objective c - How to convert a number range from 0-200 into 1-5 range -

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i have value 0 200 0 better quality , 200 worst quality.

how convert (in obj-c/cocoa framework) integer 0-5 being 5 best?.

for example 200 0 , 0 5.

hopefully rounding works here:

int input; int output = 5 - (int)floorf( ((float)input)/40.0f);

you may same results doing

int output = 5 - (input/40);

but depends on compiler's math settings.


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