NetBSD has intentionally buggy implementations for <math.h> 'long double'
functions:
http://cvsweb.netbsd.org/bsdweb.cgi/src/lib/libm/src/ldbl_dummy.c?only_with_tag=MAIN
This patch documents it in Gnulib.
2024-01-18 Bruno Haible <br...@clisp.org>
doc: Update regarding <math.h> *l functions on NetBSD 9.3.
* doc/posix-functions/acoshl.texi: Mention the buggy implementation on
NetBSD.
* doc/posix-functions/acosl.texi: Likewise.
* doc/posix-functions/asinhl.texi: Likewise.
* doc/posix-functions/asinl.texi: Likewise.
* doc/posix-functions/atan2l.texi: Likewise.
* doc/posix-functions/atanhl.texi: Likewise.
* doc/posix-functions/atanl.texi: Likewise.
* doc/posix-functions/coshl.texi: Likewise.
* doc/posix-functions/cosl.texi: Likewise.
* doc/posix-functions/erfcl.texi: Likewise.
* doc/posix-functions/erfl.texi: Likewise.
* doc/posix-functions/powl.texi: Likewise.
* doc/posix-functions/sinhl.texi: Likewise.
* doc/posix-functions/sinl.texi: Likewise.
* doc/posix-functions/tanhl.texi: Likewise.
* doc/posix-functions/tanl.texi: Likewise.
* doc/posix-functions/expl.texi: Update NetBSD version info.
* doc/posix-functions/exp2l.texi: Likewise.
* doc/posix-functions/hypotl.texi: Likewise.
* doc/posix-functions/logl.texi: Likewise.
* doc/posix-functions/log10l.texi: Likewise.
* m4/expl.m4 (gl_FUNC_EXPL): Update comments.
* m4/exp2l.m4 (gl_FUNC_EXP2L): Likewise.
* m4/hypotl.m4 (gl_FUNC_HYPOTL_WORKS): Likewise.
* m4/logl.m4 (gl_FUNC_LOGL_WORKS): Likewise.
* m4/log10l.m4 (gl_FUNC_LOG10L_WORKS): Likewise.
diff --git a/doc/posix-functions/acoshl.texi b/doc/posix-functions/acoshl.texi
index fea836748a..e28845218c 100644
--- a/doc/posix-functions/acoshl.texi
+++ b/doc/posix-functions/acoshl.texi
@@ -15,4 +15,8 @@
@item
This function is missing on some platforms:
FreeBSD 6.0, NetBSD 5.0, OpenBSD 3.8, Minix 3.1.8, AIX 5.1, HP-UX 11, IRIX
6.5, Solaris 9, Cygwin 1.7.x, mingw, MSVC 9, Android 4.4.
+@item
+This function produces results which are accurate to only 16 digits on some
+platforms:
+NetBSD 9.3.
@end itemize
diff --git a/doc/posix-functions/acosl.texi b/doc/posix-functions/acosl.texi
index 8d6edd6649..2743bc8654 100644
--- a/doc/posix-functions/acosl.texi
+++ b/doc/posix-functions/acosl.texi
@@ -18,4 +18,8 @@
Portability problems not fixed by Gnulib:
@itemize
+@item
+This function produces results which are accurate to only 16 digits on some
+platforms:
+NetBSD 9.3.
@end itemize
diff --git a/doc/posix-functions/asinhl.texi b/doc/posix-functions/asinhl.texi
index 2064224a45..06dbcd6f60 100644
--- a/doc/posix-functions/asinhl.texi
+++ b/doc/posix-functions/asinhl.texi
@@ -15,4 +15,8 @@
@item
This function is missing on some platforms:
FreeBSD 6.0, NetBSD 5.0, OpenBSD 3.8, Minix 3.1.8, AIX 5.1, HP-UX 11, IRIX
6.5, Solaris 9, Cygwin 1.7.x, mingw, MSVC 9, Android 4.4.
