ibaker 885ddb167e Add general-purpose overflow-resistant divide+multiply util method ... This is equivalent to the existing `scaleLargeTimestamp` method with the following changes/improvements: * No longer specific to timestamps (there was nothing inherently time-specific about the logic in `scaleLargeTimestamp`, but the name and docs suggested it shouldn't be used for non-timestamp use-cases). * Additional 'perfect division' checks between `value` and `divisor`. * The caller can now provide a `RoundingMode`. * Robust against `multiplier == 0`. * Some extra branches before falling through to (potentially lossy) floating-point math, including trying to simplify the fraction with greatest common divisor to reduce the chance of overflowing `long`. This was discussed during review of 6e91f0d4c5 This change also includes some golden test file updates - these represent a bug fix where floating-point maths had previously resulted in a timestamp being incorrectly rounded down to the previous microsecond. These changes are due to the 'some more branches' mentioned above. PiperOrigin-RevId: 564760748		2023-09-12 10:22:57 -07:00
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androidx/media3/common	Add general-purpose overflow-resistant divide+multiply util method	2023-09-12 10:22:57 -07:00