[gl_cv_header_math_nan_works=yes],
[gl_cv_header_math_nan_works=no])])
if test $gl_cv_header_math_nan_works = no; then
REPLACE_NAN=1
fi
AC_CACHE_CHECK([whether HUGE_VAL works], [gl_cv_header_math_huge_val_works],
[gl_cv_header_math_nan_works=yes],
[gl_cv_header_math_nan_works=no])])
if test $gl_cv_header_math_nan_works = no; then
REPLACE_NAN=1
fi
AC_CACHE_CHECK([whether HUGE_VAL works], [gl_cv_header_math_huge_val_works],