type
<cfenv>
fenv_t
Floating-point environment type
Type that can represent the entire state of the floating-point environment, including its status flags (such as the active floating-point exceptions) and control modes (such as the rounding direction mode).
Specifics about this type depend on the library implementation: Its value shall be set by calling either fegetenv or feholdexcept, and can be applied by calling fesetenv or feupdateenv.
See also
- fegetenv
- Get floating-point environment (function)
- fesetenv
- Set floating-point environment (function)
- fexcept_t
- Floating-point exceptions type (type)