#include <L1PSNumber.h>

Collaboration diagram for TrigConf::L1PSNumber:

Public Member Functions
	L1PSNumber ()
	L1PSNumber (const float ps)
	Constructor from float.
	L1PSNumber (const int64_t ps)
	Constructor, with 64 bit integer.
	L1PSNumber (const int ps)
	Simple constructor, sets only int.
	L1PSNumber (const int nn, const unsigned int mm, unsigned const int dd, const int ss)
	Constructor from N,M,D and S.
std::string	write ()
	Writes nicely the ps value.
unsigned int	getN () const
unsigned int	getM () const
unsigned int	getD () const
int	getSign () const
float	getFloatPrescale () const
int64_t	getInt64 () const
int	getInt32 () const

Static Public Member Functions
static int64_t	decodeFloat (const float psF)
	Calculates the NMD combination nearest to psF.
static int64_t	encodeNMD (const int nn, const unsigned int mm, const unsigned int dd)
	Returns INT64_T prescale number with the correct sign as it is stored in DB.

Private Member Functions
bool	validate (const int nn, const unsigned int mm, const unsigned int dd, const int ss)
	Checks whether the m_n,m_m,m_d combination is valid, i.e.
void	setInt64 (const int64_t tmpLong)
	Sets the N,M,D values from a Int64_t prescale value.

Static Private Member Functions
static int64_t	makeLong (unsigned int n, unsigned int m, unsigned int d)
	Returns the POSITIVE int64_t of 3 ints.

Private Attributes
unsigned int	m_n
unsigned int	m_m
unsigned int	m_d
int	m_s
float	m_psFloat
int64_t	m_psLong

Static Private Attributes
static const uint32_t	NMASK = 0x00FFFFFF
static const uint32_t	MMASK = 0xF0000000
static const uint32_t	DMASK = 0x0F000000
static const int	MSHIFT = 28
static const int	DSHIFT = 24
static const int	s_auxLength = 79
static const unsigned int	s_psAuxValues [79][2]
	Help array containing the allowed MD combinations (for N=1).

Detailed Description

Definition at line 33 of file L1PSNumber.h.

Constructor & Destructor Documentation

◆ L1PSNumber() [1/5]

TrigConf::L1PSNumber::L1PSNumber ( )

Definition at line 31 of file L1PSNumber.cxx.

                           {
        m_n = 1;
        m_m = 1;
        m_d = 1;
        m_s = -1;
        m_psFloat = -1.0;
        m_psLong = -1;
    }

◆ L1PSNumber() [2/5]

TrigConf::L1PSNumber::L1PSNumber ( const float ps )

Constructor from float.

Definition at line 83 of file L1PSNumber.cxx.

                                         {
        int64_t i64 = decodeFloat(ps);
        setInt64(i64);
    }

◆ L1PSNumber() [3/5]

TrigConf::L1PSNumber::L1PSNumber ( const int64_t ps )

Constructor, with 64 bit integer.

Definition at line 64 of file L1PSNumber.cxx.

                                           {
        L1PSNumber::setInt64(ps);
    }

◆ L1PSNumber() [4/5]

TrigConf::L1PSNumber::L1PSNumber ( const int ps )

Simple constructor, sets only int.

Definition at line 43 of file L1PSNumber.cxx.

                                       {
        if (ps >= 1) {
            m_n = ps;
            m_s = 1;
        } else if (ps < 1 && ps>-1) {
            //invalid ps, set to default -1
            m_n = 1;
            m_s = -1;
        } else {
            m_n = -ps;
            m_s = -1;
        }
        m_m = 0;
        m_d = 0;
        m_psFloat = (float) m_n;
        m_psLong = (int64_t) m_n;
    }

◆ L1PSNumber() [5/5]

TrigConf::L1PSNumber::L1PSNumber	(	const int	nn,
		const unsigned int	mm,
		unsigned const int	dd,
		const int	ss = 1 )

Constructor from N,M,D and S.

Definition at line 71 of file L1PSNumber.cxx.

                                                   {
        if (validate(nn, mm, dd, ss)) {
            m_psLong = makeLong(m_n, m_m, m_d);
        } else {
            m_psLong = -1;
        }
    }

Member Function Documentation

◆ decodeFloat()

int64_t TrigConf::L1PSNumber::decodeFloat ( const float psF )

static

Calculates the NMD combination nearest to psF.

Returns the int64_t representation of NMD.

Definition at line 167 of file L1PSNumber.cxx.