+@item
+This function produces results which are accurate to only 16 digits on some
+platforms:
+NetBSD 9.3.
@end itemize
diff --git a/doc/posix-functions/asinl.texi b/doc/posix-functions/asinl.texi
index a105faa603..4caf46db51 100644
--- a/doc/posix-functions/asinl.texi
+++ b/doc/posix-functions/asinl.texi
@@ -18,4 +18,8 @@
Portability problems not fixed by Gnulib:
@itemize
+@item
+This function produces results which are accurate to only 16 digits on some
+platforms:
+NetBSD 9.3.
@end itemize
diff --git a/doc/posix-functions/atan2l.texi b/doc/posix-functions/atan2l.texi
index b9f93b5c63..170e5088cc 100644
--- a/doc/posix-functions/atan2l.texi
+++ b/doc/posix-functions/atan2l.texi
@@ -18,4 +18,8 @@
@item
This function is only defined as a macro with arguments on some platforms:
MSVC 14.
+@item
+This function produces results which are accurate to only 16 digits on some
+platforms:
+NetBSD 9.3.
@end itemize
diff --git a/doc/posix-functions/atanhl.texi b/doc/posix-functions/atanhl.texi
index f0c51d221a..5d66dc7f1a 100644
--- a/doc/posix-functions/atanhl.texi
+++ b/doc/posix-functions/atanhl.texi
@@ -15,4 +15,8 @@
@item
This function is missing on some platforms:
FreeBSD 6.0, NetBSD 5.0, OpenBSD 3.8, Minix 3.1.8, AIX 5.1, HP-UX 11, IRIX
6.5, Solaris 9, Cygwin 1.7.x, mingw, MSVC 9, Android 4.4.
+@item
+This function produces results which are accurate to only 16 digits on some
+platforms:
+NetBSD 9.3.
@end itemize
diff --git a/doc/posix-functions/atanl.texi b/doc/posix-functions/atanl.texi
index 3cf3b8864a..4cf373462a 100644
--- a/doc/posix-functions/atanl.texi
+++ b/doc/posix-functions/atanl.texi
@@ -18,4 +18,8 @@
Portability problems not fixed by Gnulib:
@itemize
+@item
+This function produces results which are accurate to only 16 digits on some
+platforms:
+NetBSD 9.3.
@end itemize
diff --git a/doc/posix-functions/coshl.texi b/doc/posix-functions/coshl.texi
index 11eedd2514..9b9ba55466 100644
--- a/doc/posix-functions/coshl.texi
+++ b/doc/posix-functions/coshl.texi
@@ -18,4 +18,8 @@
@item
This function is only defined as a macro with arguments on some platforms:
MSVC 14.
+@item
+This function produces results which are accurate to only 16 digits on some
+platforms:
+NetBSD 9.3.
@end itemize
diff --git a/doc/posix-functions/cosl.texi b/doc/posix-functions/cosl.texi
index fe1382a98c..4263fc13b5 100644
--- a/doc/posix-functions/cosl.texi
+++ b/doc/posix-functions/cosl.texi
@@ -18,4 +18,8 @@
Portability problems not fixed by Gnulib:
@itemize
+@item
+This function produces results which are accurate to only 16 digits on some
+platforms:
+NetBSD 9.3.
@end itemize
diff --git a/doc/posix-functions/erfcl.texi b/doc/posix-functions/erfcl.texi
index df7541ca03..f8f3f603bb 100644
--- a/doc/posix-functions/erfcl.texi
+++ b/doc/posix-functions/erfcl.texi
@@ -15,4 +15,8 @@
@item
This function is missing on some platforms:
FreeBSD 6.0, NetBSD 7.1, OpenBSD 3.8, Minix 3.1.8, HP-UX 11, IRIX 6.5, Solaris
9, Cygwin 1.7.x, mingw, MSVC 9, Android 4.4.
+@item
+This function produces results which are accurate to only 16 digits on some
+platforms:
+NetBSD 9.3.
