frexp, tests: work around ICC bug with -zero

* m4/frexp.m4 (gl_FUNC_FREXP_WORKS): Compute -0.0 in a way that
works with more compilers.
* tests/minus-zero.h: New file.
* modules/ceilf-tests (Files): Include it.
* modules/ceill-tests (Files): Likewise.
* modules/floorf-tests (Files): Likewise.
* modules/floorl-tests (Files): Likewise.
* modules/frexp-nolibm-tests (Files): Likewise.
* modules/frexp-tests (Files): Likewise.
* modules/frexpl-nolibm-tests (Files): Likewise.
* modules/frexpl-tests (Files): Likewise.
* modules/isnan-tests (Files): Likewise.
* modules/isnand-nolibm-tests (Files): Likewise.
* modules/isnand-tests (Files): Likewise.
* modules/isnanf-nolibm-tests (Files): Likewise.
* modules/isnanf-tests (Files): Likewise.
* modules/isnanl-nolibm-tests (Files): Likewise.
* modules/isnanl-tests (Files): Likewise.
* modules/round-tests (Files): Likewise.
* modules/roundf-tests (Files): Likewise.
* modules/roundl-tests (Files): Likewise.
* modules/ldexpl-tests (Files): Likewise.
* modules/signbit-tests (Files): Likewise.
* modules/snprintf-posix-tests (Files): Likewise.
* modules/sprintf-posix-tests (Files): Likewise.
* modules/strtod-tests (Files): Likewise.
* modules/trunc-tests (Files): Likewise.
* modules/truncf-tests (Files): Likewise.
* modules/truncl-tests (Files): Likewise.
* modules/vsnprintf-posix-tests (Files): Likewise.
* modules/vsprintf-posix-tests (Files): Likewise.
* modules/vasnprintf-posix-tests (Files): Likewise.
* modules/vasprintf-posix-tests (Files): Likewise.
* tests/test-ceilf1.c (main): Use it.
* tests/test-ceill.c (main): Likewise.
* tests/test-floorf1.c (main): Likewise.
* tests/test-floorl.c (main): Likewise.
* tests/test-frexp.c (main): Likewise.
* tests/test-frexpl.c (main): Likewise.
* tests/test-isnan.c (main): Likewise.
* tests/test-isnand.h (main): Likewise.
* tests/test-isnanf.h (main): Likewise.
* tests/test-isnanl.h (main): Likewise.
* tests/test-ldexpl.c (main): Likewise.
* tests/test-round.c (main): Likewise.
* tests/test-roundf.c (main): Likewise.
* tests/test-roundl.c (main): Likewise.
* tests/test-signbit.c (test_signbitf, test_signbitd)
(test_signbitl): Likewise.
* tests/test-snprintf-posix.h (test_function): Likewise.
* tests/test-sprintf-posix.h (test_function): Likewise.
* tests/test-strtod.c (main): Likewise.
* tests/test-trunc1.c (main): Likewise.
* tests/test-truncf1.c (main): Likewise.
* tests/test-truncl.c (main): Likewise.

