std:: feupdateenv
From cppreference.net
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Defined in header
<cfenv>
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int
feupdateenv
(
const
std::
fenv_t
*
envp
)
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(since C++11) | |
First, remembers the currently raised floating-point exceptions, then restores the floating-point environment from the object pointed to by
envp
(similar to
std::fesetenv
), then raises the floating-point exceptions that were saved.
This function may be used to end the non-stop mode established by an earlier call to std::feholdexcept .
Parameters
| envp | - |
pointer to the object of type
std::
fenv_t
set by an earlier call to
std::feholdexcept
or
std::fegetenv
or equal to
FE_DFL_ENV
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Return value
0 on success, non-zero otherwise.
See also
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(C++11)
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saves the environment, clears all status flags and ignores all future errors
(function) |
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(C++11)
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saves or restores the current floating-point environment
(function) |
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(C++11)
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default floating-point environment
(macro constant) |
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C documentation
for
feupdateenv
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