| !===-- module/iso_fortran_env.f90 ------------------------------------------===! |
| ! |
| ! 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 |
| ! |
| !===------------------------------------------------------------------------===! |
| |
| ! See Fortran 2018, clause 16.10.2 |
| ! TODO: These are placeholder values so that some tests can be run. |
| |
| include '../include/flang/Runtime/magic-numbers.h' ! for IOSTAT= error/end code values |
| |
| module iso_fortran_env |
| |
| use __Fortran_builtins, only: & |
| event_type => __builtin_event_type, & |
| lock_type => __builtin_lock_type, & |
| team_type => __builtin_team_type |
| |
| implicit none |
| |
| integer, parameter :: atomic_int_kind = selected_int_kind(18) |
| integer, parameter :: atomic_logical_kind = atomic_int_kind |
| |
| ! TODO: Use PACK([x],test) in place of the array constructor idiom |
| ! [(x, integer::j=1,COUNT([test]))] below once PACK() can be folded. |
| |
| integer, parameter, private :: & |
| selectedASCII = selected_char_kind('ASCII'), & |
| selectedUCS_2 = selected_char_kind('UCS-2'), & |
| selectedUnicode = selected_char_kind('ISO_10646') |
| integer, parameter :: character_kinds(*) = [ & |
| [(selectedASCII, integer :: j=1, count([selectedASCII >= 0]))], & |
| [(selectedUCS_2, integer :: j=1, count([selectedUCS_2 >= 0]))], & |
| [(selectedUnicode, integer :: j=1, count([selectedUnicode >= 0]))]] |
| |
| integer, parameter, private :: & |
| selectedInt8 = selected_int_kind(2), & |
| selectedInt16 = selected_int_kind(4), & |
| selectedInt32 = selected_int_kind(9), & |
| selectedInt64 = selected_int_kind(18),& |
| selectedInt128 = selected_int_kind(38), & |
| safeInt8 = merge(selectedInt8, selected_int_kind(0), & |
| selectedInt8 >= 0), & |
| safeInt16 = merge(selectedInt16, selected_int_kind(0), & |
| selectedInt16 >= 0), & |
| safeInt32 = merge(selectedInt32, selected_int_kind(0), & |
| selectedInt32 >= 0), & |
| safeInt64 = merge(selectedInt64, selected_int_kind(0), & |
| selectedInt64 >= 0), & |
| safeInt128 = merge(selectedInt128, selected_int_kind(0), & |
| selectedInt128 >= 0) |
| integer, parameter :: & |
| int8 = merge(selectedInt8, merge(-2, -1, selectedInt8 >= 0), & |
| digits(int(0,kind=safeInt8)) == 7), & |
| int16 = merge(selectedInt16, merge(-2, -1, selectedInt16 >= 0), & |
| digits(int(0,kind=safeInt16)) == 15), & |
| int32 = merge(selectedInt32, merge(-2, -1, selectedInt32 >= 0), & |
| digits(int(0,kind=safeInt32)) == 31), & |
| int64 = merge(selectedInt64, merge(-2, -1, selectedInt64 >= 0), & |
| digits(int(0,kind=safeInt64)) == 63), & |
| int128 = merge(selectedInt128, merge(-2, -1, selectedInt128 >= 0), & |
| digits(int(0,kind=safeInt128)) == 127) |
| |
| integer, parameter :: integer_kinds(*) = [ & |
| selected_int_kind(0), & |
| ((selected_int_kind(k), & |
| integer :: j=1, count([selected_int_kind(k) >= 0 .and. & |
| selected_int_kind(k) /= & |
| selected_int_kind(k-1)])), & |
| integer :: k=1, 39)] |
| |
| integer, parameter :: & |
| logical8 = int8, logical16 = int16, logical32 = int32, logical64 = int64 |
| integer, parameter :: logical_kinds(*) = [ & |
| [(logical8, integer :: j=1, count([logical8 >= 0]))], & |
| [(logical16, integer :: j=1, count([logical16 >= 0]))], & |
| [(logical32, integer :: j=1, count([logical32 >= 0]))], & |
| [(logical64, integer :: j=1, count([logical64 >= 0]))]] |
| |
| integer, parameter, private :: & |
| selectedReal16 = selected_real_kind(3, 4), & ! IEEE half |
| selectedBfloat16 = selected_real_kind(2, 37), & ! truncated IEEE single |
| selectedReal32 = selected_real_kind(6, 37), & ! IEEE single |
