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Change Log

All notable changes to this project will be documented in this file.

[UNRELEASED]

Added

  • #1720 : Add support for Ellipsis as the only index for an array.
  • #1694 : Add Python support for list method extend().
  • #1696 : Add Python support for list method copy().
  • #1693 : Add Python support for list method remove().
  • #1739 : Add abstract class SetMethod to handle calls to various set methods.
  • #1739 : Add Python support for set method clear().
  • #1740 : Add Python support for set method copy().
  • #1750 : Add Python support for set method remove().
  • #1743 : Add Python support for set method discard().
  • #1787 : Ensure STC is installed with Pyccel.
  • #1656 : Ensure gFTL is installed with Pyccel.
  • #1830 : Add a pyccel.lambdify.lambdify function to accelerate SymPy expressions.
  • [INTERNALS] Added container_rank property to ast.datatypes.PyccelType objects.
  • [DEVELOPER] Added an improved traceback to the developer-mode errors for errors in function calls.

Fixed

  • #1720 : Fix Undefined Variable error when the function definition is after the variable declaration.
  • #1762 : Fix array copy between different data types.
  • #1763 Use np.result_type to avoid mistakes in non-trivial NumPy type promotion rules.
  • Fix some cases where a Python built-in type is returned in place of a NumPy type.
  • Stop printing numbers with more decimal digits than their precision.
  • Allow printing the result of a function returning multiple objects of different types.
  • #1792 : Fix array unpacking.
  • #1795 : Fix bug when returning slices in C.
  • #1732 : Fix multidimensional list indexing in Python.
  • #1785 : Add missing cast when creating an array of booleans from non-boolean values.
  • #1218 : Fix bug when assigning an array to a slice in Fortran.
  • #1830 : Fix missing allocation when returning an annotated array expression.
  • #1821 : Ensure an error is raised when creating an ambiguous interface.

Changed

  • #1720 : functions with the @inline decorator are no longer exposed to Python in the shared library.
  • #1720 : Error raised when incompatible arguments are passed to an inlined function is now fatal.
  • [TESTS] Filter out cast warnings in cast tests.
  • [INTERNALS] FunctionDef is annotated when it is called, or at the end of the CodeBlock if it is never called.
  • [INTERNALS] InlinedFunctionDef is only annotated if it is called.
  • [INTERNALS] Build utilities.metaclasses.ArgumentSingleton on the fly to ensure correct docstrings.
  • [INTERNALS] Rewrite datatyping system. See #1722.
  • [INTERNALS] Moved precision from ast.basic.TypedAstNode to an internal property of ast.datatypes.FixedSizeNumericType objects.
  • [INTERNALS] Moved rank from ast.basic.TypedAstNode to an internal property of ast.datatypes.PyccelType objects.
  • [INTERNALS] Moved order from ast.basic.TypedAstNode to an internal property of ast.datatypes.PyccelType objects.
  • [INTERNALS] Use cached __add__ method to determine result type of arithmetic operations.
  • [INTERNALS] Use cached __and__ method to determine result type of bitwise comparison operations.
  • [INTERNALS] Removed unused fcode, ccode, cwrappercode, luacode, and pycode functions from printers.
  • [INTERNALS] Removed unused arguments from methods in pyccel.codegen.codegen.Codegen.
  • [INTERNALS] Stop storing FunctionDef, ClassDef, and Import objects inside CodeBlocks.
  • [INTERNALS] Remove the order argument from the pyccel.ast.core.Allocate constructor.
  • [INTERNALS] Remove rank and order arguments from pyccel.ast.variable.Variable constructor.

Deprecated

  • #1786 : Remove support for real and integer as type annotations.
  • #1812 : Stop allowing multiple main blocks inside a module.
  • [INTERNALS] Remove property ast.basic.TypedAstNode.precision.
  • [INTERNALS] Remove class ast.datatypes.DataType (replaced by ast.datatypes.PrimitiveType and ast.datatypes.PyccelType).
  • [INTERNALS] Remove unused properties prefix and alias from CustomDataType.
  • [INTERNALS] Remove ast.basic.TypedAstNode._dtype. The datatype can still be accessed as it is contained within the class type.
  • [INTERNALS] Removed unused and undocumented function get_function_from_ast.
  • [INTERNALS] Remove unused parameters expr, status and like from pyccel.ast.core.Assign.

