floating-point topic
shellmath
Yes, Virginia, you can do floating-point arithmetic in Bash!
BigFloat
Arbitrary-Precision Floating Point Arithmetic Library [C++]
BigDecimal
An arbitrary-precision decimal (base 10) floating-point number class.
z80float
A fairly complete floating point library for the Z80 ! Includes 24-, 32-, and 80-bit formats.
FPTaylor
Tool for Rigorous Estimation of Round-Off Floating-Point Errors
ndzip
A High-Throughput Parallel Lossless Compressor for Scientific Data
float_eq-rs
Compare IEEE floating point values for equality.
fast-math
Fast, approximate versions of mathematical functions
bigdecimalmath
Pascal library for arbitrary precision BCD floating point numbers
svreal
Synthesizable real number library in SystemVerilog, supporting both fixed- and floating-point formats