Module Name: src
Committed By: maya
Date: Fri Apr 26 08:52:16 UTC 2019
Modified Files:
src/distrib/sets/lists/debug: mi
src/distrib/sets/lists/tests: mi
src/tests/lib/libm: Makefile
Added Files:
src/tests/lib/libm: t_bit.c
Log Message:
Add a test case for signbit.
(paranoia prior to a libm change)
To generate a diff of this commit:
cvs rdiff -u -r1.282 -r1.283 src/distrib/sets/lists/debug/mi
cvs rdiff -u -r1.811 -r1.812 src/distrib/sets/lists/tests/mi
cvs rdiff -u -r1.45 -r1.46 src/tests/lib/libm/Makefile
cvs rdiff -u -r0 -r1.1 src/tests/lib/libm/t_bit.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/distrib/sets/lists/debug/mi
diff -u src/distrib/sets/lists/debug/mi:1.282 src/distrib/sets/lists/debug/mi:1.283
--- src/distrib/sets/lists/debug/mi:1.282 Wed Apr 24 11:43:20 2019
+++ src/distrib/sets/lists/debug/mi Fri Apr 26 08:52:16 2019
@@ -1,4 +1,4 @@
-# $NetBSD: mi,v 1.282 2019/04/24 11:43:20 kamil Exp $
+# $NetBSD: mi,v 1.283 2019/04/26 08:52:16 maya Exp $
./etc/mtree/set.debug comp-sys-root
./usr/lib comp-sys-usr compatdir
./usr/lib/i18n/libBIG5_g.a comp-c-debuglib debuglib,compatfile
@@ -2202,6 +2202,7 @@
./usr/libdata/debug/usr/tests/lib/libm/t_acos.debug tests-lib-debug debug,atf,compattestfile
./usr/libdata/debug/usr/tests/lib/libm/t_asin.debug tests-lib-debug debug,atf,compattestfile
./usr/libdata/debug/usr/tests/lib/libm/t_atan.debug tests-lib-debug debug,atf,compattestfile
+./usr/libdata/debug/usr/tests/lib/libm/t_bit.debug tests-lib-debug debug,atf,compattestfile
./usr/libdata/debug/usr/tests/lib/libm/t_cabsl.debug tests-lib-debug debug,atf,compattestfile
./usr/libdata/debug/usr/tests/lib/libm/t_casinh.debug tests-lib-debug debug,atf,compattestfile
./usr/libdata/debug/usr/tests/lib/libm/t_cbrt.debug tests-lib-debug debug,atf,compattestfile
Index: src/distrib/sets/lists/tests/mi
diff -u src/distrib/sets/lists/tests/mi:1.811 src/distrib/sets/lists/tests/mi:1.812