| selectedReal64 = selected_real_kind(15, 307), & ! IEEE double |
| selectedReal80 = selected_real_kind(18, 4931), & ! 80x87 extended |
| selectedReal64x2 = selected_real_kind(31, 307), & ! "double-double" |
| selectedReal128 = selected_real_kind(33, 4931), & ! IEEE quad |
| safeReal16 = merge(selectedReal16, selected_real_kind(0,0), & |
| selectedReal16 >= 0), & |
| safeBfloat16 = merge(selectedBfloat16, selected_real_kind(0,0), & |
| selectedBfloat16 >= 0), & |
| safeReal32 = merge(selectedReal32, selected_real_kind(0,0), & |
| selectedReal32 >= 0), & |
| safeReal64 = merge(selectedReal64, selected_real_kind(0,0), & |
| selectedReal64 >= 0), & |
| safeReal80 = merge(selectedReal80, selected_real_kind(0,0), & |
| selectedReal80 >= 0), & |
| safeReal64x2 = merge(selectedReal64x2, selected_real_kind(0,0), & |
| selectedReal64x2 >= 0), & |
| safeReal128 = merge(selectedReal128, selected_real_kind(0,0), & |
| selectedReal128 >= 0) |
| integer, parameter :: & |
| real16 = merge(selectedReal16, merge(-2, -1, selectedReal16 >= 0), & |
| digits(real(0,kind=safeReal16)) == 11), & |
| bfloat16 = merge(selectedBfloat16, merge(-2, -1, selectedBfloat16 >= 0), & |
| digits(real(0,kind=safeBfloat16)) == 8), & |
| real32 = merge(selectedReal32, merge(-2, -1, selectedReal32 >= 0), & |
| digits(real(0,kind=safeReal32)) == 24), & |
| real64 = merge(selectedReal64, merge(-2, -1, selectedReal64 >= 0), & |
| digits(real(0,kind=safeReal64)) == 53), & |
| real80 = merge(selectedReal80, merge(-2, -1, selectedReal80 >= 0), & |
| digits(real(0,kind=safeReal80)) == 64), & |
| real64x2 = merge(selectedReal64x2, merge(-2, -1, selectedReal64x2 >= 0), & |
| digits(real(0,kind=safeReal64x2)) == 106), & |
| real128 = merge(selectedReal128, merge(-2, -1, selectedReal128 >= 0), & |
| digits(real(0,kind=safeReal128)) == 113) |
| |
| integer, parameter :: real_kinds(*) = [ & |
| [(real16, integer :: j=1, count([real16 >= 0]))], & |
| [(bfloat16, integer :: j=1, count([bfloat16 >= 0]))], & |
| [(real32, integer :: j=1, count([real32 >= 0]))], & |
| [(real64, integer :: j=1, count([real64 >= 0]))], & |
| [(real80, integer :: j=1, count([real80 >= 0]))], & |
| [(real64x2, integer :: j=1, count([real64x2 >= 0]))], & |
| [(real128, integer :: j=1, count([real128 >= 0]))]] |
| |
| integer, parameter :: current_team = -1, initial_team = -2, parent_team = -3 |
| |
| integer, parameter :: input_unit = 5, output_unit = 6 |
| integer, parameter :: error_unit = 0 |
| integer, parameter :: iostat_end = -1, iostat_eor = -2 |
| integer, parameter :: iostat_inquire_internal_unit = -1 |
| |
| integer, parameter :: character_storage_size = 8 |
| integer, parameter :: file_storage_size = 8 |
| integer, parameter :: numeric_storage_size = 32 |
| |
| integer, parameter :: stat_failed_image = FORTRAN_RUNTIME_STAT_FAILED_IMAGE |
| integer, parameter :: stat_locked = FORTRAN_RUNTIME_STAT_LOCKED |
| integer, parameter :: stat_locked_other_image = FORTRAN_RUNTIME_STAT_LOCKED_OTHER_IMAGE |
| integer, parameter :: stat_stopped_image = FORTRAN_RUNTIME_STAT_STOPPED_IMAGE |
| integer, parameter :: stat_unlocked = FORTRAN_RUNTIME_STAT_UNLOCKED |
| integer, parameter :: stat_unlocked_failed_image = FORTRAN_RUNTIME_STAT_UNLOCKED_FAILED_IMAGE |
| |
| contains |
| |
| character(len=80) function compiler_options() |
| compiler_options = 'COMPILER_OPTIONS() not yet implemented' |
| end function compiler_options |
| |
| character(len=80) function compiler_version() |
| compiler_version = 'f18 in development' |
| end function compiler_version |
| end module iso_fortran_env |
