You should not compare floating point numbers for equality in most
cases. This is true of any language on any platform.
Indeed, some floating-point numbers (such as the one represented by
the integer 0x7fc0) will compare as not equal to themselves:
I think what the OP really wanted to
Hi,
I need to output a double into a text file and then read it back with
100% accuracy, will using NSNumber stringValue and then using NSString
doubleValue give me good results?
For example, if I write the following:
double a,b;
a=some number;
b=[[[NSNumber numberWithDouble:a] stringVal