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Add powers and convert to Minion #589
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niklasdewally
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Implement powers `x**y`. * Add the `UnsafePow`, `SafePow`, and `FlatPow` expressions * JSON Parsing of `x**y` into `UnsafePow`. * Defindness semantics / bubble rules. * Add partial / total evaluation. * Flatten `SafePow` expressions. * Add Minion introduction rule for `FlatPow`. * Add solver adaptor support. UNDEFINEDNESS SEMANTICS `x**y=z` is defined when: ``` (x!=0 \/ y!=0) /\ y>=0 ``` [Savile Row Manual] This commit adds a `UnsafePow` and `SafePow` expression, representing the power operation before and after it has been made safe. Similarly to division, safety is achieved by converting `UnsafePow` to `SafePow`, and bubbling up the definedness condition `(x!=0 \/ y!=0) /\ y>=0)`.
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Add powers and convert to Minion Implement powers `x**y`. * Add the `UnsafePow`, `SafePow`, and `FlatPowEq` expressions * JSON Parsing of `x**y` into `UnsafePow`. * Defindness semantics / bubble rules. * Add partial / total evaluation. * Flatten `SafePow` expressions. * Add Minion introduction rule for `FlatPowEq`. * Add solver adaptor support. UNDEFINEDNESS SEMANTICS `x**y=z` is defined when: ``` (x!=0 \/ y!=0) /\ y>=0 ``` [Savile Row Manual] This commit adds a `UnsafePow` and `SafePow` expression, representing the power operation before and after it has been made safe. Similarly to division, safety is achieved by converting `UnsafePow` to `SafePow`, and bubbling up the definedness condition `(x!=0 \/ y!=0) /\ y>=0)`.
ozgurakgun
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Jan 14, 2025
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LGTM once you clarify the minion semantics question and deal with the commented out code comment.
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Implement powers
x**y
.UnsafePow
,SafePow
, andFlatPowEq
expressionsx**y
intoUnsafePow
.SafePow
expressions.FlatPow
.UNDEFINEDNESS SEMANTICS
x**y=z
is defined when:[Savile Row Manual]
This commit adds a
UnsafePow
andSafePow
expression, representingthe power operation before and after it has been made safe.
Similarly to division, safety is achieved by converting
UnsafePow
toSafePow
and bubbling up the definedness condition(x!=0 \/ y!=0) /\ y>=0)
.