1// This file is part of Eigen, a lightweight C++ template library
2// for linear algebra.
3//
4// Copyright (C) 2016 Eugene Brevdo <ebrevdo@gmail.com>
5//
6// This Source Code Form is subject to the terms of the Mozilla
7// Public License v. 2.0. If a copy of the MPL was not distributed
8// with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
9
10#ifndef EIGEN_CXX11_TENSOR_TENSOR_GLOBAL_FUNCTIONS_H
11#define EIGEN_CXX11_TENSOR_TENSOR_GLOBAL_FUNCTIONS_H
12
13namespace Eigen {
14
15/** \cpp11 \returns an expression of the coefficient-wise betainc(\a x, \a a, \a b) to the given tensors.
16 *
17 * This function computes the regularized incomplete beta function (integral).
18 *
19 */
20template <typename ADerived, typename BDerived, typename XDerived>
21EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE const
22    TensorCwiseTernaryOp<internal::scalar_betainc_op<typename XDerived::Scalar>,
23                         const ADerived, const BDerived, const XDerived>
24    betainc(const ADerived& a, const BDerived& b, const XDerived& x) {
25  return TensorCwiseTernaryOp<
26      internal::scalar_betainc_op<typename XDerived::Scalar>, const ADerived,
27      const BDerived, const XDerived>(
28      a, b, x, internal::scalar_betainc_op<typename XDerived::Scalar>());
29}
30
31} // end namespace Eigen
32
33#endif // EIGEN_CXX11_TENSOR_TENSOR_GLOBAL_FUNCTIONS_H
34