// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
-static const boost::array<boost::array<typename table_type<T>::type, 4>, 500> ibeta_derivative_data = { {
+static const std::array<std::array<typename table_type<T>::type, 4>, 500> ibeta_derivative_data = { {
{{ SC_(1.1510574072599411010742187500000000000000e-01), SC_(2.7266698837280273437500000000000000000000e+01), SC_(9.1334599256515502929687500000000000000000e-01), SC_(2.4207408975542468276471409063557340041241e-29) }},
{{ SC_(4.6342256665229797363281250000000000000000e-01), SC_(3.4317314624786376953125000000000000000000e+00), SC_(2.4176712334156036376953125000000000000000e-01), SC_(9.7664819482450522256458342803161978618775e-01) }},
{{ SC_(6.7153173685073852539062500000000000000000e-01), SC_(2.3063192367553710937500000000000000000000e+01), SC_(9.0844279527664184570312500000000000000000e-01), SC_(7.7554246601041672683444057212131973997266e-23) }},