llvm/libc/src/math/nvptx/lgamma_r.cpp

//===-- Implementation of the lgamma_r function for GPU -------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

#include "src/math/lgamma_r.h"
#include "src/__support/common.h"

#include "declarations.h"
#include "src/__support/macros/config.h"

namespace LIBC_NAMESPACE_DECL {

LLVM_LIBC_FUNCTION(double, lgamma_r, (double x, int *signp)) {
  double result = __nv_lgamma(x);
  *signp = (result < 0.0) ? -1 : 1;
  return result;
}

} // namespace LIBC_NAMESPACE_DECL