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This changes the license information in many of the flang source files. - Renamed LICENSE to LICENSE.txt. - NVIDIA Copyright lines have been removed. - Initial lines for files follow the LLVM coding convention (file name on the first line; Emacs mode information on the first line). - License references have been replaced with the abridged LLVM text. - License information was removed from the test files. - No file header was placed on test files (these weren't in most LLVM test files). - License information was added to documentation files where it was missing. We did not add brief file summaries to the initial line. See http://llvm.org/docs/DeveloperPolicy.html#new-llvm-project-license-framework for a description of the new license. See http://llvm.org/docs/CodingStandards.html#file-headers for a description of the new LLVM standard file header. Original-commit: flang-compiler/f18@add6cde724 Reviewed-on: https://github.com/flang-compiler/f18/pull/887
126 lines
4.1 KiB
Fortran
126 lines
4.1 KiB
Fortran
!===-- module/ieee_exceptions.f90 ------------------------------------------===!
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!
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! Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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! See https://llvm.org/LICENSE.txt for license information.
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! SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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!
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!------------------------------------------------------------------------------!
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! See Fortran 2018, clause 17
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module ieee_exceptions
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type :: ieee_flag_type ! Fortran 2018, 17.2 & 17.3
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private
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integer(kind=1) :: flag = 0
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end type ieee_flag_type
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type(ieee_flag_type), parameter :: &
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ieee_invalid = ieee_flag_type(1), &
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ieee_overflow = ieee_flag_type(2), &
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ieee_divide_by_zero = ieee_flag_type(4), &
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ieee_underflow = ieee_flag_type(8), &
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ieee_inexact = ieee_flag_type(16), &
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ieee_denorm = ieee_flag_type(32) ! PGI extension
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type(ieee_flag_type), parameter :: &
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ieee_usual(*) = [ &
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ieee_overflow, ieee_divide_by_zero, ieee_invalid ], &
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ieee_all(*) = [ &
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ieee_usual, ieee_underflow, ieee_inexact, ieee_denorm ]
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type :: ieee_modes_type ! Fortran 2018, 17.7
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private
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end type ieee_modes_type
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type :: ieee_status_type ! Fortran 2018, 17.7
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private
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end type ieee_status_type
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private :: ieee_support_flag_2, ieee_support_flag_3, &
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ieee_support_flag_4, ieee_support_flag_8, ieee_support_flag_10, &
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ieee_support_flag_16
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interface ieee_support_flag
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module procedure :: ieee_support_flag, &
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ieee_support_flag_2, ieee_support_flag_3, &
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ieee_support_flag_4, ieee_support_flag_8, ieee_support_flag_10, &
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ieee_support_flag_16
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end interface
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contains
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elemental subroutine ieee_get_flag(flag, flag_value)
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type(ieee_flag_type), intent(in) :: flag
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logical, intent(out) :: flag_value
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end subroutine ieee_get_flag
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elemental subroutine ieee_get_halting_mode(flag, halting)
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type(ieee_flag_type), intent(in) :: flag
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logical, intent(out) :: halting
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end subroutine ieee_get_halting_mode
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subroutine ieee_get_modes(modes)
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type(ieee_modes_type), intent(out) :: modes
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end subroutine ieee_get_modes
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subroutine ieee_get_status(status)
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type(ieee_status_type), intent(out) :: status
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end subroutine ieee_get_status
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pure subroutine ieee_set_flag(flag, flag_value)
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type(ieee_flag_type), intent(in) :: flag
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logical, intent(in) :: flag_value
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end subroutine ieee_set_flag
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pure subroutine ieee_set_halting_mode(flag, halting)
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type(ieee_flag_type), intent(in) :: flag
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logical, intent(in) :: halting
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end subroutine ieee_set_halting_mode
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subroutine ieee_set_modes(modes)
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type(ieee_modes_type), intent(in) :: modes
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end subroutine ieee_set_modes
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subroutine ieee_set_status(status)
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type(ieee_status_type), intent(in) :: status
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end subroutine ieee_set_status
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pure logical function ieee_support_flag(flag)
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type(ieee_flag_type), intent(in) :: flag
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ieee_support_flag = .true.
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end function
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pure logical function ieee_support_flag_2(flag, x)
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type(ieee_flag_type), intent(in) :: flag
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real(kind=2), intent(in) :: x(..)
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ieee_support_flag_2 = .true.
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end function
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pure logical function ieee_support_flag_3(flag, x)
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type(ieee_flag_type), intent(in) :: flag
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real(kind=3), intent(in) :: x(..)
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ieee_support_flag_3 = .true.
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end function
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pure logical function ieee_support_flag_4(flag, x)
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type(ieee_flag_type), intent(in) :: flag
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real(kind=4), intent(in) :: x(..)
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ieee_support_flag_4 = .true.
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end function
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pure logical function ieee_support_flag_8(flag, x)
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type(ieee_flag_type), intent(in) :: flag
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real(kind=8), intent(in) :: x(..)
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ieee_support_flag_8 = .true.
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end function
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pure logical function ieee_support_flag_10(flag, x)
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type(ieee_flag_type), intent(in) :: flag
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real(kind=10), intent(in) :: x(..)
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ieee_support_flag_10 = .true.
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end function
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pure logical function ieee_support_flag_16(flag, x)
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type(ieee_flag_type), intent(in) :: flag
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real(kind=16), intent(in) :: x(..)
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ieee_support_flag_16 = .true.
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end function
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pure logical function ieee_support_halting(flag)
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type(ieee_flag_type), intent(in) :: flag
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end function ieee_support_halting
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end module ieee_exceptions
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