                                                   {
        int64_t ret = -1;
        int tmpN = (int) psF;
        float psOne = psF / (float) tmpN;
        float diff = 10;
        unsigned int mm = 0;
        unsigned int dd = 0;
        float tmpPS;
        float tmpDiff;
        // If the number is larger than 2^24 ret -1.
        if (std::abs(tmpN) <= (int)NMASK) {
            // if psF is Int, ret psF.
            if (tmpN == psF) {
                ret = (int64_t) psF;
            } else {
                // Check the nearest Combination of N,M & D.
                for (int i = 0; i < s_auxLength; i++) {
                    unsigned int tmpM = s_psAuxValues[i][0];
                    unsigned int tmpD = s_psAuxValues[i][1];
                    tmpPS = (float) ((tmpM + tmpD + 1.0) / (tmpM + 1.0));
                    tmpDiff = fabs(tmpPS - psOne);
                    if (tmpPS * tmpN >= tmpN + 1) {
                        break;
                    }
                    if (tmpDiff < diff) {
                        diff = tmpDiff;
                        mm = tmpM;
                        dd = tmpD;
                    }
                }
                ret = L1PSNumber::encodeNMD(tmpN, mm, dd);
            }
        }
        return ret;
    }

◆ encodeNMD()

int64_t TrigConf::L1PSNumber::encodeNMD	(	const int	nn,
		const unsigned int	mm,
		const unsigned int	dd )

static

Returns INT64_T prescale number with the correct sign as it is stored in DB.

Definition at line 207 of file L1PSNumber.cxx.

                                   {
        int64_t ret = -1;
        unsigned int nTemp = 1;
        int sTemp = 1;
        if (nn < 0) {
            nTemp = -nn;
            sTemp = -1;
        } else {
            nTemp = nn;
            sTemp = 1;
        }
        ret = L1PSNumber::makeLong(nTemp, mm, dd);
        ret = sTemp*ret;
        return ret;
    }

◆ getD()

unsigned int TrigConf::L1PSNumber::getD ( ) const

inline

Definition at line 74 of file L1PSNumber.h.

74{ return m_d; };

◆ getFloatPrescale()

float TrigConf::L1PSNumber::getFloatPrescale ( ) const

inline

Definition at line 76 of file L1PSNumber.h.

76{ return m_psFloat; };

◆ getInt32()

int TrigConf::L1PSNumber::getInt32 ( ) const

inline

Definition at line 78 of file L1PSNumber.h.

78{ return m_n*m_s; };

◆ getInt64()

int64_t TrigConf::L1PSNumber::getInt64 ( ) const

inline

Definition at line 77 of file L1PSNumber.h.

77{ return m_psLong; };

◆ getM()

unsigned int TrigConf::L1PSNumber::getM ( ) const

inline

Definition at line 73 of file L1PSNumber.h.

73{ return m_m; };

◆ getN()

unsigned int TrigConf::L1PSNumber::getN ( ) const

inline

Definition at line 72 of file L1PSNumber.h.

72{ return m_n; };

◆ getSign()

int TrigConf::L1PSNumber::getSign ( ) const

inline

Definition at line 75 of file L1PSNumber.h.

75{ return m_s; };

◆ makeLong()

int64_t TrigConf::L1PSNumber::makeLong	(	unsigned int	nn,
		unsigned int	mm,
		unsigned int	dd )

staticprivate

Returns the POSITIVE int64_t of 3 ints.

Takes care that no number is longer than it should.

Definition at line 228 of file L1PSNumber.cxx.

                             {
        int64_t ret;
        ret = (mm & 0xF);
        ret = (ret << MSHIFT);
        ret = (ret | ((dd & 0xF) << DSHIFT));
        ret = (ret | (nn & NMASK));
        return ret;
    }

◆ setInt64()

void TrigConf::L1PSNumber::setInt64 ( const int64_t prescaleBitArray )

private

Sets the N,M,D values from a Int64_t prescale value.

Parameters

prescaleArray the prescale as a long.

Decodeonly if ps > 0. Else PS=1.

Definition at line 124 of file L1PSNumber.cxx.

                                                            {
        unsigned int nTemp = 1;
        unsigned int mTemp = 0;
        unsigned int dTemp = 0;
        int sTemp = -1;
 
        uint32_t psTemp = 1;
        // m_psLong = -1;
        // Take care of the sign.
        if (prescaleBitArray < 0) {
            sTemp = -1;
            psTemp = (uint32_t) (-1 * prescaleBitArray);
        } else {
            sTemp = 1;
            psTemp = (uint32_t) prescaleBitArray;
        }
        nTemp = psTemp&NMASK;
        mTemp = ((psTemp & MMASK) >> MSHIFT);
        dTemp = ((psTemp & DMASK) >> DSHIFT);
        L1PSNumber::validate(nTemp, mTemp, dTemp, sTemp);
        m_psLong = prescaleBitArray;
    }

◆ validate()

bool TrigConf::L1PSNumber::validate	(	const int	nn,
		const unsigned int	mm,
		const unsigned int	dd,
		const int	ss = 1 )

private

Checks whether the m_n,m_m,m_d combination is valid, i.e.

whether m_n >= 1 && 1 < (m_m+m_d+1)/(m_m+1) < 2. Sets N, M, D & m_psFloat.

