Struct simple_soft_float::PlatformProperties

pub struct PlatformProperties {
    pub canonical_nan_sign: Sign,
    pub canonical_nan_mantissa_msb: bool,
    pub canonical_nan_mantissa_second_to_msb: bool,
    pub canonical_nan_mantissa_rest: bool,
    pub std_bin_ops_nan_propagation_mode: BinaryNaNPropagationMode,
    pub fma_nan_propagation_mode: TernaryNaNPropagationMode,
    pub fma_inf_zero_qnan_result: FMAInfZeroQNaNResult,
    pub round_to_integral_nan_propagation_mode: UnaryNaNPropagationMode,
    pub next_up_or_down_nan_propagation_mode: UnaryNaNPropagationMode,
    pub scale_b_nan_propagation_mode: UnaryNaNPropagationMode,
    pub sqrt_nan_propagation_mode: UnaryNaNPropagationMode,
    pub float_to_float_conversion_nan_propagation_mode: FloatToFloatConversionNaNPropagationMode,
    pub rsqrt_nan_propagation_mode: UnaryNaNPropagationMode,
    // some fields omitted
}

properties of a floating-point implementation

Fields

canonical_nan_sign: Sign

sign of the canonical NaN

canonical_nan_mantissa_msb: bool

most-significant-bit of the mantissa of the canonical NaN

canonical_nan_mantissa_second_to_msb: bool

second-most-significant-bit of the mantissa of the canonical NaN

canonical_nan_mantissa_rest: bool

rest of the bits of the mantissa of the canonical NaN

std_bin_ops_nan_propagation_mode: BinaryNaNPropagationMode

NaN payload propagation mode for the standard binary operations

fma_nan_propagation_mode: TernaryNaNPropagationMode

NaN payload propagation mode for fused_mul_add

fma_inf_zero_qnan_result: FMAInfZeroQNaNResult

the result of fused_mul_add for (Infinity * 0.0) + QNaN and (0.0 * Infinity) + QNaN

round_to_integral_nan_propagation_mode: UnaryNaNPropagationMode

NaN payload propagation mode for round_to_integral

next_up_or_down_nan_propagation_mode: UnaryNaNPropagationMode

NaN payload propagation mode for next_up_or_down, next_up, and next_down

scale_b_nan_propagation_mode: UnaryNaNPropagationMode

NaN payload propagation mode for scale_b

sqrt_nan_propagation_mode: UnaryNaNPropagationMode

NaN payload propagation mode for sqrt

float_to_float_conversion_nan_propagation_mode: FloatToFloatConversionNaNPropagationMode

NaN payload propagation mode for float-to-float conversions

rsqrt_nan_propagation_mode: UnaryNaNPropagationMode

NaN payload propagation mode for rsqrt

Methods

impl PlatformProperties

pub const ARM: PlatformProperties

ARM 32-bit platform properties

pub const RISC_V: PlatformProperties

RISC-V platform properties

pub const POWER: PlatformProperties

Power ISA platform properties

pub const MIPS_2008: PlatformProperties

MIPS 2008 revision platform properties

pub const X86_SSE: PlatformProperties

x86 SSE/AVX platform properties

pub const SPARC: PlatformProperties

Sparc platform properties

pub const HPPA: PlatformProperties

HPPA platform properties

pub const MIPS_LEGACY: PlatformProperties

MIPS pre-2008 revision platform properties

impl PlatformProperties

pub const fn new_simple(
    canonical_nan_sign: Sign,
    canonical_nan_mantissa_msb: bool,
    canonical_nan_mantissa_second_to_msb: bool,
    canonical_nan_mantissa_rest: bool,
    unary_nan_propagation_mode: UnaryNaNPropagationMode,
    binary_nan_propagation_mode: BinaryNaNPropagationMode,
    ternary_nan_propagation_mode: TernaryNaNPropagationMode,
    fma_inf_zero_qnan_result: FMAInfZeroQNaNResult,
    float_to_float_conversion_nan_propagation_mode: FloatToFloatConversionNaNPropagationMode
) -> Self

create PlatformProperties

pub const fn default() -> Self

default PlatformProperties. currently returns RISC_V

pub fn quiet_nan_format(self) -> QuietNaNFormat

get the QuietNaNFormat

Trait Implementations

impl Clone for PlatformProperties

fn clone(&self) -> PlatformProperties

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Copy for PlatformProperties

impl Debug for PlatformProperties

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

Formats the value using the given formatter.

impl Default for PlatformProperties

fn default() -> PlatformProperties

Returns the "default value" for a type.

impl Eq for PlatformProperties

impl Hash for PlatformProperties

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given [Hasher].

fn hash_slice<H>(data: &[Self], state: &mut H) where
    H: Hasher, 

Feeds a slice of this type into the given [Hasher].

impl PartialEq<PlatformProperties> for PlatformProperties

fn eq(&self, other: &PlatformProperties) -> bool

This method tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &PlatformProperties) -> bool

This method tests for !=.

impl StructuralEq for PlatformProperties

impl StructuralPartialEq for PlatformProperties