FixedTraits< 28 > Struct Template Reference

#include <fixedtraits.h>

Static Public Attributes
static const uint32_t	fixed_resolution_shift = 28
	1.0 representation. 28 is the highest power of two that can represent 9.99999... safely on 64 bits internally More...
static const int64_t	fixed_resolution = 1LL << fixed_resolution_shift
static const int32_t	max_power = 63 - fixed_resolution_shift
static const int64_t	internal_pi = 0x3243f6a8
static const int64_t	internal_two_pi = 0x6487ed51
static const int64_t	internal_half_pi = 0x1921fb54
static const int64_t	internal_quarter_pi = 0xc90fdaa
static const int64_t	log_two_power_n_reversed [35]
static const int64_t	log_one_plus_two_power_minus_n [28]
static const int64_t	log_one_over_one_minus_two_power_minus_n [28]
static const int64_t	arctantab [32]

Detailed Description

template<>
struct FixedTraits< 28 >

Definition at line 32 of file fixedtraits.h.

Member Data Documentation

arctantab

const int64_t FixedTraits< 28 >::arctantab

static

Definition at line 44 of file fixedtraits.h.

fixed_resolution

const int64_t FixedTraits< 28 >::fixed_resolution = 1LL << fixed_resolution_shift

static

Definition at line 35 of file fixedtraits.h.

fixed_resolution_shift

const uint32_t FixedTraits< 28 >::fixed_resolution_shift = 28

static

1.0 representation. 28 is the highest power of two that can represent 9.99999... safely on 64 bits internally

Definition at line 34 of file fixedtraits.h.

internal_half_pi

const int64_t FixedTraits< 28 >::internal_half_pi = 0x1921fb54

static

Definition at line 39 of file fixedtraits.h.

internal_pi

const int64_t FixedTraits< 28 >::internal_pi = 0x3243f6a8

static

Definition at line 37 of file fixedtraits.h.

internal_quarter_pi

const int64_t FixedTraits< 28 >::internal_quarter_pi = 0xc90fdaa

static

Definition at line 40 of file fixedtraits.h.

internal_two_pi

const int64_t FixedTraits< 28 >::internal_two_pi = 0x6487ed51

static

Definition at line 38 of file fixedtraits.h.

log_one_over_one_minus_two_power_minus_n

const int64_t FixedTraits< 28 >::log_one_over_one_minus_two_power_minus_n

static

Initial value:

= {
    0xB172180LL,
    0x49A5884LL,
    0x222F1D0LL,
    0x108598BLL,
    0x820AECLL,
    0x408159LL,
    0x20202BLL,
    0x100805LL,
    0x80201LL,
    0x40080LL,
    0x20020LL,
    0x10008LL,
    0x8002LL,
    0x4001LL,
    0x2000LL,
    0x1000LL,
    0x800LL,
    0x400LL,
    0x200LL,
    0x100LL,
    0x80LL,
    0x40LL,
    0x20LL,
    0x10LL,
    0x8LL,
    0x4LL,
    0x2LL,
    0x1LL
}

Definition at line 43 of file fixedtraits.h.

log_one_plus_two_power_minus_n

const int64_t FixedTraits< 28 >::log_one_plus_two_power_minus_n

static

Initial value:

= {
    0x67CC8FBLL,
    0x391FEF9LL,
    0x1E27077LL,
    0xF85186LL,
    0x7E0A6CLL,
    0x3F8151LL,
    0x1FE02ALL,
    0xFF805LL,
    0x7FE01LL,
    0x3FF80LL,
    0x1FFE0LL,
    0xFFF8LL,
    0x7FFELL,
    0x4000LL,
    0x2000LL,
    0x1000LL,
    0x800LL,
    0x400LL,
    0x200LL,
    0x100LL,
    0x80LL,
    0x40LL,
    0x20LL,
    0x10LL,
    0x8LL,
    0x4LL,
    0x2LL,
    0x1LL
}

Definition at line 42 of file fixedtraits.h.

log_two_power_n_reversed

const int64_t FixedTraits< 28 >::log_two_power_n_reversed

static

Definition at line 41 of file fixedtraits.h.

max_power

const int32_t FixedTraits< 28 >::max_power = 63 - fixed_resolution_shift

static

Definition at line 36 of file fixedtraits.h.

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The documentation for this struct was generated from the following files:

• sdrbase/util/fixedtraits.h
• sdrbase/util/fixedtraits.cpp