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