@end itemize
diff --git a/doc/posix-functions/erfl.texi b/doc/posix-functions/erfl.texi
index a41910c183..6362a7a2ee 100644
--- a/doc/posix-functions/erfl.texi
+++ b/doc/posix-functions/erfl.texi
@@ -15,4 +15,8 @@
@item
This function is missing on some platforms:
FreeBSD 6.0, NetBSD 7.1, OpenBSD 3.8, Minix 3.1.8, HP-UX 11, IRIX 6.5, Solaris
9, Cygwin 1.7.x, mingw, MSVC 9, Android 4.4.
+@item
+This function produces results which are accurate to only 16 digits on some
+platforms:
+NetBSD 9.3.
@end itemize
diff --git a/doc/posix-functions/exp2l.texi b/doc/posix-functions/exp2l.texi
index 37729a6301..66257d0870 100644
--- a/doc/posix-functions/exp2l.texi
+++ b/doc/posix-functions/exp2l.texi
@@ -17,7 +17,7 @@
@item
This function produces results which are accurate to only 16 digits on some
platforms:
-NetBSD 9.0.
+NetBSD 9.3.
@end itemize
Portability problems fixed by Gnulib module @code{exp2l-ieee}:
diff --git a/doc/posix-functions/expl.texi b/doc/posix-functions/expl.texi
index f70589f29e..5dfb045960 100644
--- a/doc/posix-functions/expl.texi
+++ b/doc/posix-functions/expl.texi
@@ -23,7 +23,7 @@
@item
This function produces results which are accurate to only 16 digits on some
platforms:
-musl libc 1.2.2/arm64, musl libc 1.2.2/s390x, NetBSD 9.0.
+musl libc 1.2.2/arm64, musl libc 1.2.2/s390x, NetBSD 9.3.
@end itemize
Portability problems not fixed by Gnulib:
diff --git a/doc/posix-functions/hypotl.texi b/doc/posix-functions/hypotl.texi
index 4b91a48828..9a74d2668e 100644
--- a/doc/posix-functions/hypotl.texi
+++ b/doc/posix-functions/hypotl.texi
@@ -13,7 +13,7 @@
FreeBSD 6.0, NetBSD 5.0, OpenBSD 3.8, Minix 3.1.8, AIX 5.1, HP-UX 11, IRIX
6.5, Solaris 9, Cygwin 1.7.x, MSVC 14, Android 4.4.
@item
This function produces very imprecise results on some platforms:
-NetBSD 9.0, OpenBSD 5.1/SPARC.
+NetBSD 9.3, OpenBSD 5.1/SPARC.
@end itemize
Portability problems fixed by Gnulib module @code{hypotl-ieee}:
diff --git a/doc/posix-functions/log10l.texi b/doc/posix-functions/log10l.texi
index ffddbcb442..d3b71e3014 100644
--- a/doc/posix-functions/log10l.texi
+++ b/doc/posix-functions/log10l.texi
@@ -26,7 +26,7 @@
@item
This function produces results which are accurate to only 16 digits on some
platforms:
-musl libc 1.2.2/arm64, musl libc 1.2.2/s390x, NetBSD 9.0.
+musl libc 1.2.2/arm64, musl libc 1.2.2/s390x, NetBSD 9.3.
@end itemize
Portability problems not fixed by Gnulib:
diff --git a/doc/posix-functions/logl.texi b/doc/posix-functions/logl.texi
index e0d04b5ec0..679bcae137 100644
--- a/doc/posix-functions/logl.texi
+++ b/doc/posix-functions/logl.texi
@@ -20,7 +20,7 @@
@item
This function produces results which are accurate to only 16 digits on some
platforms:
-musl libc 1.2.2/arm64, musl libc 1.2.2/s390x, NetBSD 9.0.
+musl libc 1.2.2/arm64, musl libc 1.2.2/s390x, NetBSD 9.3.
