Difference between revisions of "cpp/numeric"
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The header {{tt|fenv}} defines [[cpp/numeric/fenv|flags and functions related to exceptional floating-point state]], such as overflow and division by zero. | The header {{tt|fenv}} defines [[cpp/numeric/fenv|flags and functions related to exceptional floating-point state]], such as overflow and division by zero. | ||
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Revision as of 13:26, 2 November 2012
The C++ numerics library includes common mathematical functions and types, as well as optimized numeric arrays and support for random number generation.
Contents |
Common mathematical functions
The header cmath provides standard C library mathematical functions such as std::fabs, std::sqrt, and std::sin.
Complex numbers
| Defined in header
<complex> | |
| a complex number type (class template) | |
Numeric arrays
| Defined in header
<valarray> | |
| numeric arrays and array slices (class template) | |
Generic numeric operations
Pseudo-random number generation
The header random defines pseudo-random number generators and numerical distributions. The header cstdlib also includes C-style random number generation via std::srand and std::rand.
Compile time rational arithmetic (since C++11)
The header ratio provides types and functions for manipulating and storing compile-time ratios.
Floating-point environment
The header fenv defines flags and functions related to exceptional floating-point state, such as overflow and division by zero.
