FE_DFL_ENV
From cppreference.com
Defined in header <<fenv.h>>
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#define FE_DFL_ENV /*implementation defined*/ |
(since C99) | |
The macro constant FE_DFL_ENV expands to an expression of type const fenv_t*, which points to a full copy of the default floating-point environment, that is, the environment as loaded at program startup.
Additional macros that begin with FE_ followed by uppercase letters, and have the type const fenv_t*, may be supported by an implementation.
[edit] Example
This section is incomplete Reason: no example |
[edit] See also
(C99) |
saves or restores the current floating point environment (function) |
(C99) |
restores the floating-point environment and raises the previously raise exceptions (function) |
C++ documentation for FE_DFL_ENV
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