[1.11.2] - 2024-03-05

Added

  • #1689 : Add Python support for list method append().
  • #1692 : Add Python support for list method insert().
  • #1690 : Add Python support for list method pop().
  • #1691 : Add Python support for list method clear().
  • #1575 : Add support for homogeneous tuple type annotations on variables.
  • #1425 : Add support for numpy.isnan, numpy.isinf and numpy.isfinite.
  • #1738 : Add Python support for creating scalar sets with {}.
  • #1738 : Add Python support for set method add.
  • #1749 : Add Python support for set method pop().

Fixed

  • #1575 : Fixed inhomogeneous tuple (due to incompatible sizes) being treated as homogeneous tuple.
  • #1182 : Fix tuples containing objects with different ranks.
  • #1575 : Fix duplication operator for non-homogeneous tuples with a non-literal but constant multiplier.
  • #1779 : Fix standalone partial templates.

Changed

  • #1776 : Increase minimum version for pytest to 7.0.

Deprecated

  • [INTERNALS] Remove unnecessary dtype parameter from ast.core.Declare class.
  • [INTERNALS] Remove unnecessary passed_from_dotted parameter from ast.core.Declare class.
  • [INTERNALS] Remove unused ast.core.Block class.

[1.11.1] - 2024-02-13

Fixed

  • #1724 : Fix returns in for loops

[1.11.0] - 2024-02-12

Added

  • #1645 : Handle deprecated ast classes.
  • #1649 : Add support for np.min in C code.
  • #1621 : Add support for np.max in C code.
  • #1571 : Add support for the function tuple.
  • #1493 : Add preliminary support for importing classes.
  • #1578 : Allow classes to avoid type annotations for the self argument of a method.
  • #1597 : Handle class docstrings.
  • #1494 : Add support for functions returning class instances.
  • #1495 : Add support for functions with class instance arguments.
  • #1684 : Add support for classes without __init__ functions.
  • #1685 : Add support for type() function with class instance argument.
  • #1605 : Add support for methods and interfaces in classes (including __init__ and __del__).
  • #1618 : Add support for class instance attributes.
  • #1680 : Add support for typing.Final.
  • Add a --time_execution flag to allow detailed investigation of critical sections of code.
  • #1659 : Add multi-file support for classes.
  • #1708 : Allow returning pointers to arguments from functions.
  • [INTERNALS] Add class_type attribute to TypedAstNode.
  • [INTERNALS] Add PyccelPyArrayObject datatype.

Fixed

  • #1587 : Fix unnecessarily long file names generated by epyccel.
  • #1576 : Correct destructor invocation for proper cleanup.
  • #1576 : Remove inline class method definition.
  • Ensure an error is raised when if conditions are used in comprehension statements.
  • #1553 : Fix np.sign when using the ifort compiler.
  • #1582 : Allow homogeneous tuples in classes.
  • #1619 : Give priority to imported functions over builtin functions.
  • #1614 : Allow relative paths for custom compilation file.
  • #1615 : Fixed infinite loop when passing slices while copying arrays.
  • #1628 : Fixed segmentation fault when writing to optional scalars.
  • #1554 : Fix exit statement in Fortran with Intel compiler.
  • #1564 : Fixed installation problems on Python 3.12.
  • #1259 : Fix bug causing problems with user editable installation.
  • #1651 : Fix name collision resolution to include parent scopes.
  • #1156 : Raise an error for variable name collisions with non-variable objects.
  • #1507 : Fix problems with name collisions in class functions.
  • Ensure pyccel-init calls the related function.
  • Stop unnecessarily importing deprecated NumPy classes int, bool, float, complex in Python translation.
  • #1712 : Fix library path and OpenMP support for recent Apple chips by getting Homebrew directory with brew --prefix.
  • #1687 : Pointers in tuples are deallocated.
  • #1586 : Raise an error for targets of class instances which go out of scope too early.
  • #1717 : Fix a bug when handling paths with dots.

Changed

  • #1672 : Make icx and ifx the default Intel compilers (Found in Intel oneAPI).
  • #1644 : Stop printing the step of a range if that step is 1.
  • #1638 : Migrate from setuptools to hatch for installation scripts.
  • Don't raise a warning for an unnecessary specification of the order.
  • [INTERNALS] #1593 : Rename PyccelAstNode.fst to the PyccelAstNode.ast.
  • [INTERNALS] #1593 : Use a setter instead of a method to update PyccelAstNode.ast.
  • [INTERNALS] #1593 : Rename BasicParser._current_fst_node to the BasicParser._current_ast_node.
  • [INTERNALS] #1390 : Remove dead code handling a CodeBlock in an assignment.
  • [INTERNALS] #1582 : Remove the HomogeneousTupleVariable type.
  • [INTERNALS] #1581 : Unify handling of string and Python annotations.

