numerical-methods

Numerical computing and equation solving

Programming C Floating-Point == Comparison Accuracy with 0.1 Steps

Learn why C's == operator fails for floating-point numbers like 0.1 increments due to binary precision. Use epsilon comparison, rounding, fixed-point scaling, and GSL for reliable equality checks and numerical solving.

#c
#floating-point
#numerical-methods
#gsl

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01/08/2026, 04:33 PM