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c++ Programming Glossary: nextafterHow to find nearest next/previous double value (numeric_limits::epsilon for given number) http://stackoverflow.com/questions/10160079/how-to-find-nearest-next-previous-double-value-numeric-limitsepsilon-for-give implements C99's math functions C 11 you can use the nextafter #include cfloat DBL_MAX #include cmath std nextafter double.. the nextafter #include cfloat DBL_MAX #include cmath std nextafter double x 0.1 next representable number after x in the direction.. x in the direction of DBL_MAX double xPlusSmallest std nextafter x DBL_MAX Even if your compiler doesn't support it it probably..
Generate next largest or smallest representable floating point number without bit twiddling http://stackoverflow.com/questions/7408407/generate-next-largest-or-smallest-representable-floating-point-number-without-bi point share improve this question In C 11 you use std nextafter . Lacking that on a C99 system you use nextafterf nextafter.. use std nextafter . Lacking that on a C99 system you use nextafterf nextafter or nextafterl from the C math library for types float.. . Lacking that on a C99 system you use nextafterf nextafter or nextafterl from the C math library for types float double..
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