However, in most cases, float and double seem to be interchangeable, i.e I need to store a number that could reach into the high 10 digits Using one or the other does not seem to affec.
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From what i have read, a value of data type double has an approximate precision of 15 decimal places
However, when i use a number whose decimal representation repeats, such as 1.0/7.0, i find tha.
Long double vs double i am new to programming and i am unable to understand the difference between between long double and double in c and c++ I tried to google it but was unab. The term double precision is something of a misnomer because the precision is not really double But, in c++, when calling scanf and printf, the notation used to specify a double is %lf, and that stands for long float, right
So while a float is less precise than a double, a long float (presumedly called long float because it can be longer by having more terms) is the same accuracy and therefore essentially the same thing? The biggest/largest integer that can be stored in a double without losing precision is the same as the largest possible value of a double It's an integer, and it's represented exactly What you might want to know instead is what the largest integer is, such that it and all smaller integers can be.
A similar question for c/c++ (as this may be the top search engine hit)
How can i get double quotes into a string literal? 12 how can i realiably check if a variable is a double You need to be clearer about what you're really trying to do here I don't think you're asking what you think you're asking, and it's worth being aware of the differences in terminology
If you've got a variable which is declared to be of type double, then it's definitely a double. Afaik, c supports just a few data types Int, float, double, char, void enum
