Struct fpopt::FEnv

pub struct FEnv(/* private fields */);

A wrapper around the floating point environment.

visit: https://cplusplus.com/reference/cfenv/fenv_t/ for more information about the underlying fenv_t type.

Implementations

impl FEnv

pub fn new() -> Result<Self, NonZeroI32>

pub fn hold(&mut self) -> Result<(), NonZeroI32>

visit: https://en.cppreference.com/w/c/numeric/fenv/feholdexcept

pub fn set(&self) -> Result<(), NonZeroI32>

visit: https://en.cppreference.com/w/c/numeric/fenv/feenv

pub fn get(&mut self) -> Result<(), NonZeroI32>

visit: https://en.cppreference.com/w/c/numeric/fenv/feenv

pub fn update(&self) -> Result<(), NonZeroI32>

visit:

pub fn inner(&self) -> &fenv_t

pub fn inner_mut(&mut self) -> &mut fenv_t

Methods from Deref<Target = fenv_t>

pub fn __opcode(&self) -> c_uint

pub fn set___opcode(&mut self, val: c_uint)

pub fn __glibc_reserved4(&self) -> c_uint

pub fn set___glibc_reserved4(&mut self, val: c_uint)

Trait Implementations

impl Clone for FEnv

fn clone(&self) -> FEnv

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for FEnv

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Deref for FEnv

type Target = fenv_t

The resulting type after dereferencing.

fn deref(&self) -> &Self::Target

Dereferences the value.

impl DerefMut for FEnv

fn deref_mut(&mut self) -> &mut Self::Target

Mutably dereferences the value.