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@ -16,6 +16,34 @@ A number of Python features can be used inside a kernel for compilation and exec
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For a demonstration of some of these features, see the ``mandelbrot.py`` example.
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Remote procedure calls
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----------------------
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Kernel code can call host functions without any additional ceremony. However, such functions are assumed to return `None`, and if a value other than `None` is returned, an exception is raised. To call a host function returning a value other than `None` its return type must be annotated using the standard Python syntax, e.g.: ::
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def return_four() -> TInt32:
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return 4
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The Python types correspond to ARTIQ type annotations as follows:
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+-------------+-------------------------+
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| Python | ARTIQ |
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+=============+=========================+
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| NoneType | TNone |
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+-------------+-------------------------+
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| bool | TBool |
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+-------------+-------------------------+
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| int | TInt32, TInt64 |
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+-------------+-------------------------+
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| float | TFloat |
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+-------------+-------------------------+
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| str | TStr |
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+-------------+-------------------------+
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| list of T | TList(T) |
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+-------------+-------------------------+
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| range | TRange32, TRange64 |
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+-------------+-------------------------+
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Additional optimizations
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------------------------
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