Signed-off-by: Eric Blake <eblake@redhat.com>

30 files changed, 32 insertions, 0 deletions

diff --git a/modules/ceilf-tests b/modules/ceilf-tests
index 09c9c7816b..040fd1bbf5 100644
--- a/modules/ceilf-tests
+++ b/modules/ceilf-tests
@@ -1,6 +1,7 @@
 Files:
 tests/test-ceilf1.c
 tests/test-ceilf2.c
+tests/minus-zero.h
 tests/nan.h
 tests/signature.h
 tests/macros.h
diff --git a/modules/ceill-tests b/modules/ceill-tests
index 48b9be301b..09ae4f32d4 100644
--- a/modules/ceill-tests
+++ b/modules/ceill-tests
@@ -1,5 +1,6 @@
 Files:
 tests/test-ceill.c
+tests/minus-zero.h
 tests/nan.h
 tests/signature.h
 tests/macros.h
diff --git a/modules/floorf-tests b/modules/floorf-tests
index 64b4e3c31e..3e9c045ef0 100644
--- a/modules/floorf-tests
+++ b/modules/floorf-tests
@@ -1,6 +1,7 @@
 Files:
 tests/test-floorf1.c
 tests/test-floorf2.c
+tests/minus-zero.h
 tests/nan.h
 tests/signature.h
 tests/macros.h
diff --git a/modules/floorl-tests b/modules/floorl-tests
index f7dd7bb80f..5273fb5a88 100644
--- a/modules/floorl-tests
+++ b/modules/floorl-tests
@@ -1,5 +1,6 @@
 Files:
 tests/test-floorl.c
+tests/minus-zero.h
 tests/nan.h
 tests/signature.h
 tests/macros.h
diff --git a/modules/frexp-nolibm-tests b/modules/frexp-nolibm-tests
index 2d761c063d..82ee57c879 100644
--- a/modules/frexp-nolibm-tests
+++ b/modules/frexp-nolibm-tests
@@ -1,5 +1,7 @@
 Files:
 tests/test-frexp.c
+tests/minus-zero.h
+tests/nan.h
 tests/signature.h
 tests/macros.h
 
diff --git a/modules/frexp-tests b/modules/frexp-tests
index 32a9ecae18..3f669f9353 100644
--- a/modules/frexp-tests
+++ b/modules/frexp-tests
@@ -1,5 +1,6 @@
 Files:
 tests/test-frexp.c
+tests/minus-zero.h
 tests/nan.h
 tests/signature.h
 tests/macros.h
diff --git a/modules/frexpl-nolibm-tests b/modules/frexpl-nolibm-tests
index d9f6d4da46..1648d95ab4 100644
--- a/modules/frexpl-nolibm-tests
+++ b/modules/frexpl-nolibm-tests
@@ -1,5 +1,7 @@
 Files:
 tests/test-frexpl.c
+tests/minus-zero.h
+tests/nan.h
 tests/signature.h
 tests/macros.h
 
diff --git a/modules/frexpl-tests b/modules/frexpl-tests
index 4eb2e4bd98..a944634af2 100644
--- a/modules/frexpl-tests
+++ b/modules/frexpl-tests
@@ -1,5 +1,6 @@
 Files:
 tests/test-frexpl.c
+tests/minus-zero.h
 tests/nan.h
 tests/signature.h
 tests/macros.h
diff --git a/modules/isnan-tests b/modules/isnan-tests
index a63b7cfd15..1bc2b7217a 100644
--- a/modules/isnan-tests
+++ b/modules/isnan-tests
@@ -1,5 +1,6 @@
 Files:
 tests/test-isnan.c
+tests/minus-zero.h
 tests/nan.h
 tests/macros.h
 
diff --git a/modules/isnand-nolibm-tests b/modules/isnand-nolibm-tests
index 2ce8b6c5a7..ee6f880d2f 100644
--- a/modules/isnand-nolibm-tests
+++ b/modules/isnand-nolibm-tests
@@ -1,6 +1,7 @@
 Files:
 tests/test-isnand-nolibm.c
 tests/test-isnand.h
+tests/minus-zero.h
 tests/nan.h
 tests/macros.h
 
diff --git a/modules/isnand-tests b/modules/isnand-tests
index b9964ccae7..a23ba4db67 100644
--- a/modules/isnand-tests
+++ b/modules/isnand-tests
@@ -1,6 +1,7 @@
 Files:
 tests/test-isnand.c
 tests/test-isnand.h
+tests/minus-zero.h
 tests/nan.h
 tests/macros.h
 
diff --git a/modules/isnanf-nolibm-tests b/modules/isnanf-nolibm-tests
index 6aab7e0727..ff89c1d6cb 100644
--- a/modules/isnanf-nolibm-tests
+++ b/modules/isnanf-nolibm-tests
@@ -1,6 +1,7 @@
 Files:
 tests/test-isnanf-nolibm.c
 tests/test-isnanf.h
+tests/minus-zero.h
 tests/nan.h
 tests/macros.h
 
