! REQUIRES: flang-supports-f128-math
! RUN: bbc -emit-fir %s -o - | FileCheck %s
! RUN: bbc --math-runtime=precise -emit-fir %s -o - | FileCheck %s
! RUN: %flang_fc1 -emit-fir %s -o - | FileCheck %s
! CHECK: fir.call @_FortranAAtan2F128({{.*}}){{.*}}: (f128, f128) -> f128
real(16) :: a, b
b = atan2(a, b)
end