Mercurial > hg > octave-shane > gnulib-hg
changeset 8549:a1851d3b4da6
Avoid the completely broken frexpl() function of AIX 5.1.
| author | Bruno Haible <bruno@clisp.org> |
|---|---|
| date | Sun, 25 Mar 2007 22:21:06 +0000 |
| parents | 7794b324d462 |
| children | 0787c53b84f0 |
| files | ChangeLog m4/frexpl.m4 |
| diffstat | 2 files changed, 16 insertions(+), 4 deletions(-) [+] |
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--- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,7 @@ +2007-03-25 Bruno Haible <bruno@clisp.org> + + * m4/frexpl.m4 (gl_FUNC_FREXPL_WORKS): Test also finite numbers. + 2007-03-25 Bruno Haible <bruno@clisp.org> Avoid test failures on IRIX 6.5.
--- a/m4/frexpl.m4 +++ b/m4/frexpl.m4 @@ -58,8 +58,8 @@ fi ]) -dnl Test whether frexpl() works also on infinite numbers (this fails e.g. on -dnl IRIX 6.5). +dnl Test whether frexpl() works on finite numbers (this fails on AIX 5.1) and +dnl also on infinite numbers (this fails e.g. on IRIX 6.5). AC_DEFUN([gl_FUNC_FREXPL_WORKS], [ AC_REQUIRE([AC_PROG_CC]) @@ -71,6 +71,14 @@ int main() { volatile long double x; + /* Test on finite numbers. */ + { + int exp = -9999; + x = 16.0L; + frexpl (x, &exp); + if (exp != 5) + return 1; + } /* Test on infinite numbers. */ { x = 1.0L / 0.0L; @@ -82,8 +90,8 @@ return 0; }], [gl_cv_func_frexpl_works=yes], [gl_cv_func_frexpl_works=no], [case "$host_os" in - irix*) gl_cv_func_frexpl_works="guessing no";; - *) gl_cv_func_frexpl_works="guessing yes";; + aix* | irix*) gl_cv_func_frexpl_works="guessing no";; + *) gl_cv_func_frexpl_works="guessing yes";; esac ]) ])