Deprecated

  • #1593 : Remove undocumented, broken lambdify method.
  • [INTERNALS] #1584 : Remove unused functions from pyccel.ast.core : inline, subs, get_iterable_ranges.
  • [INTERNALS] #1584 : Remove unused functions from pyccel.ast.datatypes : is_iterable_datatype, is_with_construct_datatype, is_pyccel_datatype.
  • [INTERNALS] #1584 : Remove unused class from pyccel.ast.core: ForIterator.
  • [INTERNALS] #1584 : Remove unused method from pyccel.ast.core: ClassDef.get_attribute.
  • [INTERNALS] #1676 : Remove DottedFunctionCall from pyccel.ast.core (use bound_argument instead).
  • [INTERNALS] #1683 : Remove unused redundant class from pyccel.ast.datatypes: UnionType.

[1.10.0] - 2023-10-23

Added

  • #633 & #1518 : Allow non-trivial types to be specified with mypy-compatible annotations.
  • #1336 : Use template as a partial type.
  • #1509 : Add type annotations for variables.
  • #1528 : Add support for variable declarations in classes.
  • #1491 : Add documentation for classes.

Fixed

  • #387 : Raise a clear error when an unrecognised type is used in a type annotation.
  • #1556 : Fixed print format string for Intel compatibility.
  • #1557 : Fix return a new instance of a class.
  • #1557 : Fix save multiple class instances to the same variable.

Changed

  • [INTERNALS] #1520 : ScopedNode -> ScopedAstNode.
  • [INTERNALS] #1520 : PyccelAstNode -> TypedAstNode.
  • [INTERNALS] #1520 : Basic -> PyccelAstNode.

Deprecated

  • Drop official support for Python 3.7 due to End of Life.

[1.9.2] - 2023-10-13

Added

  • #1476 : Add C support for a class containing Interfaces.
  • #1472 : Add C printing support for a class containing scalar data.
  • #1492 : Types of arguments for class methods can be declared like function arguments.
  • #1511 : Add support for the cmath library.
  • Output readable header syntax errors.
  • New environment variable PYCCEL_DEFAULT_COMPILER.
  • #1508 : Add C support for a class destructor.
  • #1508 : Add support for array data in classes.

Fixed

  • #1484 : Use scope for classes to avoid name clashes.
  • Stop raising warning for unrecognised functions imported via intermediate modules.
  • #1156 : Raise a neat error for unhandled inhomogeneous tuple expressions.
  • Set status of header variables to 'unallocated'.
  • #1508 : Generate deallocations for classes and their attributes.

Changed

  • #1484 : Improve handling of DottedName in _assign_lhs_variable.
  • [INTERNALS] Move handling of variable headers to semantic stage.
  • [INTERNALS] Moved handling of type annotations to the semantic stage.
  • [INTERNALS] Remove unnecessary body argument from FunctionAddress.

Deprecated

  • #1513 : Stop printing @types decorators in generated Python code.
  • Remove support for undocumented type syntax specifying precision (e.g. int*8).
  • No longer possible to combine header annotations and argument type annotations.
  • Remove support for specifying header annotations in a separate file.
  • [INTERNALS] Remove dtype_registry in favour of dtype_and_precision_registry.
  • [INTERNALS] Prefer DataType keys over string keys which describe data types.

[1.9.1] - 2023-08-31

Added

  • #1497 : Add support for NumPy copy method: a.copy.
  • #1497 : Add support for NumPy function copy.

Fixed

  • #1499 : Fix passing temporary arrays to functions.
  • #1241 : Missing transpose when converting from a C-ordered array to F-ordered array.
  • #1241 : Incorrect transpose when copying an F-ordered array.
  • #1241 : Fix infinite loop when passing an array as the only argument to np.array.
  • #1506 : Increment Py_None reference count to avoid unexpected deallocation.

[1.9.0] - 2023-08-22

Added

  • #752 : Allow passing array variables to numpy.array.
  • #1280 : Allow copying arrays using numpy.array.
  • Allow interfaces in classes.
  • Add Python support for a simple class.
  • #1430 : Add conjugate support to booleans.
  • #1452 : Add C printing support for a class containing only functions.
  • #1260 : Add support for NumPy dtype property: a.dtype.
  • #1260 : Add support for NumPy result_type function.

Fixed

  • #682 : Wrong data layout when copying a slice of an array.
  • #1453 : Fix error-level developer mode output.
  • [INTERNALS] Fix string base class selection.
  • #1496 : Fix interfaces which differ only by order or rank.