@end itemize
Portability problems not fixed by Gnulib:
diff --git a/doc/posix-functions/powl.texi b/doc/posix-functions/powl.texi
index c7c2482d86..05a18cfd7e 100644
--- a/doc/posix-functions/powl.texi
+++ b/doc/posix-functions/powl.texi
@@ -18,4 +18,8 @@
@item
This function is only defined as a macro with arguments on some platforms:
MSVC 14.
+@item
+This function produces results which are accurate to only 16 digits on some
+platforms:
+NetBSD 9.3.
@end itemize
diff --git a/doc/posix-functions/sinhl.texi b/doc/posix-functions/sinhl.texi
index 614f549ee3..b4e8d2d4af 100644
--- a/doc/posix-functions/sinhl.texi
+++ b/doc/posix-functions/sinhl.texi
@@ -18,4 +18,8 @@
@item
This function is only defined as a macro with arguments on some platforms:
MSVC 14.
+@item
+This function produces results which are accurate to only 16 digits on some
+platforms:
+NetBSD 9.3.
@end itemize
diff --git a/doc/posix-functions/sinl.texi b/doc/posix-functions/sinl.texi
index d19cca7115..bd8b9bd450 100644
--- a/doc/posix-functions/sinl.texi
+++ b/doc/posix-functions/sinl.texi
@@ -18,4 +18,8 @@
Portability problems not fixed by Gnulib:
@itemize
+@item
+This function produces results which are accurate to only 16 digits on some
+platforms:
+NetBSD 9.3.
@end itemize
diff --git a/doc/posix-functions/tanhl.texi b/doc/posix-functions/tanhl.texi
index 01937473a6..a8a5c6a967 100644
--- a/doc/posix-functions/tanhl.texi
+++ b/doc/posix-functions/tanhl.texi
@@ -18,4 +18,8 @@
@item
This function is only defined as a macro with arguments on some platforms:
MSVC 14.
+@item
+This function produces results which are accurate to only 16 digits on some
+platforms:
+NetBSD 9.3.
@end itemize
diff --git a/doc/posix-functions/tanl.texi b/doc/posix-functions/tanl.texi
index be32de02a1..3da2a71d65 100644
--- a/doc/posix-functions/tanl.texi
+++ b/doc/posix-functions/tanl.texi
@@ -18,4 +18,8 @@
Portability problems not fixed by Gnulib:
@itemize
+@item
+This function produces results which are accurate to only 16 digits on some
+platforms:
+NetBSD 9.3.
@end itemize
diff --git a/m4/exp2l.m4 b/m4/exp2l.m4
index e3f476c1f7..582576e09f 100644
--- a/m4/exp2l.m4
+++ b/m4/exp2l.m4
@@ -1,4 +1,4 @@
-# exp2l.m4 serial 13
+# exp2l.m4 serial 14
dnl Copyright (C) 2010-2024 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
@@ -80,7 +80,7 @@ AC_DEFUN([gl_FUNC_EXP2L]
{
long double (* volatile my_exp2l) (long double) = argc ? exp2l : dummy;
int result = 0;
- /* This test fails on NetBSD 9.0. */
+ /* This test fails on NetBSD 9.3. */
{
const long double TWO_LDBL_MANT_DIG = /* 2^LDBL_MANT_DIG */
(long double) (1U << ((LDBL_MANT_DIG - 1) / 5))
diff --git a/m4/expl.m4 b/m4/expl.m4
index 32497fcf17..5cc77778ad 100644
--- a/m4/expl.m4
+++ b/m4/expl.m4
@@ -1,4 +1,4 @@
-# expl.m4 serial 21
+# expl.m4 serial 22
dnl Copyright (C) 2010-2024 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
@@ -129,7 +129,7 @@ AC_DEFUN([gl_FUNC_EXPL]
if (isnan (expl (x1)) || isnan (expl (x2)) || isnan (expl (x3)))
result |= 2;
}
- /* This test fails on musl 1.2.2/arm64, musl 1.2.2/s390x, NetBSD 9.0. */
+ /* This test fails on musl 1.2.2/arm64, musl 1.2.2/s390x, NetBSD 9.3. */
{
const long double TWO_LDBL_MANT_DIG = /* 2^LDBL_MANT_DIG */
(long double) (1U << ((LDBL_MANT_DIG - 1) / 5))
diff --git a/m4/hypotl.m4 b/m4/hypotl.m4
index f722ad9316..dbfec7ea08 100644
--- a/m4/hypotl.m4
+++ b/m4/hypotl.m4
@@ -1,4 +1,4 @@
-# hypotl.m4 serial 14
+# hypotl.m4 serial 15
dnl Copyright (C) 2012-2024 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
@@ -135,6 +135,7 @@ AC_DEFUN([gl_FUNC_HYPOTL]
dnl On OpenBSD 5.1/SPARC,
dnl hypotl (2.5541394760659556563446062497337725156L,
7.7893454113437840832487794525518765265L)
dnl has rounding errors that eat up the last 8 to 9 decimal digits.
