TABLE OF CONTENTS

mathffp.library/SPAbs
mathffp.library/SPAdd
mathffp.library/SPCeil
mathffp.library/SPCmp
mathffp.library/SPDiv
mathffp.library/SPFix
mathffp.library/SPFloor
mathffp.library/SPFlt
mathffp.library/SPMul
mathffp.library/SPNeg
mathffp.library/SPSub
mathffp.library/SPTst
mathffp.library/SPAbs                                   mathffp.library/SPAbs

NAME
        SPAbs -- Obtain the absolute value of the fast floating point number.

SYNOPSIS
        fnum2 = SPAbs(fnum1)
        D0            D0

        float SPAbs(float fnum1);

FUNCTION
        Accepts a floating point number and returns the absolute value of
        said number.

INPUTS
        fnum1   - floating point number.

RESULT
        fnum2   - floating point absolute value of fnum1.

BUGS
        None

SEE ALSO


mathffp.library/SPAdd                                   mathffp.library/SPAdd

NAME
        SPAdd -- Add two floating point numbers.

SYNOPSIS
        fnum3 = SPAdd(fnum1, fnum2)
        D0            D1     D0

        float SPAdd(float fnum1, float fnum2);

FUNCTION
        Accepts two floating point numbers and returns the arithmetic
        sum of said numbers.

INPUTS
        fnum1   - floating point number to add.
        fnum2   - other floating point number to add.

RESULT
        fnum3   - floating point number, sum of fnum1 and fnum2.

BUGS
        None.

SEE ALSO

mathffp.library/SPCeil                                 mathffp.library/SPCeil

   NAME
        SPCeil -- Compute Ceil function of a number.

   SYNOPSIS
        x = SPCeil(y)
        D0         D0

        float SPCeil(float y);

   FUNCTION
        Calculate the least integer greater than or equal to x and return it.
        This identity is true.  Ceil(x) = -Floor(-x).

   INPUTS
        y       - Motorola Fast Floating Point Format Number.

   RESULT
        x       - Motorola Fast Floating Point Format Number.

   BUGS
        None.

   SEE ALSO
        SPFloor()

mathffp.library/SPCmp                                   mathffp.library/SPCmp

NAME
        SPCmp -- Compares two floating point numbers.

SYNOPSIS
        result = SPCmp(fnum1, fnum2)
        D0               D0     D1

        int SPCmp(float fnum1, float fnum2);

FUNCTION

        Accepts two floating point numbers and returns the condition
        codes set to indicate the result of said comparison.  Additionally,
        the integer functional result is returned to indicate the result
        of said comparison.

INPUTS
        fnum1   - floating point number.
        fnum2   - floating point number.

RESULT
        Condition codes set to reflect the following branches:

                GT - fnum2 >  fnum1
                GE - fnum2 >= fnum1
                EQ - fnum2 =  fnum1
                NE - fnum2 != fnum1
                LT - fnum2 <  fnum1
                LE - fnum2 <= fnum1

        Integer functional result as:

                +1 => fnum1 > fnum2
                -1 => fnum1 < fnum2
                 0 => fnum1 = fnum2

BUGS
        None.

SEE ALSO

mathffp.library/SPDiv                                   mathffp.library/SPDiv

NAME
        SPDiv -- Divide two floating point numbers.

SYNOPSIS
        fnum3 = SPDiv(fnum1, fnum2)
        D0            D1     D0

        float SPDiv(float fnum1, float fnum2);

FUNCTION
        Accepts two floating point numbers and returns the arithmetic
        division of said numbers.

INPUTS
        fnum1   - floating point number.
        fnum2   - floating point number.

RESULT

        fnum3   - floating point number.

BUGS
        None.

SEE ALSO

mathffp.library/SPFix                                   mathffp.library/SPFix

NAME
        SPFix -- Convert fast floating point number to integer.

SYNOPSIS
        inum = SPFix(fnum)
        D0           D0

        int SPFix(float fnum);

FUNCTION
        Accepts a floating point number and returns the truncated
        integer portion of said number.

INPUTS

        fnum    - floating point number.

RESULT

        inum    - signed integer number.

BUGS
        None.

SEE ALSO

mathffp.library/SPFloor                               mathffp.library/SPFloor

   NAME
        SPFloor -- compute Floor function of a number.

   SYNOPSIS
        x = SPFloor(y)
        D0          D0

        float SPFloor(float y);

   FUNCTION
        Calculate the largest integer less than or equal to x and return it.

   INPUTS
        y       - Motorola Fast Floating Point number.

   RESULT
        x       - Motorola Fast Floating Point number.

   BUGS
        None.

   SEE ALSO
        SPCeil()

mathffp.library/SPFlt                                   mathffp.library/SPFlt

NAME
        SPFlt -- Convert integer number to fast floating point.


SYNOPSIS
        fnum = SPFlt(inum)
        D0           D0

        float SPFlt(int inum);

FUNCTION
        Accepts an integer and returns the converted
        floating point result of said number.

INPUTS
        inum    - signed integer number

RESULT
        fnum    - floating point number

BUGS
        None.

SEE ALSO

mathffp.library/SPMul                                   mathffp.library/SPMul

NAME
        SPMul -- Multiply two floating point numbers.

SYNOPSIS
        fnum3 = SPMul(fnum1, fnum2)
        D0            D1     D0

        float SPMul(float fnum1, float fnum2);

FUNCTION
        Accepts two floating point numbers and returns the arithmetic
        multiplication of said numbers.

INPUTS
        fnum1   - floating point number
        fnum2   - floating point number

RESULT
        fnum3   - floating point number

BUGS
        None

SEE ALSO

mathffp.library/SPNeg                                   mathffp.library/SPNeg

NAME
        SPNeg -- Negate the supplied floating point number.

SYNOPSIS
        fnum2 = SPNeg(fnum1)
        D0            D0

        float SPNeg(float fnum1);

FUNCTION
        Accepts a floating point number and returns the value
        of said number after having been subtracted from 0.0.

INPUTS
        fnum1   - floating point number.

RESULT
        fnum2   - floating point negation of fnum1.

BUGS
        None

SEE ALSO


mathffp.library/SPSub                                   mathffp.library/SPSub

NAME
        SPSub -- Subtract two floating point numbers.

SYNOPSIS
        fnum3 = SPSub(fnum1, fnum2)
        D0            D1     D0

        float SPSub(float fnum1, float fnum2);

FUNCTION
        Accepts two floating point numbers and returns the arithmetic
        subtraction of said numbers.

INPUTS
        fnum1   - floating point number.
        fnum2   - floating point number.

RESULT
        fnum3   - floating point number.

BUGS
        None.

SEE ALSO

mathffp.library/SPTst                                   mathffp.library/SPTst

NAME
        SPTst - Compares a float against zero (0.0).

SYNOPSIS
        result = SPTst(fnum)
        D0             D1

        int SPTst(float fnum);

FUNCTION
        Accepts a floating point number and returns the condition
        codes set to indicate the result of a comparison against
        the value of zero (0.0).  Additionally, the integer functional
        result is returned.

INPUTS
        fnum    - floating point number.

RESULT
        Condition codes set to reflect the following branches:

                EQ - fnum =  0.0
                NE - fnum != 0.0
                PL - fnum >= 0.0
                MI - fnum <  0.0

        Integer functional result as:

                +1 => fnum > 0.0
                -1 => fnum < 0.0
                 0 => fnum = 0.0

BUGS
        None.

SEE ALSO