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Update kmath-ast/README.md to decipher acronyms

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Iaroslav 2020-06-27 21:56:58 +07:00
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# AST-based expression representation and operations (`kmath-ast`) # Abstract syntax tree expression representation and operations (`kmath-ast`)
This subproject implements the following features: This subproject implements the following features:
- Expression Language and its parser. - Expression Language and its parser.
- MST as expression language's syntax intermediate representation. - MST (Mathematical Syntax Tree) as expression language's syntax intermediate representation.
- Type-safe builder of MST. - Type-safe builder for MST.
- Evaluating expressions by traversing MST. - Evaluating expressions by traversing MST.
## Dynamic expression code generation with OW2 ASM ## Dynamic expression code generation with ObjectWeb ASM
`kmath-ast` JVM module supports runtime code generation to eliminate overhead of tree traversal. Code generator builds `kmath-ast` JVM module supports runtime code generation to eliminate overhead of tree traversal. Code generator builds
a special implementation of `Expression<T>` with implemented `invoke` function. a special implementation of `Expression<T>` with implemented `invoke` function.
@ -46,7 +46,7 @@ public final class AsmCompiledExpression_1073786867_0 implements Expression<Doub
### Example Usage ### Example Usage
This API is an extension to MST and MstExpression APIs. You may optimize both MST and MSTExpression: This API is an extension to MST and MstExpression, so you may optimize as both of them:
```kotlin ```kotlin
RealField.mstInField { symbol("x") + 2 }.compile() RealField.mstInField { symbol("x") + 2 }.compile()