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