2 copysignl() function: copy sign into another 'long double' number.
11 copysign [test $HAVE_COPYSIGNL = 0 && test $HAVE_SAME_LONG_DOUBLE_AS_DOUBLE = 1]
12 signbit [test $HAVE_COPYSIGNL = 0 && test $HAVE_SAME_LONG_DOUBLE_AS_DOUBLE = 0]
16 if test $HAVE_COPYSIGNL = 0; then
17 AC_LIBOBJ([copysignl])
19 gl_MATH_MODULE_INDICATOR([copysignl])