diff --git a/modules/isnanf-tests b/modules/isnanf-tests
index 2c09485f7f..ba301df11e 100644
--- a/modules/isnanf-tests
+++ b/modules/isnanf-tests
@@ -1,6 +1,7 @@
 Files:
 tests/test-isnanf.c
 tests/test-isnanf.h
+tests/minus-zero.h
 tests/nan.h
 tests/macros.h
 
diff --git a/modules/isnanl-nolibm-tests b/modules/isnanl-nolibm-tests
index 6d2f08e43b..78427b4368 100644
--- a/modules/isnanl-nolibm-tests
+++ b/modules/isnanl-nolibm-tests
@@ -1,6 +1,7 @@
 Files:
 tests/test-isnanl-nolibm.c
 tests/test-isnanl.h
+tests/minus-zero.h
 tests/nan.h
 tests/macros.h
 
diff --git a/modules/isnanl-tests b/modules/isnanl-tests
index 5cff0dd732..68411fec1d 100644
--- a/modules/isnanl-tests
+++ b/modules/isnanl-tests
@@ -1,6 +1,7 @@
 Files:
 tests/test-isnanl.c
 tests/test-isnanl.h
+tests/minus-zero.h
 tests/nan.h
 tests/macros.h
 
diff --git a/modules/ldexpl-tests b/modules/ldexpl-tests
index 3c4f251cb1..223175f611 100644
--- a/modules/ldexpl-tests
+++ b/modules/ldexpl-tests
@@ -1,5 +1,6 @@
 Files:
 tests/test-ldexpl.c
+tests/minus-zero.h
 tests/nan.h
 tests/signature.h
 tests/macros.h
diff --git a/modules/round-tests b/modules/round-tests
index b52890cd4b..9e154c8cc1 100644
--- a/modules/round-tests
+++ b/modules/round-tests
@@ -1,6 +1,7 @@
 Files:
 tests/test-round1.c
 tests/test-round2.c
+tests/minus-zero.h
 tests/nan.h
 tests/signature.h
 tests/macros.h
diff --git a/modules/roundf-tests b/modules/roundf-tests
index 8d99ab91a2..7ee4178f3e 100644
--- a/modules/roundf-tests
+++ b/modules/roundf-tests
@@ -2,6 +2,7 @@ Files:
 tests/test-roundf1.c
 tests/test-round2.c
 tests/test-roundf2.c
+tests/minus-zero.h
 tests/nan.h
 tests/signature.h
 tests/macros.h
diff --git a/modules/roundl-tests b/modules/roundl-tests
index bd1b5c90b6..f9bd46727e 100644
--- a/modules/roundl-tests
+++ b/modules/roundl-tests
@@ -1,5 +1,6 @@
 Files:
 tests/test-roundl.c
+tests/minus-zero.h
 tests/nan.h
 tests/signature.h
 tests/macros.h
diff --git a/modules/signbit-tests b/modules/signbit-tests
index 10d7d7b51e..b8247652f2 100644
--- a/modules/signbit-tests
+++ b/modules/signbit-tests
@@ -1,5 +1,6 @@
 Files:
 tests/test-signbit.c
+tests/minus-zero.h
 tests/macros.h
 m4/exponentf.m4
 m4/exponentd.m4
diff --git a/modules/snprintf-posix-tests b/modules/snprintf-posix-tests
index 4448cf521c..9a5c3ab7cb 100644
--- a/modules/snprintf-posix-tests
+++ b/modules/snprintf-posix-tests
@@ -2,6 +2,7 @@ Files:
 tests/test-snprintf-posix.c
 tests/test-snprintf-posix.h
 tests/test-snprintf.c
+tests/minus-zero.h
 tests/nan.h
 tests/signature.h
 tests/macros.h
diff --git a/modules/sprintf-posix-tests b/modules/sprintf-posix-tests
index f6e4ce0f56..333c5844be 100644
--- a/modules/sprintf-posix-tests
+++ b/modules/sprintf-posix-tests
@@ -1,6 +1,7 @@
 Files:
 tests/test-sprintf-posix.c
 tests/test-sprintf-posix.h
+tests/minus-zero.h
 tests/nan.h
 tests/signature.h
 tests/macros.h
diff --git a/modules/strtod-tests b/modules/strtod-tests
index bea7825e77..38aebe802e 100644
--- a/modules/strtod-tests
+++ b/modules/strtod-tests
@@ -1,6 +1,7 @@
 Files:
 tests/test-strtod.c
 tests/signature.h
+tests/minus-zero.h
 tests/macros.h
 