Changed

  • #1455 : Make ConstructorCall inherit from FunctionCall.
  • Updating stdlib files if they are modified not just accessed.
  • pyccel_clean tool now deletes folders starting with __pyccel__ and __epyccel__.
  • Pyccel-generated folder names are dependent on PYTEST_XDIST_WORKER when running with pytest-xdist.
  • [INTERNALS] Add class object to class function call arguments.
  • [INTERNALS] In ast.numpyext rename Shape as NumpyShape, NumpyArraySize as NumpySize
  • [INTERNALS] In ast.internals rename PyccelArraySize as PyccelArraySizeElement, create new PyccelArraySize w/out index argument
  • [INTERNALS] Make NumpySize a factory class (which cannot be instantiated)
  • [INTERNALS] Re-write C-Python API wrapping stage (#1477)

Deprecated

  • Using a @types decorator will raise a FutureWarning as this will be deprecated in a future version.
  • Using a type specification header will raise a FutureWarning as this will be deprecated in a future version.
  • Stop generating numpy.bool (deprecated from NumPy) in code.
  • [INTERNALS] Removed obsolete folder.
  • [INTERNALS] Removed out of date samples folder.
  • [INTERNALS] Removed out of date doc folder.
  • [INTERNALS] Removed benchmarks folder. Code is still available in benchmark repository.
  • [INTERNALS] Removed bugs folder.
  • [INTERNALS] Removed inprogress folder.
  • [INTERNALS] Remove old Travis configuration file.

[1.8.1] - 2023-07-07

Added

  • #1430 : Added conjugate support to integers and floats.

Fixed

  • #1427 : Fix augmented assignment with a literal right hand side in templated code.

[1.8.0] - 2023-06-20

Added

  • #1400 : Added flags to Pyccel for managing conda PATH warnings.

Fixed

  • #1404 : Bug preventing printing of some functions in a print() call.
  • #1302 : Raise error message in case of empty class.
  • #1407 : Raise an error if file name matches a Python built-in module.
  • #929 : Allow optional variables when compiling with Intel or NVIDIA.
  • #1117 : Allow non-contiguous arrays to be passed to Fortran code.
  • #1415 : Fix incorrect handling of assignments augmented by function calls.
  • #1418 : Fix itertools.product implementation.

Changed

  • #1355 : Remove unused BasicParser arguments.
  • [INTERNALS] Re-write bind-c wrapping stage (#1388)

[1.7.4] - 2023-05-02

Added

  • #1352 : Added a change log.

Fixed

  • #1367 : Use an absolute path to link to Python library.
  • #1379 : Ensure temporary arrays created for function calls are correctly declared in loops.

Changed

  • Default to linking Python dynamically instead of statically
  • Ensure only absolute paths are used in compilation command.
  • [INTERNALS] Use FunctionDefArgument to store all argument specific properties.
  • [INTERNALS] Reduce carbon footprint by avoiding unnecessary CI testing.
  • [INTERNALS] Automatise PR labelling and review progress prompts.
  • [INTERNALS] Enforce the use of FunctionDefArgument in FunctionDef.
  • [INTERNALS] Use FunctionDefResult to store all result specific properties.

[1.7.3] - 2023-03-07

Added

  • Improved developer docs (code generation stage).

Fixed

  • #1337 : Bug causing overflow errors when templates are used in functions with a large number of arguments.
  • #892 : Bug in the wrapper preventing an argument from using templates to have both a scalar and an array type.

Changed

  • [INTERNALS] Add validation of docstrings to CI.

[1.7.2] - 2023-02-02

Added

Fixed

  • #1288 : Bug in slice indexing in C code.
  • #1318 : Bug preventing use of np.linspace more than once in a given function.

Changed

  • [INTERNALS] Uniformise line endings and enforce the convention through the use of a .gitattributes file.
  • [INTERNALS] Add human-readable summaries to tests.
  • [INTERNALS] Add tests to ensure Pyccel conventions are followed.
  • [INTERNALS] Add tests to check spelling.

[1.7.1] - 2023-01-26

Added

Fixed

  • #1184 : Bug preventing compilation on systems where there is no static library available for Python.
  • #1281 : Bug causing assignment to pointer instead of incrementation.
  • #1282 : Imported constants cannot be returned from functions.
  • [INTERNALS] Bug in CI coverage for forks.

Changed

  • #1315 : Installation process modified to make test requirements a pip optional dependency.
  • #1245 : Reduce false negative test results by using a tolerance to compare floats.
  • #1272 : Remove use of deprecated NumPy syntax in tests.
  • #1253 : Provide minimum requirements.
  • [INTERNALS] #1385 : Remove unused settings keyword arguments from _visit function.