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author | peter klausler <pklausler@nvidia.com> | 2021-04-15 14:11:47 -0700 |
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committer | peter klausler <pklausler@nvidia.com> | 2021-04-19 11:44:43 -0700 |
commit | 71d868cf9011673cae847502e651393a18631b8a (patch) | |
tree | 7188ebd25c7b5bd4d39fc3ba57934c732272d6ab /flang/module/ieee_arithmetic.f90 | |
parent | 03b98114ce5ca4d9b47df021083ad9c12f8738d1 (diff) | |
download | llvm-71d868cf9011673cae847502e651393a18631b8a.zip llvm-71d868cf9011673cae847502e651393a18631b8a.tar.gz llvm-71d868cf9011673cae847502e651393a18631b8a.tar.bz2 |
[flang] Define missing & needed IEEE_ARITHMETIC symbols
Define IEEE_IS_NAN, IEEE_IS_FINITE, & IEEE_REM.
Differential Revision: https://reviews.llvm.org/D100599
Diffstat (limited to 'flang/module/ieee_arithmetic.f90')
-rw-r--r-- | flang/module/ieee_arithmetic.f90 | 114 |
1 files changed, 95 insertions, 19 deletions
diff --git a/flang/module/ieee_arithmetic.f90 b/flang/module/ieee_arithmetic.f90 index bd73c24..21fc907 100644 --- a/flang/module/ieee_arithmetic.f90 +++ b/flang/module/ieee_arithmetic.f90 @@ -10,6 +10,8 @@ module ieee_arithmetic use __Fortran_builtins, only: & + ieee_is_nan => __builtin_ieee_is_nan, & + ieee_selected_real_kind => __builtin_ieee_selected_real_kind, & ieee_support_datatype => __builtin_ieee_support_datatype, & ieee_support_denormal => __builtin_ieee_support_denormal, & ieee_support_divide => __builtin_ieee_support_divide, & @@ -19,8 +21,9 @@ module ieee_arithmetic ieee_support_sqrt => __builtin_ieee_support_sqrt, & ieee_support_standard => __builtin_ieee_support_standard, & ieee_support_subnormal => __builtin_ieee_support_subnormal, & - ieee_support_underflow_control => __builtin_ieee_support_underflow_control, & - ieee_selected_real_kind => __builtin_ieee_selected_real_kind + ieee_support_underflow_control => __builtin_ieee_support_underflow_control + + implicit none type :: ieee_class_type private @@ -65,25 +68,32 @@ module ieee_arithmetic module procedure class_ne module procedure round_ne end interface operator(/=) + private :: class_eq, class_ne, round_eq, round_ne ! See Fortran 2018, 17.10 & 17.11 - interface ieee_class - module procedure ieee_class_a2 - module procedure ieee_class_a3 - module procedure ieee_class_a4 - module procedure ieee_class_a8 - module procedure ieee_class_a10 - module procedure ieee_class_a16 - end interface ieee_class - - interface ieee_copy_sign - module procedure ieee_copy_sign_a2 - module procedure ieee_copy_sign_a3 - module procedure ieee_copy_sign_a4 - module procedure ieee_copy_sign_a8 - module procedure ieee_copy_sign_a10 - module procedure ieee_copy_sign_a16 - end interface ieee_copy_sign + generic :: ieee_class => ieee_class_a2, ieee_class_a3, ieee_class_a4, ieee_class_a8, ieee_class_a10, ieee_class_a16 + private :: ieee_class_a2, ieee_class_a3, ieee_class_a4, ieee_class_a8, ieee_class_a10, ieee_class_a16 + + generic :: ieee_copy_sign => ieee_copy_sign_a2, ieee_copy_sign_a3, ieee_copy_sign_a4, ieee_copy_sign_a8, ieee_copy_sign_a10, ieee_copy_sign_a16 + private :: ieee_copy_sign_a2, ieee_copy_sign_a3, ieee_copy_sign_a4, ieee_copy_sign_a8, ieee_copy_sign_a10, ieee_copy_sign_a16 + + generic :: ieee_is_finite => ieee_is_finite_a2, ieee_is_finite_a3, ieee_is_finite_a4, ieee_is_finite_a8, ieee_is_finite_a10, ieee_is_finite_a16 + private :: ieee_is_finite_a2, ieee_is_finite_a3, ieee_is_finite_a4, ieee_is_finite_a8, ieee_is_finite_a10, ieee_is_finite_a16 + + generic :: ieee_rem => & + ieee_rem_a2_a2, ieee_rem_a2_a3, ieee_rem_a2_a4, ieee_rem_a2_a8, ieee_rem_a2_a10, ieee_rem_a2_a16, & + ieee_rem_a3_a2, ieee_rem_a3_a3, ieee_rem_a3_a4, ieee_rem_a3_a8, ieee_rem_a3_a10, ieee_rem_a3_a16, & + ieee_rem_a4_a2, ieee_rem_a4_a3, ieee_rem_a4_a4, ieee_rem_a4_a8, ieee_rem_a4_a10, ieee_rem_a4_a16, & + ieee_rem_a8_a2, ieee_rem_a8_a3, ieee_rem_a8_a4, ieee_rem_a8_a8, ieee_rem_a8_a10, ieee_rem_a8_a16, & + ieee_rem_a10_a2, ieee_rem_a10_a3, ieee_rem_a10_a4, ieee_rem_a10_a8, ieee_rem_a10_a10, ieee_rem_a10_a16, & + ieee_rem_a16_a2, ieee_rem_a16_a3, ieee_rem_a16_a4, ieee_rem_a16_a8, ieee_rem_a16_a10, ieee_rem_a16_a16 + private :: & + ieee_rem_a2_a2, ieee_rem_a2_a3, ieee_rem_a2_a4, ieee_rem_a2_a8, ieee_rem_a2_a10, ieee_rem_a2_a16, & + ieee_rem_a3_a2, ieee_rem_a3_a3, ieee_rem_a3_a4, ieee_rem_a3_a8, ieee_rem_a3_a10, ieee_rem_a3_a16, & + ieee_rem_a4_a2, ieee_rem_a4_a3, ieee_rem_a4_a4, ieee_rem_a4_a8, ieee_rem_a4_a10, ieee_rem_a4_a16, & + ieee_rem_a8_a2, ieee_rem_a8_a3, ieee_rem_a8_a4, ieee_rem_a8_a8, ieee_rem_a8_a10, ieee_rem_a8_a16, & + ieee_rem_a10_a2, ieee_rem_a10_a3, ieee_rem_a10_a4, ieee_rem_a10_a8, ieee_rem_a10_a10, ieee_rem_a10_a16, & + ieee_rem_a16_a2, ieee_rem_a16_a3, ieee_rem_a16_a4, ieee_rem_a16_a8, ieee_rem_a16_a10, ieee_rem_a16_a16 generic :: ieee_support_rounding => ieee_support_rounding_, & ieee_support_rounding_2, ieee_support_rounding_3, & @@ -203,6 +213,72 @@ module ieee_arithmetic _COPYSIGN(16,16,128) #undef _COPYSIGN +#define _IS_FINITE(KIND) \ + elemental function ieee_is_finite_a##KIND(x) result(res); \ + real(kind=KIND), intent(in) :: x; \ + logical :: res; \ + type(ieee_class_type) :: classification; \ + classification = ieee_class(x); \ + res = classification == ieee_negative_zero .or. classification == ieee_positive_zero \ + .or. classification == ieee_negative_denormal .or. classification == ieee_positive_denormal \ + .or. classification == ieee_negative_normal .or. classification == ieee_positive_normal; \ + end function + _IS_FINITE(2) + _IS_FINITE(3) + _IS_FINITE(4) + _IS_FINITE(8) + _IS_FINITE(10) + _IS_FINITE(16) +#undef _IS_FINITE + +! TODO: handle edge cases from 17.11.31 +#define _REM(XKIND,YKIND) \ + elemental function ieee_rem_a##XKIND##_a##YKIND(x, y) result(res); \ + real(kind=XKIND), intent(in) :: x; \ + real(kind=YKIND), intent(in) :: y; \ + integer, parameter :: rkind = max(XKIND, YKIND); \ + real(kind=rkind) :: res, tmp; \ + tmp = anint(real(x, kind=rkind) / y); \ + res = x - y * tmp; \ + end function + _REM(2,2) + _REM(2,3) + _REM(2,4) + _REM(2,8) + _REM(2,10) + _REM(2,16) + _REM(3,2) + _REM(3,3) + _REM(3,4) + _REM(3,8) + _REM(3,10) + _REM(3,16) + _REM(4,2) + _REM(4,3) + _REM(4,4) + _REM(4,8) + _REM(4,10) + _REM(4,16) + _REM(8,2) + _REM(8,3) + _REM(8,4) + _REM(8,8) + _REM(8,10) + _REM(8,16) + _REM(10,2) + _REM(10,3) + _REM(10,4) + _REM(10,8) + _REM(10,10) + _REM(10,16) + _REM(16,2) + _REM(16,3) + _REM(16,4) + _REM(16,8) + _REM(16,10) + _REM(16,16) +#undef _REM + pure logical function ieee_support_rounding_(round_type) type(ieee_round_type), intent(in) :: round_type ieee_support_rounding_ = .true. |