In the C language, (which is remotely on-topic in this thread/forum), there are constants defined via #define constructs, FLT_EPSILON and DBL_EPSILON, in \<float.h\>, which represent FP value resolution between 1.0 (inclusive) and 2.0 (exclusive).
In the C language, (which is remotely on-topic in this thread/forum), there are constants defined via #define constructs, FLT_EPSILON and DBL_EPSILON, in \<float.h\>, which represent FP value resolution between 1.0 (inclusive) and 2.0 (exclusive).