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Add native number cast operations
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@ -18,8 +18,9 @@ and this project does not currently adhere to a particular versioning scheme.
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### Added
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- Add `log` and `atan2` builtin functions. ([#583][gh-583])
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- Create new type of top-level definition for writing native HVM definitions. ([#586][gh-586])
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- Add `log` and `atan2` builtin functions. ([#583][gh-583])
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- Add `to_f24`, `to_u24` and `to_i24` number casting builtin functions. ([#582][gh-582])
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## [0.2.35] - 2024-06-06
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@ -340,6 +341,7 @@ and this project does not currently adhere to a particular versioning scheme.
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[gh-516]: https://github.com/HigherOrderCO/Bend/issues/516
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[gh-526]: https://github.com/HigherOrderCO/Bend/issues/526
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[gh-528]: https://github.com/HigherOrderCO/Bend/issues/528
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[gh-582]: https://github.com/HigherOrderCO/Bend/issues/582
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[gh-583]: https://github.com/HigherOrderCO/Bend/issues/583
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[gh-586]: https://github.com/HigherOrderCO/Bend/issues/586
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[Unreleased]: https://github.com/HigherOrderCO/Bend/compare/0.2.35...HEAD
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@ -242,3 +242,21 @@ def atan2(x: f24, y: f24) -> f24
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Computes the arctangent of `y / x`.
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Has the same behaviour as `atan2f` in the C math lib.
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### to_f24
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```py
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def to_f24(x: any number) -> f24
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```
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Casts any native number to an f24.
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### to_u24
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```py
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def to_u24(x: any number) -> u24
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```
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Casts any native number to a u24.
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### to_i24
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```py
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def to_i24(x: any number) -> i24
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```
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Casts any native number to an i24.
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@ -126,3 +126,18 @@ hvm log:
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# Computes the arctangent of the quotient of its two arguments.
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hvm atan2:
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($([&] $(y ret)) (y ret))
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# to_f24(x: native number) -> f24
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# Casts any native number to an f24.
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hvm to_f24:
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($([f24] ret) ret)
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# to_u24(x: native number) -> u24
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# Casts any native number to a u24.
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hvm to_u24:
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($([u24] ret) ret)
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# to_i24(x: native number) -> i24
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# Casts any native number to an i24.
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hvm to_i24:
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($([i24] ret) ret)
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@ -129,21 +129,21 @@ pub fn desugar_book(
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ctx.book.make_var_names_unique();
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ctx.book.desugar_use();
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ctx.book.make_var_names_unique();
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ctx.book.linearize_vars();
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// sanity check
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ctx.check_unbound_vars()?;
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// Optimizing passes
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if opts.float_combinators {
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ctx.book.float_combinators(MAX_NET_SIZE);
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}
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// sanity check
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ctx.check_unbound_refs()?;
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// Optimizing passes
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ctx.prune(opts.prune);
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if opts.merge {
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ctx.book.merge_definitions();
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}
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@ -1,5 +1,5 @@
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# Expected +42.0
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hvm to_f24:
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hvm to_f24_:
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($([f24] a) a)
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main = (to_f24 42)
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main = (to_f24_ 42)
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48
tests/golden_tests/run_file/num_cast.bend
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48
tests/golden_tests/run_file/num_cast.bend
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@ -0,0 +1,48 @@
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main =
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use inf = (** 9.0 (** 9.0 9.0))
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(
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(to_u24 0),
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(to_u24 1),
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(to_u24 123456),
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(to_u24 -1),
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(to_u24 +1),
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(to_u24 +0),
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(to_u24 +400),
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(to_u24 1.0),
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(to_u24 1.5),
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(to_u24 -3.0),
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(to_u24 -3.5),
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(to_u24 inf), # inf
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(to_u24 (* -1.0 inf)), # -inf
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(to_u24 (/ inf inf)), # nan (inf/inf)
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99999,
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(to_i24 0),
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(to_i24 1),
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(to_i24 123456),
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(to_i24 -1),
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(to_i24 +1),
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(to_i24 +0),
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(to_i24 +400),
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(to_i24 1.0),
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(to_i24 1.5),
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(to_i24 -3.0),
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(to_i24 -3.5),
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(to_i24 inf), # inf
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(to_i24 (* -1.0 inf)), # -inf
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(to_i24 (/ inf inf)), # nan (inf/inf)
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99999,
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(to_f24 0),
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(to_f24 1),
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(to_f24 123456),
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(to_f24 -1),
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(to_f24 +1),
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(to_f24 +0),
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(to_f24 +400),
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(to_f24 1.0),
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(to_f24 1.5),
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(to_f24 -3.0),
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(to_f24 -3.5),
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(to_f24 inf), # inf
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(to_f24 (* -1.0 inf)), # -inf
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(to_f24 (/ inf inf)) # nan (inf/inf)
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)
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9
tests/snapshots/run_file__num_cast.bend.snap
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9
tests/snapshots/run_file__num_cast.bend.snap
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@ -0,0 +1,9 @@
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---
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source: tests/golden_tests.rs
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input_file: tests/golden_tests/run_file/num_cast.bend
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---
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NumScott:
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(0, (1, (123456, (16777215, (1, (0, (400, (1, (1, (0, (0, (16777215, (0, (0, (99999, (+0, (+1, (+123456, (-1, (+1, (+0, (+400, (+1, (+1, (-3, (-3, (+8388607, (-8388608, (+0, (99999, (0.000, (1.000, (123456.000, (-1.000, (1.000, (0.000, (400.000, (1.000, (1.500, (-3.000, (-3.500, (inf, (-inf, NaN)))))))))))))))))))))))))))))))))))))))))))
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Scott:
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(0, (1, (123456, (16777215, (1, (0, (400, (1, (1, (0, (0, (16777215, (0, (0, (99999, (+0, (+1, (+123456, (-1, (+1, (+0, (+400, (+1, (+1, (-3, (-3, (+8388607, (-8388608, (+0, (99999, (0.000, (1.000, (123456.000, (-1.000, (1.000, (0.000, (400.000, (1.000, (1.500, (-3.000, (-3.500, (inf, (-inf, NaN)))))))))))))))))))))))))))))))))))))))))))
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