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Added remaining F2008 intrinsics #518

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Added remaining F2008 intrinsics #518

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28d2b9b
Added remaining F2008 intrinsics
LonelyCat124 Jul 3, 2026
75b3709
Merge branch 'master' into more_2008_intrinsics
arporter Jul 24, 2026
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62 changes: 62 additions & 0 deletions src/fparser/two/Fortran2008/intrinsics_f08.py
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Original file line number Diff line number Diff line change
Expand Up @@ -61,20 +61,82 @@ class Intrinsic_Name(F2003_Intrinsic_Name):

f08_math_intrinsics = {
"ERF": {"min": 1, "max": 1},
"ERFC": {"min": 1, "max": 1},
"ERFC_SCALED": {"min": 1, "max": 1},
"GAMMA": {"min": 1, "max": 1},
"HYPOT": {"min": 2, "max": 2},
"LOG_GAMMA": {"min": 1, "max": 1},
"NORM2": {"min": 1, "max": 2},
}

f08_bitsequence_comparison_intrinsics = {
"BGE": {"min": 2, "max": 2},
"BGT": {"min": 2, "max": 2},
"BLE": {"min": 2, "max": 2},
"BLT": {"min": 2, "max": 2},
}

f08_bitshift_intrinsics = {
"DSHIFTL": {"min": 3, "max": 3},
"DSHIFTR": {"min": 3, "max": 3},
"SHIFTL": {"min": 2, "max": 2},
"SHIFTR": {"min": 2, "max": 2},
"SHIFTA": {"min": 2, "max": 2},
"MERGE_BITS": {"min": 3, "max": 3},
}

f08_counting_bit_intrinsics = {
"LEADZ": {"min": 1, "max": 1},
"POPCNT": {"min": 1, "max": 1},
"POPPAR": {"min": 1, "max": 1},
"TRAILZ": {"min": 1, "max": 1},
}

f08_masking_bit_intrinsics = {
"MASKL": {"min": 1, "max": 2},
"MASKR": {"min": 1, "max": 2},
}

f08_bit_transformation_intrinsics = {
"IALL": {"min": 1, "max": 3},
"IANY": {"min": 1, "max": 3},
"IPARITY": {"min": 1, "max": 3},
}

f08_other_intrinsics = {
"STORAGE_SIZE": {"min": 1, "max": 3},

@arporter arporter Jul 24, 2026

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Should be max 2 I think?

"PARITY": {"min": 1, "max": 2},

@arporter arporter Jul 24, 2026

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Same here (if https://fortran-lang.org/learn/intrinsics/transform/#parity is to be believed).

"EXECUTE_COMMAND_LINE": {"min": 1, "max": 5},
"FINDLOC": {"min": 2, "max": 6},
}

f08_trig_and_hyper_functions = {
"ACOSH": {"min": 1, "max": 1},
"ASINH": {"min": 1, "max": 1},
"ATANH": {"min": 1, "max": 1},
}

f08_bessel_functions = {
"BESSEL_J0": {"min": 1, "max": 1},
"BESSEL_J1": {"min": 1, "max": 1},
"BESSEL_JN": {"min": 2, "max": 3},
"BESSEL_Y0": {"min": 1, "max": 1},
"BESSEL_Y1": {"min": 1, "max": 1},
"BESSEL_YN": {"min": 2, "max": 3},
}

# Create the dicts (not inherited from F2003_Intrinsic_Name)
generic_function_names = {}
generic_function_names.update(F2003_Intrinsic_Name.generic_function_names)
generic_function_names.update(f08_math_intrinsics)
generic_function_names.update(f08_bitsequence_comparison_intrinsics)
generic_function_names.update(f08_bitshift_intrinsics)
generic_function_names.update(f08_counting_bit_intrinsics)
generic_function_names.update(f08_masking_bit_intrinsics)
generic_function_names.update(f08_bit_transformation_intrinsics)
generic_function_names.update(f08_other_intrinsics)
generic_function_names.update(f08_trig_and_hyper_functions)
generic_function_names.update(f08_bessel_functions)

specific_function_names = F2003_Intrinsic_Name.specific_function_names

@arporter arporter Jul 24, 2026

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You need some tests :-) One for each new group added here will do I think. We could probably ask Claude to write a whole suite of tests for all of the intrinsics if you fancy trying that? Or could be a challenge for Hannah?

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