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Diffstat (limited to 'gnulib/m4/rint.m4')
| m--------- | gnulib | 0 | ||||
| -rw-r--r-- | gnulib/m4/rint.m4 | 23 |
2 files changed, 23 insertions, 0 deletions
diff --git a/gnulib b/gnulib deleted file mode 160000 -Subproject 443bc5ffcf7429e557f4a371b0661abe98ddbc1 diff --git a/gnulib/m4/rint.m4 b/gnulib/m4/rint.m4 new file mode 100644 index 0000000..410db8b --- /dev/null +++ b/gnulib/m4/rint.m4 @@ -0,0 +1,23 @@ +# rint.m4 serial 4 +dnl Copyright (C) 2011 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_RINT], +[ + AC_REQUIRE([gl_MATH_H_DEFAULTS]) + + dnl Determine RINT_LIBM. + dnl The reason for the extra code is: + dnl In AIX 7.1 with gcc 4.2, when optimization is turned on, calls to + dnl rint() with simple arguments are turned into rintf() calls by the + dnl compiler. But while rint() is resides in libc, rintf() is in libm. + gl_MATHFUNC([rint], [double], [(double)], [], [y += rint (2.0);]) + if test $gl_cv_func_rint_no_libm = no \ + && test $gl_cv_func_rint_in_libm = no; then + HAVE_RINT=0 + RINT_LIBM= + fi + AC_SUBST([RINT_LIBM]) +]) |