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Article View: fj.os.misc
Article #1153

[386bsd] math_emulate.c (w/patch)

#1153
From: Ukai Fumitoshi
Date: Fri, 18 Sep 1992 17:12
54 lines
2425 bytes
 $@$&$+$$$G$9!#(J

 386bsd $@$NIbF0>.?tE@1i;;$N%(%_%e%l!<%7%g%s$K%P%0$,$"$j$^$7$?!#(J
atof(3) $@$G;H$C$F$$$k(J fscale $@$G$9!#(J

 FPU$@$,$J$$$H!"IbF0>.?tE@$r$U$/$`%=!<%9$N%3%s%Q%$%k$,@5$7$/9T$J$o$l$^$;$s!#(J

 FPU $@$N$J$$?M$O$3$N%Q%C%A$rEv$F$F(J kernel$@$r(J *2$@2s(J* $@%3%s%Q%$%k$7D>$7$F2<$5$$!#(J

1) $@$3$N(J patch $@$r$"$F$F(J kernel$@$r%3%s%Q%$%k$9$k!#(J
	# cd /usr/src/sys.386bsd/i386/i386
	# patch < $@$3$N%Q%C%A(J
	# cd ../../compile/$@$"$J$?$N(JCONFIG
	# make

2) 1)$@$G$G$-$?(J kernel$@$G(J reboot$@$9$k!#(J
	# mv /386bsd /386bsd.alt
	# cp -p 386bsd /386bsd
	# reboot

3) $@$b$&0lEY(J kernel$@$r%3%s%Q%$%k$9$k!#(J
	# cd /usr/src/sys.386bsd/compile/$@$"$J$?$N(JCONFIG
	# make clean; make

4) 3)$@$G$G$-$?(J kernel $@$G(J reboot$@$9$k!#(J
	# cp -p 386bsd /386bsd
	# reboot

----------------------------------------------------------------
*** math_emulate.c.orig	Sat Sep 19 01:30:57 1992
--- math_emulate.c	Sat Sep 19 01:31:33 1992
***************
*** 163,169 ****
  			/* incomplete and totally inadequate -wfj */
  			Fscale(PST(0), PST(1), &tmp);
  			real_to_real(&tmp,&ST(0));
! 			/* fall into .. */
  		case 0x1fc:
  			frndint(PST(0),&tmp);
  			real_to_real(&tmp,&ST(0));
--- 163,169 ----
  			/* incomplete and totally inadequate -wfj */
  			Fscale(PST(0), PST(1), &tmp);
  			real_to_real(&tmp,&ST(0));
! 			return(0);
  		case 0x1fc:
  			frndint(PST(0),&tmp);
  			real_to_real(&tmp,&ST(0));

---
$@1-;tJ8IR(J
$@5~ETBg3XBg3X1!9)3X8&5f2J1~MQ2J3X%7%9%F%`@l96D9C+@n8&(J ukai@kuamp.kyoto-u.ac.jp
$@5~Bg%^%$%3%s%/%i%V(J                                     ukai@kmc.kyoto-u.ac.jp
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Path: arc1-ca.pugleaf.net!sparky!uunet!ccut!s.u-tokyo!kekux!rcnpvx!ccsparc01!icspub!wnoc-kyo!kuis!kmc-box2!nntp!ukai

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X-Google-Thread: 10574f,9905d8bd4219e2f5,start
X-Google-Attributes: gid10574f,public
X-Google-ArrivalTime: 1992-09-18 06:32:14 PST
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Newsgroups: fj.os.misc
Subject: [386bsd] math_emulate.c (w/patch)
Message-ID: <UKAI.92Sep19021210@chobi.kmc.kyoto-u.ac.jp>
From: ukai@kmc.kyoto-u.ac.jp (Ukai Fumitoshi)
Date: 18 Sep 92 17:12:10 GMT
Reply-To: ukai@kuamp.kyoto-u.ac.jp
Sender: news@box2.kmc.kyoto-u.ac.jp (News system Manager #2)
Distribution: fj
Organization: Kyoto University Microcomputer Club, Kyoto, Japan
Nntp-Posting-Host: chobi
Keyword: math emulation, atof
Lines: 54