 Depends-on:
diff --git a/modules/trunc-tests b/modules/trunc-tests
index ce1e979964..6c254e0692 100644
--- a/modules/trunc-tests
+++ b/modules/trunc-tests
@@ -1,6 +1,7 @@
 Files:
 tests/test-trunc1.c
 tests/test-trunc2.c
+tests/minus-zero.h
 tests/nan.h
 tests/signature.h
 tests/macros.h
diff --git a/modules/truncf-tests b/modules/truncf-tests
index 746950d14b..27b93f2a2a 100644
--- a/modules/truncf-tests
+++ b/modules/truncf-tests
@@ -1,6 +1,7 @@
 Files:
 tests/test-truncf1.c
 tests/test-truncf2.c
+tests/minus-zero.h
 tests/nan.h
 tests/signature.h
 tests/macros.h
diff --git a/modules/truncl-tests b/modules/truncl-tests
index 6056a642e5..01bcf73921 100644
--- a/modules/truncl-tests
+++ b/modules/truncl-tests
@@ -1,5 +1,6 @@
 Files:
 tests/test-truncl.c
+tests/minus-zero.h
 tests/nan.h
 tests/signature.h
 tests/macros.h
diff --git a/modules/vasnprintf-posix-tests b/modules/vasnprintf-posix-tests
index 5320d88b35..e281d262e6 100644
--- a/modules/vasnprintf-posix-tests
+++ b/modules/vasnprintf-posix-tests
@@ -2,6 +2,7 @@ Files:
 tests/test-vasnprintf-posix.c
 tests/test-vasnprintf-posix2.sh
 tests/test-vasnprintf-posix2.c
+tests/minus-zero.h
 tests/nan.h
 tests/macros.h
 m4/locale-fr.m4
diff --git a/modules/vasprintf-posix-tests b/modules/vasprintf-posix-tests
index 4be9c2b3ad..8702bdcbde 100644
--- a/modules/vasprintf-posix-tests
+++ b/modules/vasprintf-posix-tests
@@ -1,5 +1,6 @@
 Files:
 tests/test-vasprintf-posix.c
+tests/minus-zero.h
 tests/nan.h
 tests/macros.h
 
diff --git a/modules/vsnprintf-posix-tests b/modules/vsnprintf-posix-tests
index 530e57ca66..687d28d449 100644
--- a/modules/vsnprintf-posix-tests
+++ b/modules/vsnprintf-posix-tests
@@ -2,6 +2,7 @@ Files:
 tests/test-vsnprintf-posix.c
 tests/test-snprintf-posix.h
 tests/test-vsnprintf.c
+tests/minus-zero.h
 tests/nan.h
 tests/signature.h
 tests/macros.h
diff --git a/modules/vsprintf-posix-tests b/modules/vsprintf-posix-tests
index 7b5412ff85..2f04f875a8 100644
--- a/modules/vsprintf-posix-tests
+++ b/modules/vsprintf-posix-tests
@@ -1,6 +1,7 @@
 Files:
 tests/test-vsprintf-posix.c
 tests/test-sprintf-posix.h
+tests/minus-zero.h
 tests/nan.h
 tests/signature.h
 tests/macros.h