 26 16:47:03 2023 -0300
math: Add test to check if trunc raise inexact floating-point exception
It is not allowed anymore on ISO C23.
Diff:
---
math/Makefile | 3 ++-
math/test-trunc-expect-2.c | 67 ++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 69 insertions(+), 1 deletion(-)
diff --git a/math/Makefile b/math/Makefile
index c87f9e83d1..88459dd5a6 100644
--- a/math/Makefile
+++ b/math/Makefile
@@ -241,7 +241,7 @@ tests = test-matherr-3 test-fenv basic-test \
test-fenv-tls test-fenv-preserve test-fenv-return \
test-nearbyint-except test-fenv-clear \
test-nearbyint-except-2 test-signgam-uchar test-signgam-uchar-init \
- test-ceil-except-2 test-floor-except-2 \
+ test-ceil-except-2 test-floor-except-2 test-trunc-expect-2 \
test-signgam-uint test-signgam-uint-init test-signgam-ullong \
test-signgam-ullong-init test-nan-overflow test-nan-payload \
test-fexcept test-fexcept-traps test-fesetexcept \
@@ -466,6 +466,7 @@ CFLAGS-test-nan-const.c += -fno-builtin
CFLAGS-test-ceil-except-2.c += -fno-builtin
CFLAGS-test-floor-except-2.c += -fno-builtin
+CFLAGS-test-trunc-except-2.c += -fno-builtin
include ../Rules
diff --git a/math/test-trunc-expect-2.c b/math/test-trunc-expect-2.c
new file mode 100644
index 0000000000..29716efc0b
--- /dev/null
+++ b/math/test-trunc-expect-2.c
@@ -0,0 +1,67 @@
+/* Test trunc functions do not disable exception traps.
+ Copyright (C) 2023 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
+ <https://www.gnu.org/licenses/>. */
+
+#include <fenv.h>
+#include <math.h>
+#include <stdio.h>
+
+#ifndef FE_INEXACT
+# define FE_INEXACT 0
+#endif
+
+#define TEST_FUNC(NAME, FLOAT, SUFFIX) \
+static int \
+NAME (void) \
+{ \
+ int result = 0; \
+ volatile FLOAT a, b __attribute__ ((unused)); \
+ a = 1.5; \
+ /* trunc must work when traps on "inexact" are enabled. */ \
+ b = trunc ## SUFFIX (a); \
+ /* And it must have left those traps enabled. */ \
+ if (fegetexcept () == FE_INEXACT) \
+ puts ("PASS: " #FLOAT); \
+ else \
+ { \
+ puts ("FAIL: " #FLOAT); \
+ result = 1; \
+ } \
+ return result; \
+}
+
+TEST_FUNC (float_test, float, f)
+TEST_FUNC (double_test, double, )
+TEST_FUNC (ldouble_test, long double, l)
+
+static int
+do_test (void)
+{
+ if (feenableexcept (FE_INEXACT) == -1)
+ {
+ puts ("enabling FE_INEXACT traps failed, cannot test");
+ return 77;
+ }
+ int result = float_test ();
+ feenableexcept (FE_INEXACT);
+ result |= double_test ();
+ feenableexcept (FE_INEXACT);
+ result |= ldouble_test ();
+ return result;
+}
+
+#include <support/test-driver.c>
^ permalink raw reply [flat|nested] 2+ messages in thread* [glibc/azanella/mips-hw-fp-round] math: Add test to check if trunc raise inexact floating-point exception
@ 2023-12-27 13:23 Adhemerval Zanella
0 siblings, 0 replies; 2+ messages in thread
From: Adhemerval Zanella @ 2023-12-27 13:23 UTC (permalink / raw)
To: glibc-cvs
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3dd8f507d8f9a170251ac3c87103d71fe2b54373
commit 3dd8f507d8f9a170251ac3c87103d71fe2b54373
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Tue Dec 26 16:47:03 2023 -0300
math: Add test to check if trunc raise inexact floating-point exception
It is not allowed anymore on ISO C23.
Diff:
---
math/Makefile | 3 ++-
math/test-trunc-except-2.c | 67 ++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 69 insertions(+), 1 deletion(-)
diff --git a/math/Makefile b/math/Makefile
index c87f9e83d1..85a78f6b48 100644
--- a/math/Makefile
+++ b/math/Makefile
@@ -241,7 +241,7 @@ tests = test-matherr-3 test-fenv basic-test \
test-fenv-tls test-fenv-preserve test-fenv-return \
test-nearbyint-except test-fenv-clear \
test-nearbyint-except-2 test-signgam-uchar test-signgam-uchar-init \
- test-ceil-except-2 test-floor-except-2 \
+ test-ceil-except-2 test-floor-except-2 test-trunc-except-2 \
test-signgam-uint test-signgam-uint-init test-signgam-ullong \
test-signgam-ullong-init test-nan-overflow test-nan-payload \
test-fexcept test-fexcept-traps test-fesetexcept \
@@ -466,6 +466,7 @@ CFLAGS-test-nan-const.c += -fno-builtin
CFLAGS-test-ceil-except-2.c += -fno-builtin
CFLAGS-test-floor-except-2.c += -fno-builtin
+CFLAGS-test-trunc-except-2.c += -fno-builtin
include ../Rules
diff --git a/math/test-trunc-except-2.c b/math/test-trunc-except-2.c
new file mode 100644
index 0000000000..29716efc0b
--- /dev/null
+++ b/math/test-trunc-except-2.c
@@ -0,0 +1,67 @@
+/* Test trunc functions do not disable exception traps.
+ Copyright (C) 2023 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
+ <https://www.gnu.org/licenses/>. */
+
+#include <fenv.h>
+#include <math.h>
+#include <stdio.h>
+
+#ifndef FE_INEXACT
+# define FE_INEXACT 0
+#endif
+
+#define TEST_FUNC(NAME, FLOAT, SUFFIX) \
+static int \
+NAME (void) \
+{ \
+ int result = 0; \
+ volatile FLOAT a, b __attribute__ ((unused)); \
+ a = 1.5; \
+ /* trunc must work when traps on "inexact" are enabled. */ \
+ b = trunc ## SUFFIX (a); \
+ /* And it must have left those traps enabled. */ \
+ if (fegetexcept () == FE_INEXACT) \
+ puts ("PASS: " #FLOAT); \
+ else \
+ { \
+ puts ("FAIL: " #FLOAT); \
+ result = 1; \
+ } \
+ return result; \
+}
+
+TEST_FUNC (float_test, float, f)
+TEST_FUNC (double_test, double, )
+TEST_FUNC (ldouble_test, long double, l)
+
+static int
+do_test (void)
+{
+ if (feenableexcept (FE_INEXACT) == -1)
+ {
+ puts ("enabling FE_INEXACT traps failed, cannot test");
+ return 77;
+ }
+ int result = float_test ();
+ feenableexcept (FE_INEXACT);
+ result |= double_test ();
+ feenableexcept (FE_INEXACT);
+ result |= ldouble_test ();
+ return result;
+}
+
+#include <support/test-driver.c>
^ permalink raw reply [flat|nested] 2+ messages in thread
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2023-12-26 20:06 [glibc/azanella/mips-hw-fp-round] math: Add test to check if trunc raise inexact floating-point exception Adhemerval Zanella
2023-12-27 13:23 Adhemerval Zanella
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