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Support defining strfromf32 alias.

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This patch adds support for defining strfromf32 as an alias of
strfromf when _Float32 support is enabled.

Tested for x86_64; also tested with build-many-glibcs.py in
conjunction with other _Float32 changes.

	* stdlib/strfromf.c: Include <bits/floatn.h>.
	[__HAVE_FLOAT32 && !__HAVE_DISTINCT_FLOAT32] (strfromf32): Define
	and later undefine as macro and define as weak alias.
This commit is contained in:
Joseph Myers 2017-12-06 22:44:56 +00:00
parent e420d22826
commit fc10cc3f32
2 changed files with 20 additions and 0 deletions
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4
ChangeLog
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@ -1,5 +1,9 @@
2017-12-06 Joseph Myers <joseph@codesourcery.com> 2017-12-06 Joseph Myers <joseph@codesourcery.com>
* stdlib/strfromf.c: Include <bits/floatn.h>.
[__HAVE_FLOAT32 && !__HAVE_DISTINCT_FLOAT32] (strfromf32): Define
and later undefine as macro and define as weak alias.
* math/test-float32.h: New file. * math/test-float32.h: New file.
* sysdeps/generic/libm-alias-float.h: Include <bits/floatn.h>. * sysdeps/generic/libm-alias-float.h: Include <bits/floatn.h>.

16
stdlib/strfromf.c
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@ -16,7 +16,23 @@
License along with the GNU C Library; if not, see License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */ <http://www.gnu.org/licenses/>. */
#include <bits/floatn.h>
#define FLOAT float #define FLOAT float
#define STRFROM strfromf #define STRFROM strfromf
#if __HAVE_FLOAT32 && !__HAVE_DISTINCT_FLOAT32
# define strfromf32 __hide_strfromf32
#endif
#include <stdlib.h>
#if __HAVE_FLOAT32 && !__HAVE_DISTINCT_FLOAT32
# undef strfromf32
#endif
#include "strfrom-skeleton.c" #include "strfrom-skeleton.c"
#if __HAVE_FLOAT32 && !__HAVE_DISTINCT_FLOAT32
weak_alias (strfromf, strfromf32)
#endif