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Remove configure check LOG1P_DROPS_ZERO_SIGN. #9193

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merged 1 commit into from
Sep 11, 2018
Merged

Remove configure check LOG1P_DROPS_ZERO_SIGN. #9193

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4 changes: 2 additions & 2 deletions aclocal.m4
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Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
# generated automatically by aclocal 1.15 -*- Autoconf -*-
# generated automatically by aclocal 1.15.1 -*- Autoconf -*-

# Copyright (C) 1996-2014 Free Software Foundation, Inc.
# Copyright (C) 1996-2017 Free Software Foundation, Inc.

# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
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51 changes: 0 additions & 51 deletions configure
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Expand Up @@ -13688,7 +13688,6 @@ fi




# checks for system services
# (none yet)

Expand Down Expand Up @@ -14209,56 +14208,6 @@ then
$as_echo "#define TANH_PRESERVES_ZERO_SIGN 1" >>confdefs.h

fi

if test "$ac_cv_func_log1p" = yes
then
# On some versions of AIX, log1p(-0.) returns 0. instead of
# -0. See issue #9920.
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether log1p drops the sign of negative zero" >&5
$as_echo_n "checking whether log1p drops the sign of negative zero... " >&6; }
if ${ac_cv_log1p_drops_zero_sign+:} false; then :
$as_echo_n "(cached) " >&6
else

if test "$cross_compiling" = yes; then :
ac_cv_log1p_drops_zero_sign=no
else
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */

#include <math.h>
#include <stdlib.h>
int main() {
/* Fail if the signs of log1p(-0.) and -0. can be
distinguished. */
if (atan2(log1p(-0.), -1.) == atan2(-0., -1.))
return 0;
else
return 1;
}

_ACEOF
if ac_fn_c_try_run "$LINENO"; then :
ac_cv_log1p_drops_zero_sign=no
else
ac_cv_log1p_drops_zero_sign=yes
fi
rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
conftest.$ac_objext conftest.beam conftest.$ac_ext
fi

fi

{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_log1p_drops_zero_sign" >&5
$as_echo "$ac_cv_log1p_drops_zero_sign" >&6; }
fi
if test "$ac_cv_log1p_drops_zero_sign" = yes
then

$as_echo "#define LOG1P_DROPS_ZERO_SIGN 1" >>confdefs.h

fi

LIBS=$LIBS_SAVE

# For multiprocessing module, check that sem_open
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30 changes: 0 additions & 30 deletions configure.ac
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Original file line number Diff line number Diff line change
Expand Up @@ -4384,36 +4384,6 @@ then
AC_DEFINE(TANH_PRESERVES_ZERO_SIGN, 1,
[Define if tanh(-0.) is -0., or if platform doesn't have signed zeros])
fi

if test "$ac_cv_func_log1p" = yes
then
# On some versions of AIX, log1p(-0.) returns 0. instead of
# -0. See issue #9920.
AC_MSG_CHECKING(whether log1p drops the sign of negative zero)
AC_CACHE_VAL(ac_cv_log1p_drops_zero_sign, [
AC_RUN_IFELSE([AC_LANG_SOURCE([[
#include <math.h>
#include <stdlib.h>
int main() {
/* Fail if the signs of log1p(-0.) and -0. can be
distinguished. */
if (atan2(log1p(-0.), -1.) == atan2(-0., -1.))
return 0;
else
return 1;
}
]])],
[ac_cv_log1p_drops_zero_sign=no],
[ac_cv_log1p_drops_zero_sign=yes],
[ac_cv_log1p_drops_zero_sign=no])])
AC_MSG_RESULT($ac_cv_log1p_drops_zero_sign)
fi
if test "$ac_cv_log1p_drops_zero_sign" = yes
then
AC_DEFINE(LOG1P_DROPS_ZERO_SIGN, 1,
[Define if log1p(-0.) is 0. rather than -0.])
fi

LIBS=$LIBS_SAVE

# For multiprocessing module, check that sem_open
Expand Down
3 changes: 0 additions & 3 deletions pyconfig.h.in
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Original file line number Diff line number Diff line change
Expand Up @@ -1285,9 +1285,6 @@
/* Define to 1 if you have the `_getpty' function. */
#undef HAVE__GETPTY

/* Define if log1p(-0.) is 0. rather than -0. */
#undef LOG1P_DROPS_ZERO_SIGN

/* Define to 1 if `major', `minor', and `makedev' are declared in <mkdev.h>.
*/
#undef MAJOR_IN_MKDEV
Expand Down