/*
 *				m o d f . c
 */

#ifdef	DOCUMENTATION
title	modf	modulus function
index	modulus function
usage
	.s
	double x, xi, fr, modf();
	.br
	fr = modf(x, &xi);
	.s
description
	.s
	This is the UNIX function modf. It returns the fractional
	part of x as its value and the integer part of x as a
	double value in xi.
	The result has the same sign as x.
	.s
diagnostics
	.s
	None
	.s
internal
	.s
	The program is written in macro as modf.mac. It uses the FPU MODD
	instruction. This C file is included only for the documentation.
	.s
author
	.s
	Hamish Ross.
	.s
date
	.s
	22-Aug-84
#endif