Ultrix-3.1/src/libc/gen/frexp11.s

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/ SCCSID: @(#)frexp11.s	3.0	4/22/86
/
//////////////////////////////////////////////////////////////////////
/   Copyright (c) Digital Equipment Corporation 1984, 1985, 1986.    /
/   All Rights Reserved. 					     /
/   Reference "/usr/src/COPYRIGHT" for applicable restrictions.      /
//////////////////////////////////////////////////////////////////////
/
/  double frexp(x, ip)
/  double x; int *ip;
/  returns a fractional part 1/16 <= |value| < 1
/  and stores an exponent so x = value * 2^(*ip)

.globl	_frexp
.globl	csv, cret

_frexp:
	jsr	r5,csv
	movf	4(r5),fr0
	movei	fr0,r0
	clr	r1
	movie	r1,fr0
	mov	r0,*12.(r5)
	jmp	cret