Definition at line 93 of file L1PSNumber.cxx.

                                                                                {
        bool ret = false;
        if (nn <= -1 || nn >= 1) {
            if (nn < 0) {
                m_n = -nn;
                m_s = -1;
            } else if (nn >= 1) {
                m_n = nn;
                m_s = ss;
            }
            m_m = mm;
            m_d = dd;
            m_psFloat = (float) m_s * m_n * (m_m + m_d + 1.0) / (m_m + 1.0);
            ret = true;
        } else {
            m_n = 1;
            m_s = -1;
            m_m = 0;
            m_d = 0;
            m_psFloat = -1.0;
            ret = false;
        }
        return ret;
    }

◆ write()

std::string TrigConf::L1PSNumber::write ( )

Writes nicely the ps value.

Definition at line 153 of file L1PSNumber.cxx.

                                {
        std::stringstream ss;
        if (m_m == 0 && m_d == 0) {
            ss << getInt32();
        } else {
            ss << m_psFloat;
        }
        return ss.str();
    }

Member Data Documentation

◆ DMASK

const uint32_t TrigConf::L1PSNumber::DMASK = 0x0F000000

staticprivate

Definition at line 44 of file L1PSNumber.h.

◆ DSHIFT

const int TrigConf::L1PSNumber::DSHIFT = 24

staticprivate

Definition at line 46 of file L1PSNumber.h.

◆ m_d

unsigned int TrigConf::L1PSNumber::m_d

private

Definition at line 37 of file L1PSNumber.h.

◆ m_m

unsigned int TrigConf::L1PSNumber::m_m

private

Definition at line 36 of file L1PSNumber.h.

◆ m_n

unsigned int TrigConf::L1PSNumber::m_n

private

Definition at line 35 of file L1PSNumber.h.

◆ m_psFloat

float TrigConf::L1PSNumber::m_psFloat

private

Definition at line 39 of file L1PSNumber.h.

◆ m_psLong

int64_t TrigConf::L1PSNumber::m_psLong

private

Definition at line 40 of file L1PSNumber.h.

◆ m_s

int TrigConf::L1PSNumber::m_s

private

Definition at line 38 of file L1PSNumber.h.

◆ MMASK

const uint32_t TrigConf::L1PSNumber::MMASK = 0xF0000000

staticprivate

Definition at line 43 of file L1PSNumber.h.

◆ MSHIFT

const int TrigConf::L1PSNumber::MSHIFT = 28

staticprivate

Definition at line 45 of file L1PSNumber.h.

◆ NMASK

const uint32_t TrigConf::L1PSNumber::NMASK = 0x00FFFFFF

staticprivate

Definition at line 42 of file L1PSNumber.h.

◆ s_auxLength

const int TrigConf::L1PSNumber::s_auxLength = 79

staticprivate

Definition at line 55 of file L1PSNumber.h.

◆ s_psAuxValues

const unsigned int TrigConf::L1PSNumber::s_psAuxValues

staticprivate

Help array containing the allowed MD combinations (for N=1).

These will be iterated in L1PSNumber::decodeFloat() to find the best aproximation.

Definition at line 56 of file L1PSNumber.h.

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

Public Member Functions

Static Public Member Functions

Private Member Functions

Static Private Member Functions

Private Attributes

Static Private Attributes

Detailed Description

Constructor & Destructor Documentation

◆ L1PSNumber() [1/5]

◆ L1PSNumber() [2/5]

◆ L1PSNumber() [3/5]

◆ L1PSNumber() [4/5]

◆ L1PSNumber() [5/5]

Member Function Documentation

◆ decodeFloat()

◆ encodeNMD()

◆ getD()

◆ getFloatPrescale()

◆ getInt32()

◆ getInt64()

◆ getM()

◆ getN()

◆ getSign()

◆ makeLong()

◆ setInt64()

◆ validate()

◆ write()

Member Data Documentation

◆ DMASK

◆ DSHIFT

◆ m_d

◆ m_m

◆ m_n

◆ m_psFloat

◆ m_psLong

◆ m_s

◆ MMASK

◆ MSHIFT

◆ NMASK

◆ s_auxLength

◆ s_psAuxValues