--- src/distrib/sets/lists/tests/mi:1.811 Wed Apr 24 11:43:20 2019
+++ src/distrib/sets/lists/tests/mi Fri Apr 26 08:52:16 2019
@@ -1,4 +1,4 @@
-# $NetBSD: mi,v 1.811 2019/04/24 11:43:20 kamil Exp $
+# $NetBSD: mi,v 1.812 2019/04/26 08:52:16 maya Exp $
#
# Note: don't delete entries from here - mark them as "obsolete" instead.
#
@@ -3036,6 +3036,7 @@
./usr/tests/lib/libm/t_acos tests-lib-tests compattestfile,atf
./usr/tests/lib/libm/t_asin tests-lib-tests compattestfile,atf
./usr/tests/lib/libm/t_atan tests-lib-tests compattestfile,atf
+./usr/tests/lib/libm/t_bit tests-lib-tests compattestfile,atf
./usr/tests/lib/libm/t_cabsl tests-lib-tests compattestfile,atf
./usr/tests/lib/libm/t_casinh tests-lib-tests compattestfile,atf
./usr/tests/lib/libm/t_cbrt tests-lib-tests compattestfile,atf
Index: src/tests/lib/libm/Makefile
diff -u src/tests/lib/libm/Makefile:1.45 src/tests/lib/libm/Makefile:1.46
--- src/tests/lib/libm/Makefile:1.45 Wed Nov 7 03:56:18 2018
+++ src/tests/lib/libm/Makefile Fri Apr 26 08:52:16 2019
@@ -1,4 +1,4 @@
-# $NetBSD: Makefile,v 1.45 2018/11/07 03:56:18 riastradh Exp $
+# $NetBSD: Makefile,v 1.46 2019/04/26 08:52:16 maya Exp $
.include <bsd.own.mk>
@@ -18,6 +18,7 @@ CPPFLAGS.t_fmod.c+= -I${.CURDIR}/../libc
TESTS_C+= t_acos
TESTS_C+= t_asin
TESTS_C+= t_atan
+TESTS_C+= t_bit
TESTS_C+= t_casinh
TESTS_C+= t_cbrt
TESTS_C+= t_ceil
Added files:
Index: src/tests/lib/libm/t_bit.c
diff -u /dev/null src/tests/lib/libm/t_bit.c:1.1
--- /dev/null Fri Apr 26 08:52:16 2019
+++ src/tests/lib/libm/t_bit.c Fri Apr 26 08:52:16 2019
@@ -0,0 +1,102 @@
+/* $NetBSD: t_bit.c,v 1.1 2019/04/26 08:52:16 maya Exp $ */
+
+/*
+ * Written by Maya Rashish <[email protected]>
+ * Public domain.
+ *
+ * Testing signbit{,f,l} function correctly
+ */
+
+#include <atf-c.h>
+#include <float.h>
+#include <math.h>
+#include <stdio.h>
+#include <stdint.h>
+#include <stdbool.h>
+
+static const struct {
+ double input;
+ bool is_negative;
+} values[] = {
+ { -1, true},
+ { -123, true},
+ { -123E6, true},
+#ifdef INFINITY
+ { -INFINITY, true},
+ { INFINITY, false},
+#endif
+ { 123E6, false},
+ { 0, false},
+ { -FLT_MIN, true},
+ { FLT_MIN, false},
+ /*
+ * Cannot be accurately represented as float,
+ * but sign should be preserved
+ */
+ { DBL_MAX, false},
+ { -DBL_MAX, true},
+};
+
+#ifdef __HAVE_LONG_DOUBLE
+static const struct {
+ long double input;
+ bool is_negative;
+} ldbl_values[] = {
+ { -LDBL_MIN, true},
+ { LDBL_MIN, false},
+ { LDBL_MAX, false},
+ { -LDBL_MAX, true},
+};
+#endif
+
+ATF_TC(signbit);
+ATF_TC_HEAD(signbit, tc)
+{
+ atf_tc_set_md_var(tc, "descr","Check that signbit functions correctly");
+}
+
+ATF_TC_BODY(signbit, tc)
+{
+ double iterator_d;
+ float iterator_f;
+
+ for (unsigned int i = 0; i < __arraycount(values); i++) {
+ iterator_d = values[i].input;
+ iterator_f = (float) values[i].input;
+ if (signbit(iterator_f) != values[i].is_negative)
+ atf_tc_fail("%s:%d iteration %d signbitf is wrong"
+ " about the sign of %f", __func__,
+ __LINE__, i, iterator_f);
+ if (signbit(iterator_d) != values[i].is_negative)
+ atf_tc_fail("%s:%d iteration %d signbit is wrong"
+ "about the sign of %f", __func__,
+ __LINE__,i, iterator_d);
+
+#ifdef __HAVE_LONG_DOUBLE
+ long double iterator_l = values[i].input;
+ if (signbit(iterator_l) != values[i].is_negative)
+ atf_tc_fail("%s:%d iteration %d signbitl is wrong"
+ " about the sign of %Lf", __func__,
+ __LINE__, i, iterator_l);
+#endif
+ }
+
+#ifdef __HAVE_LONG_DOUBLE
+ for (unsigned int i = 0; i < __arraycount(ldbl_values); i++) {
+ if (signbit(ldbl_values[i].input) != ldbl_values[i].is_negative)
+ atf_tc_fail("%s:%d iteration %d signbitl is"
+ "wrong about the sign of %Lf",
+ __func__, __LINE__, i,
+ ldbl_values[i].input);
+ }
+#endif
+
+}
+
+ATF_TP_ADD_TCS(tp)
+{
+
+ ATF_TP_ADD_TC(tp, signbit);
+
+ return atf_no_error();
+}
