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synced 2026-06-08 16:11:16 +00:00
Yukihiro "Matz" Matsumoto
36632f55f4
Embedding reduce memory consumption, sacrificing precision. It clips least significant 2 bits from `mrb_float`, so if you need to keep float precision, define `MRB_USE_FLOAT_FULL_PRECISION`. `MRB_WORD_BOXING` and `MRB_INT64`: `mrb_float` (`double`) is embedded in `mrb_value` clipped last 2 bits. `MRB_WORD_BOXING` and `MRB_INT64` and `MRB_USE_FLOAT_FULL_PRECISION`: `mrb_float` is allocated in the heaps wrapped by `struct RFloat`. `MRB_WORD_BOXING` and `MRB_INT32` and `MRB_USE_FLOAT32`: `mrb_float` (`float`) is embedded in `mrb_value` clipped last 2 bits. In addition, to reserve bit space in the `mrb_value`, maximum inline symbol length become 4 (instead of 5) in the configuration. `MRB_WORD_BOXING` and `MRB_INT32`: Assume `MRB_USE_FLOAT_FULL_PRECISION` and allocate Float values in heap.