+dnl On NetBSD 9.3, the result is accurate to only 16 digits.
AC_DEFUN([gl_FUNC_HYPOTL_WORKS],
[
AC_REQUIRE([AC_PROG_CC])
diff --git a/m4/log10l.m4 b/m4/log10l.m4
index 19d6145961..aefa2df029 100644
--- a/m4/log10l.m4
+++ b/m4/log10l.m4
@@ -1,4 +1,4 @@
-# log10l.m4 serial 13
+# log10l.m4 serial 14
dnl Copyright (C) 2011-2024 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
@@ -60,7 +60,7 @@ AC_DEFUN([gl_FUNC_LOG10L]
dnl 0xFFF00000000000000000000000000000.
dnl On AIX 5.1, log10l(-0.0L) is finite if it's not the first log10l call
dnl in the program.
-dnl On NetBSD 9.0, the result is accurate to only 16 digits.
+dnl On NetBSD 9.3, the result is accurate to only 16 digits.
AC_DEFUN([gl_FUNC_LOG10L_WORKS],
[
AC_REQUIRE([AC_PROG_CC])
@@ -126,7 +126,7 @@ AC_DEFUN([gl_FUNC_LOG10L_WORKS]
if (!(gy + gy == gy))
result |= 1;
}
- /* This test fails on musl 1.2.2/arm64, musl 1.2.2/s390x, NetBSD 9.0. */
+ /* This test fails on musl 1.2.2/arm64, musl 1.2.2/s390x, NetBSD 9.3. */
{
const long double TWO_LDBL_MANT_DIG = /* 2^LDBL_MANT_DIG */
(long double) (1U << ((LDBL_MANT_DIG - 1) / 5))
diff --git a/m4/logl.m4 b/m4/logl.m4
index 5e1bb3f1a9..c75f4c50ee 100644
--- a/m4/logl.m4
+++ b/m4/logl.m4
@@ -103,7 +103,7 @@ AC_DEFUN([gl_FUNC_LOGL]
dnl Test whether logl() works.
dnl On OSF/1 5.1, logl(-0.0L) is NaN.
-dnl On NetBSD 9.0, the result is accurate to only 16 digits.
+dnl On NetBSD 9.3, the result is accurate to only 16 digits.
AC_DEFUN([gl_FUNC_LOGL_WORKS],
[
AC_REQUIRE([AC_PROG_CC])
@@ -166,7 +166,7 @@ AC_DEFUN([gl_FUNC_LOGL_WORKS]
if (!(gy + gy == gy))
result |= 1;
}
- /* This test fails on musl 1.2.2/arm64, musl 1.2.2/s390x, NetBSD 9.0. */
+ /* This test fails on musl 1.2.2/arm64, musl 1.2.2/s390x, NetBSD 9.3. */
{
const long double TWO_LDBL_MANT_DIG = /* 2^LDBL_MANT_DIG */
(long double) (1U << ((LDBL_MANT_DIG - 1) / 5))
