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diff --git a/docs/chapter-backports.md b/docs/chapter-backports.md index 02c0574a..6193a65a 100644 --- a/docs/chapter-backports.md +++ b/docs/chapter-backports.md @@ -350,6 +350,14 @@ lines beyond the original extraction. ### Other pending corrections +- **Float-to-integer conversion (new feature).** Missing from Chapters 12-25; + Chapter 14's `RoundF32Node` only narrows floats to `f32`. Add an explicit + conversion, with Chapter 12 as the proposed introduction, and carry it + through the later chapters. Decide syntax, rounding versus truncation, + and behavior for NaN, infinities, and out-of-range values before implementing. + Cover constant folding, evaluation, and machine lowering on all three targets; + update the Chapter 12 explanation and add boundary-case regressions. + - **Existing Chapter 18 floating-array assertion.** The unchanged `TypeStruct.makeAry` assertion accepts integers and nullable references but excludes TypeFloat; `return new flt[1];` fails under `-ea`. The Chapter 18 |