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Henrik RydgårdandClaude Opus 5.5
73f492c311
Truncating both terms to the precision of the larger one is clearing the low 8 + (exponent difference) bits of each, after which a float sum is exact. Only the products still go through doubles, since a product of two float24s needs up to 32 bits before it's truncated. Same results. Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
To get to 100% compatibility, we will need a software renderer as there are games out there that do tricks that can't really be faked in a sensible way. Useful for homebrew too that mix sw and accel rendering.