python - What is inf and nan? - Stack Overflow inf is infinity - a value that is greater than any other value -inf is therefore smaller than any other value nan stands for Not A Number, and this is not equal to 0 Although positive and negative infinity can be said to be symmetric about 0, the same can be said for any value n, meaning that the result of adding the two yields nan This idea is discussed in this math se question Because
What is the point of float(inf) in Python? - Stack Overflow Just wondering over here, what is the point of having a variable store an infinite value in a program? Is there any actual use and is there any case where it would be preferable to use foo = float(
supremum and infimum - What does the notation inf {. . . } mean . . . This answer is a bit like Q “what does etc mean” being answered with “etc means et cetera ” I e factually correct but not really what the OP was seeking If the OP knew what infimum was they would know what inf meant
Python: inf is inf, but -inf is not -inf? - Stack Overflow 15 inf is a variable, bound to a specific object Any object is itself, so inf is inf -inf is an expression It does math, and produces an object with value floating-point negative infinity Python makes no promises about whether this will be the same object as any other object with that value
What is infinity divided by infinity? - Mathematics Stack Exchange I know that $\\infty \\infty$ is not generally defined However, if we have 2 equal infinities divided by each other, would it be 1? if we have an infinity divided by another half-as-big infinity, for
math - How to use nan and inf in C? - Stack Overflow 122 I have a numerical method that could return nan or inf if there was an error, and for testing purposed I'd like to temporarily force it to return nan or inf to ensure the situation is being handled correctly Is there a reliable, compiler-independent way to create values of nan and inf in C?