FixedTraits< 23 > Struct Template Reference

#include <fixedtraits.h>

Static Public Attributes
static const uint32_t	fixed_resolution_shift = 23
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 = 26353589
static const int64_t	internal_two_pi = 52707179
static const int64_t	internal_half_pi = 13176795
static const int64_t	internal_quarter_pi = 6588397
static const int64_t	log_two_power_n_reversed [40]
static const int64_t	log_one_plus_two_power_minus_n [23]
static const int64_t	log_one_over_one_minus_two_power_minus_n [23]
static const int64_t	arctantab [32]

Detailed Description

template<>
struct FixedTraits< 23 >

Definition at line 64 of file fixedtraits.h.

Member Data Documentation

arctantab

const int64_t FixedTraits< 23 >::arctantab

static

Definition at line 76 of file fixedtraits.h.

fixed_resolution

const int64_t FixedTraits< 23 >::fixed_resolution = 1LL << fixed_resolution_shift

static

Definition at line 67 of file fixedtraits.h.

fixed_resolution_shift

const uint32_t FixedTraits< 23 >::fixed_resolution_shift = 23

static

Definition at line 66 of file fixedtraits.h.

internal_half_pi

const int64_t FixedTraits< 23 >::internal_half_pi = 13176795

static

Definition at line 71 of file fixedtraits.h.

internal_pi

const int64_t FixedTraits< 23 >::internal_pi = 26353589

static

Definition at line 69 of file fixedtraits.h.

internal_quarter_pi

const int64_t FixedTraits< 23 >::internal_quarter_pi = 6588397

static

Definition at line 72 of file fixedtraits.h.

internal_two_pi

const int64_t FixedTraits< 23 >::internal_two_pi = 52707179

static

Definition at line 70 of file fixedtraits.h.

log_one_over_one_minus_two_power_minus_n

const int64_t FixedTraits< 23 >::log_one_over_one_minus_two_power_minus_n

static

Initial value:

= {
    5814540LL,
    2413252LL,
    1120143LL,
    541388LL,
    266327LL,
    132107LL,
    65793LL,
    32832LL,
    16400LL,
    8196LL,
    4097LL,
    2048LL,
    1024LL,
    512LL,
    256LL,
    128LL,
    64LL,
    32LL,
    16LL,
    8LL,
    4LL,
    2LL,
    1LL
}

Definition at line 75 of file fixedtraits.h.

log_one_plus_two_power_minus_n

const int64_t FixedTraits< 23 >::log_one_plus_two_power_minus_n

static

Initial value:

= {
    3401288LL,
    1871864LL,
    988036LL,
    508556LL,
    258131LL,
    130059LL,
    65281LL,
    32704LL,
    16368LL,
    8188LL,
    4095LL,
    2048LL,
    1024LL,
    512LL,
    256LL,
    128LL,
    64LL,
    32LL,
    16LL,
    8LL,
    4LL,
    2LL,
    1LL
}

Definition at line 74 of file fixedtraits.h.

log_two_power_n_reversed

const int64_t FixedTraits< 23 >::log_two_power_n_reversed

static

Definition at line 73 of file fixedtraits.h.

max_power

const int32_t FixedTraits< 23 >::max_power = 63 - fixed_resolution_shift

static

Definition at line 68 of file fixedtraits.h.

---

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

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