2 atanl() function: inverse tangent function with long double argument.
11 atan [test $HAVE_ATANL = 0 && test $HAVE_SAME_LONG_DOUBLE_AS_DOUBLE = 1]
12 isnanl [test $HAVE_ATANL = 0 && test $HAVE_SAME_LONG_DOUBLE_AS_DOUBLE = 0]
16 if test $HAVE_ATANL = 0; then
19 gl_MATH_MODULE_INDICATOR([atanl])