From: Bruno Haible <bruno@clisp.org>
Date: Fri, 13 Oct 2023 11:05:06 +0000 (+0200)
Subject: signed-nan: New module, renamed from qnan.
X-Git-Tag: v1.0~711
X-Git-Url: https://gitweb.git.savannah.gnu.org/gitweb/?a=commitdiff_plain;h=80f9860e2631345d5e0078f184307dbd6bdf905b;p=gnulib.git

signed-nan: New module, renamed from qnan.

* lib/signed-nan.h: Renamed from lib/qnan.h. Update double-inclusion
guard.
* modules/signed-nan: Renamed from modules/qnan. Update.
* tests/test-signbit.c: Update.
* tests/test-stdio.c: Likewise.
* tests/test-totalorder.c: Likewise.
* modules/*-tests: Update.
---

diff --git a/ChangeLog b/ChangeLog
index 0a4be95ecf..7a06938f21 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,14 @@
+2023-10-13  Bruno Haible  <bruno@clisp.org>
+
+	signed-nan: New module, renamed from qnan.
+	* lib/signed-nan.h: Renamed from lib/qnan.h. Update double-inclusion
+	guard.
+	* modules/signed-nan: Renamed from modules/qnan. Update.
+	* tests/test-signbit.c: Update.
+	* tests/test-stdio.c: Likewise.
+	* tests/test-totalorder.c: Likewise.
+	* modules/*-tests: Update.
+
 2023-10-13  Bruno Haible  <bruno@clisp.org>
 
 	access: Fix test failure on native Windows.
diff --git a/lib/qnan.h b/lib/qnan.h
deleted file mode 100644
index e6538c227e..0000000000
--- a/lib/qnan.h
+++ /dev/null
@@ -1,88 +0,0 @@
-/* Macros for quiet not-a-number.
-   Copyright (C) 2023 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 <https://www.gnu.org/licenses/>.  */
-
-#ifndef _QNAN_H
-#define _QNAN_H
-
-#include <math.h>
-
-#include "nan.h"
-
-
-/* Returns a quiet 'float' NaN with sign bit == 0.  */
-_GL_UNUSED static float
-positive_NaNf ()
-{
-  /* 'volatile' works around a GCC bug:
-     <https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111655>  */
-  float volatile nan = NaNf ();
-  return (signbit (nan) ? - nan : nan);
-}
-
-/* Returns a quiet 'float' NaN with sign bit == 1.  */
-_GL_UNUSED static float
-negative_NaNf ()
-{
-  /* 'volatile' works around a GCC bug:
-     <https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111655>  */
-  float volatile nan = NaNf ();
-  return (signbit (nan) ? nan : - nan);
-}
-
-
-/* Returns a quiet 'double' NaN with sign bit == 0.  */
-_GL_UNUSED static double
-positive_NaNd ()
-{
-  /* 'volatile' works around a GCC bug:
-     <https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111655>  */
-  double volatile nan = NaNd ();
-  return (signbit (nan) ? - nan : nan);
-}
-
-/* Returns a quiet 'double' NaN with sign bit == 1.  */
-_GL_UNUSED static double
-negative_NaNd ()
-{
-  /* 'volatile' works around a GCC bug:
-     <https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111655>  */
-  double volatile nan = NaNd ();
-  return (signbit (nan) ? nan : - nan);
-}
-
-
-/* Returns a quiet 'long double' NaN with sign bit == 0.  */
-_GL_UNUSED static long double
-positive_NaNl ()
-{
-  /* 'volatile' works around a GCC bug:
-     <https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111655>  */
-  long double volatile nan = NaNl ();
-  return (signbit (nan) ? - nan : nan);
-}
-
-/* Returns a quiet 'long double' NaN with sign bit == 1.  */
-_GL_UNUSED static long double
-negative_NaNl ()
-{
-  /* 'volatile' works around a GCC bug:
-     <https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111655>  */
-  long double volatile nan = NaNl ();
-  return (signbit (nan) ? nan : - nan);
-}
-
-
-#endif /* _QNAN_H */
diff --git a/lib/signed-nan.h b/lib/signed-nan.h
new file mode 100644
index 0000000000..1018b58cd0
--- /dev/null
+++ b/lib/signed-nan.h
@@ -0,0 +1,88 @@
+/* Macros for quiet not-a-number.
+   Copyright (C) 2023 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 <https://www.gnu.org/licenses/>.  */
+
+#ifndef _SIGNED_NAN_H
+#define _SIGNED_NAN_H
+
+#include <math.h>
+
+#include "nan.h"
+
+
+/* Returns a quiet 'float' NaN with sign bit == 0.  */
+_GL_UNUSED static float
+positive_NaNf ()
+{
+  /* 'volatile' works around a GCC bug:
+     <https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111655>  */
+  float volatile nan = NaNf ();
+  return (signbit (nan) ? - nan : nan);
+}
+
+/* Returns a quiet 'float' NaN with sign bit == 1.  */
+_GL_UNUSED static float
+negative_NaNf ()
+{
+  /* 'volatile' works around a GCC bug:
+     <https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111655>  */
+  float volatile nan = NaNf ();
+  return (signbit (nan) ? nan : - nan);
+}
+
+
+/* Returns a quiet 'double' NaN with sign bit == 0.  */
+_GL_UNUSED static double
+positive_NaNd ()
+{
+  /* 'volatile' works around a GCC bug:
+     <https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111655>  */
+  double volatile nan = NaNd ();
+  return (signbit (nan) ? - nan : nan);
+}
+
+/* Returns a quiet 'double' NaN with sign bit == 1.  */
+_GL_UNUSED static double
+negative_NaNd ()
+{
+  /* 'volatile' works around a GCC bug:
+     <https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111655>  */
+  double volatile nan = NaNd ();
+  return (signbit (nan) ? nan : - nan);
+}
+
+
+/* Returns a quiet 'long double' NaN with sign bit == 0.  */
+_GL_UNUSED static long double
+positive_NaNl ()
+{
+  /* 'volatile' works around a GCC bug:
+     <https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111655>  */
+  long double volatile nan = NaNl ();
+  return (signbit (nan) ? - nan : nan);
+}
+
+/* Returns a quiet 'long double' NaN with sign bit == 1.  */
+_GL_UNUSED static long double
+negative_NaNl ()
+{
+  /* 'volatile' works around a GCC bug:
+     <https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111655>  */
+  long double volatile nan = NaNl ();
+  return (signbit (nan) ? nan : - nan);
+}
+
+
+#endif /* _SIGNED_NAN_H */
diff --git a/modules/qnan b/modules/qnan
deleted file mode 100644
index fd3cbb5097..0000000000
--- a/modules/qnan
+++ /dev/null
@@ -1,25 +0,0 @@
-Description:
-Macros for quiet not-a-number.
-
-Files:
-lib/qnan.h
-
-Depends-on:
-nan
-signbit
-
-configure.ac:
-
-Makefile.am:
-lib_SOURCES += qnan.h
-
-Include:
-"qnan.h"
-
-Link:
-
-License:
-GPL
-
-Maintainer:
-all
diff --git a/modules/signbit-tests b/modules/signbit-tests
index c491d7c885..20b18efdf0 100644
--- a/modules/signbit-tests
+++ b/modules/signbit-tests
@@ -6,7 +6,7 @@ tests/macros.h
 
