Awesome Open Source
Awesome Open Source

Big Decimal Math

This unit provides an arbitrary precision BCD float number type. The usecase is performing a few arithmetic operations with the maximal possible accuracy and precision, e.g. calculating the sum of numbers from a text files, where the conversion from decimal input to binary floats would take more time than the calculation.

It can be used like any numeric type and supports:

  • At least numbers between 10-2147483647 to 102147483647 with 2147483647 decimal digit precision
  • All standard arithmetic and comparison operators
  • Rounding functions (floor, ceil, to-even, ..)
  • Some more advanced operations, e.g. power and sqrt
  • Accurate and precise binary float (single/double/extended) to BCD float and string conversion
  • ..

See my webpage for the detailed bigdecimalmath documentation

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