v4.0.0

Changed

• Breaking: Rename fromSD590x18, fromUD60x18, toSD59x18, and toUD60x18 to convert (@PaulRBerg)
• Breaking: Rename Core.sol to Common.sol (@PaulRBerg)
• Breaking: Set minimum compiler pragma to >=0.8.19 (@PaulRBerg)
• Bump Node.js dependencies (@PaulRBerg)
• Bump submodules (@PaulRBerg)
• Clarify rounding modes (6bb53ea) (@PaulRBerg)
• Clarify that mulDiv rounds toward zero (cda291) (@PaulRBerg)
• Fix typo in code snippet in README (#180) (@cygaar)
• Format contracts with Forge Formatter (@PaulRBerg)
• Improve writing and formatting in documentation (@PaulRBerg)
• Make a distinction between lpotdod and its flipped counterpart in Common.mulDiv (@PaulRBerg)
• Open pragma in test assertions and utils (@PaulRBerg)
• Reorder statements in Common.mulDiv18 (@PaulRBerg)
• Rename Common.prbExp2 to Common.exp2 (@PaulRBerg)
• Rename Common.prbSqrt to Common.sqrt (@PaulRBerg)
• Rename Assertions to PRBMathAssertions (@PaulRBerg)
• Return base when exponent is unit in pow (#182) (@PaulRBerg)
• Return unit when base is unit in pow (#182) (@PaulRBerg)
• Switch to Pnpm for Node.js package management (@PaulRBerg)
• Use bound unwrap instead of imported unwrap (@PaulRBerg)
• Use long names in named imports (@PaulRBerg)

Added

• Add EXP_MAX_INPUT and EXP2_MAX_INPUT constants, and use them in exp and exp2 (@PaulRBerg)
• Add UNIT_SQUARED and use it instead of the hard-coded value (@PaulRBerg)
• Add user-defined operators (#168) (@Amxx,@PaulRBerg)
• Add unary operator (#173) (@Lumyo,@PaulRBerg)
• Expand domain of pow in UD60x18 by allowing inputs lower than UNIT (#182) (@PaulRBerg)

Removed

• Remove development-related Node.js dependencies (@PaulRBerg)
• Remove "memory-safe" annotation in test assertions (@PaulRBerg)
• Remove problematic src/=src/ remapping (@PaulRBerg)
• Remove superfluous threshold check in SD59x19.exp (@PaulRBerg)

Fixed

• Fix bit mask in Common.exp2 (#179) (@andreivladbrg)