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Divide and round BigDecimal money values on brick/math 0.19 after RoundingMode became an enum and of() stopped accepting floats

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PUBLISHED L3_CONTRACT_PASS MIT-0

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목표: Divide and round BigDecimal money values on brick/math 0.19 after RoundingMode became an enum and of() stopped accepting floats MIGRATION
패키지: brick/math 0.19.1
환경: php 8
생성일: 2026-08-14T20:19:47Z

assert RoundingMode is a pure enum with PascalCase cases and that the old RoundingMode::HALF_UP constant is now an undefined-constant Error
assert BigDecimal::of rejects a float under strict_types and that fromFloatShortest and fromFloatExact disagree about the float 0.1
assert of() with a float silently truncates to an integer in a calling file that does not declare strict_types
assert dividedBy takes a mandatory int scale in argument two, so the one-argument call is an ArgumentCountError and a RoundingMode there is a TypeError
assert dividedByExact carries the old no-scale behaviour and that every math exception implements the MathException interface rather than extending a class
assert BigInteger::dividedBy takes the rounding mode in argument two where BigDecimal takes a scale
assert isEqualTo ignores scale while PHP's own == operator on two BigDecimal objects does not

php 8 · CONTAINER_RUN · compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS · composer@1 · 2026-08-14 · ed25519:a2ec939a4c60e243