Which is the first integer that an IEEE 754 float is incapable of representing exactly?
For clarity, if I’m using a language that implements IEE 754 floats and I declare: float f0 = 0.f; float f1 = 1.f; … Read more
ieee-754
Float and double datatype in Java
The float data type is a single-precision 32-bit IEEE 754 floating point and the double data type is a double-precision 64-bit IEEE 754 … Read more
biggest integer that can be stored in a double
What is the biggest “no-floating” integer that can be stored in an IEEE 754 double type without losing precision ? 8 Answers 8
Why does NaN – NaN == 0.0 with the Intel C++ Compiler?
It is well-known that NaNs propagate in arithmetic, but I couldn’t find any demonstrations, so I wrote a small test: #include <limits> #include … Read more
What is the rationale for all comparisons returning false for IEEE754 NaN values?
Why do comparisons of NaN values behave differently from all other values? That is, all comparisons with the operators ==, <=, >=, <, … Read more
What is the difference between float and double?
I’ve read about the difference between double precision and single precision. However, in most cases, float and double seem to be interchangeable, i.e. … Read more