 Depends-on:
 float
-qnan
+signed-nan
 snan
 
 configure.ac:
diff --git a/modules/signed-nan b/modules/signed-nan
new file mode 100644
index 0000000000..f544a6c58c
--- /dev/null
+++ b/modules/signed-nan
@@ -0,0 +1,25 @@
+Description:
+Macros for quiet not-a-number.
+
+Files:
+lib/signed-nan.h
+
+Depends-on:
+nan
+signbit
+
+configure.ac:
+
+Makefile.am:
+lib_SOURCES += signed-nan.h
+
+Include:
+"signed-nan.h"
+
+Link:
+
+License:
+GPL
+
+Maintainer:
+all
diff --git a/modules/stdio-tests b/modules/stdio-tests
index 5f94d3961d..a24433f511 100644
--- a/modules/stdio-tests
+++ b/modules/stdio-tests
@@ -5,7 +5,7 @@ m4/exponentd.m4
 
 Depends-on:
 assert-h
-qnan
+signed-nan
 snan
 stdio-c++-tests
 fgetc-tests
diff --git a/modules/totalorder-tests b/modules/totalorder-tests
index 5ff4c752f0..3741b88d4c 100644
--- a/modules/totalorder-tests
+++ b/modules/totalorder-tests
@@ -5,7 +5,7 @@ tests/infinity.h
 tests/macros.h
 
 Depends-on:
-qnan
+signed-nan
 
 configure.ac:
 
diff --git a/modules/totalorderf-tests b/modules/totalorderf-tests
index 7e2e7938f6..f2801f496f 100644
--- a/modules/totalorderf-tests
+++ b/modules/totalorderf-tests
@@ -6,7 +6,7 @@ tests/infinity.h
 tests/macros.h
 
 Depends-on:
-qnan
+signed-nan
 
 configure.ac:
 
diff --git a/modules/totalorderl-tests b/modules/totalorderl-tests
index 1b6ca5200f..fa25c3e301 100644
--- a/modules/totalorderl-tests
+++ b/modules/totalorderl-tests
@@ -6,7 +6,7 @@ tests/infinity.h
 tests/macros.h
 
 Depends-on:
-qnan
+signed-nan
 
 configure.ac:
 
diff --git a/tests/test-signbit.c b/tests/test-signbit.c
index f89fdf6d05..35b845c6c3 100644
--- a/tests/test-signbit.c
+++ b/tests/test-signbit.c
@@ -30,7 +30,7 @@
 
 #include "minus-zero.h"
 #include "infinity.h"
-#include "qnan.h"
+#include "signed-nan.h"
 #include "snan.h"
 #include "macros.h"
 
diff --git a/tests/test-stdio.c b/tests/test-stdio.c
index cc44250150..6bd100edae 100644
--- a/tests/test-stdio.c
+++ b/tests/test-stdio.c
@@ -39,7 +39,7 @@ va_list t5;
 
 #include <string.h>
 
-#include "qnan.h"
+#include "signed-nan.h"
 #include "snan.h"
 #include "macros.h"
 
diff --git a/tests/test-totalorder.c b/tests/test-totalorder.c
index b63c7c2211..af903c68b5 100644
--- a/tests/test-totalorder.c
+++ b/tests/test-totalorder.c
@@ -21,7 +21,7 @@
 #include "infinity.h"
 #include "macros.h"
 #include "minus-zero.h"
-#include "qnan.h"
+#include "signed-nan.h"
 
 #ifndef TOTALORDER
 # define TOTALORDER totalorder