Union Ase::FloatIEEE754

ClassList > Ase > FloatIEEE754

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• #include <mathutils.hh>

Public Attributes

Type	Name
uint	biased_exponent
char	chars
uint	mantissa
struct Ase::FloatIEEE754	mpn
uint	sign
float	v_float

Public Static Attributes

Type	Name
constexpr const int	BIAS = 127 Exponent bias.
constexpr const float	EPSILON = 5.9604644775390625e-08 2^-24, round-off error at 1.0
constexpr const float	FMAX = 3.40282347e+38 0x7f7fffff, 2^128 * (1 - epsilon)
constexpr const float	FMIN = 1.17549435e-38 0x00800000 Minimum Normal
constexpr const float	SMAX = 1.17549421e-38 0x007fffff Maximum Subnormal
constexpr const float	SMIN = 1.40129846e-45 0x00000001 Minimum Subnormal

Detailed Description

Union to compartmentalize an IEEE-754 float. IEEE 754 single precision floating point layout:

       31 30           23 22            0
+--------+---------------+---------------+
| s 1bit | e[30:23] 8bit | f[22:0] 23bit |
+--------+---------------+---------------+
B0------------------->B1------->B2-->B3-->

Public Attributes Documentation

variable biased_exponent

uint Ase::FloatIEEE754::biased_exponent;

---

variable chars

char Ase::FloatIEEE754::chars[4];

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variable mantissa

uint Ase::FloatIEEE754::mantissa;

---

variable mpn

struct Ase::FloatIEEE754 Ase::FloatIEEE754::mpn;

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variable sign

uint Ase::FloatIEEE754::sign;

---

variable v_float

float Ase::FloatIEEE754::v_float;

---

Public Static Attributes Documentation

variable BIAS

Exponent bias.

constexpr const int Ase::FloatIEEE754::BIAS;

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variable EPSILON

2^-24, round-off error at 1.0

constexpr const float Ase::FloatIEEE754::EPSILON;

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variable FMAX

0x7f7fffff, 2^128 * (1 - epsilon)

constexpr const float Ase::FloatIEEE754::FMAX;

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variable FMIN

0x00800000 Minimum Normal

constexpr const float Ase::FloatIEEE754::FMIN;

---

variable SMAX

0x007fffff Maximum Subnormal

constexpr const float Ase::FloatIEEE754::SMAX;

---

variable SMIN

0x00000001 Minimum Subnormal

constexpr const float Ase::FloatIEEE754::SMIN;

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The documentation for this class was generated from the following file /__w/anklang/anklang/ase/mathutils.hh