minimum double value in C/C++

c++ c math
Will picture Will · Jul 20, 2009 · Viewed 127.6k times · Source

Is there a standard and/or portable way to represent the smallest negative value (e.g. to use negative infinity) in a C(++) program?

DBL_MIN in float.h is the smallest positive number.

Answer

dfa picture dfa · Jul 20, 2009

-DBL_MAX in ANSI C, which is defined in float.h.

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