%%%off % Copyright: This file is part of the MMIX Supplement package (c) Martin Ruckert 2014 % File: 2.3.2/diff.mms % Author: M. Ruckert % Title: Differentation routines PREFIX :D: Part of subroutine D %%%on :Const PUSHJ q,:Allocate $\.Q. \is\hbox{0''}$. JMP D4 %%% :Var PUSHJ q,:Allocate $\.Q. \is\hbox{0''}$. LDOU t,p,:INFO CMP t,t,x Is $\.INFO(P).=\.x.$\hair? BNZ t,D4 If not, it's a constant; SET t,1 \quad else $\.Q. \is\hbox{1''}$. STT t,q,:INFO JMP D4 %%% :Ln LDOU t,q,:INFO BZ t,D4 Return to control routine if $\.INFO(Q).= 0$. SET q+1,q SET q+3,p1 PUSHJ q+2,:Copy GETA q+3,:Div ^{GETA+ (get address)} PUSHJ q,:Tree2 $\.Q.\is \.Tree2(Q,Copy(P1),.\hbox{$/$''}\.).$. JMP D4 %%% :Neg LDOU t,q,:INFO BZ t,D4 Return to control routine if $\.INFO(Q).= 0$. SET q+1,q GETA q+3,:Neg PUSHJ q,:Tree1 $\.Q.\is \.Tree1(Q,.\cdot\.,.\hbox{$-$''}\.).$. JMP D4 %%% :Add LDOU t,q1,:INFO PBNZ t,1F Jump unless $\.INFO(Q1).= 0$. SET t+1,q1 PUSHJ t,:Free $\.AVAIL.\Leftarrow \.Q1.$. JMP D3 1H LDOU t,q,:INFO PBNZ t,1F Jump unless $\.INFO(Q).= 0$. 2H SET t+1,q PUSHJ t,:Free $\.AVAIL.\Leftarrow \.Q.$. SET q,q1 $\.Q.\is \.Q1.$. JMP D3 1H GETA q+3,:Add 3H SET q+1,q1 SET q+2,q PUSHJ q,:Tree2 $\.Q.\is \.Tree2(Q1,Q,.\hbox{$+$''}\.).$. JMP D3 %%% :Sub LDOU t,q,:INFO BZ t,2B If $\.INFO(Q).= 0$, then $-\.Q. = +\.Q.$. GETA q+3,:Sub Prepare for $\.Q.\is \.Tree2(Q1,Q,.\hbox{$-$''}\.).$. LDOU t,q1,:INFO PBNZ t,3B SET t+1,q1 PUSHJ t,:Free $\.AVAIL.\Leftarrow \.Q1.$. SET q+1,q GETA q+3,:Neg PUSHJ q,:Tree1 $\.Q.\is \.Tree1(Q,.\cdot\.,.\hbox{$-$''}\.).$. JMP D3 %%% :Mul LDOU t,q1,:INFO \pageref|2.3.2mul| BZ t,1F Jump if $\.INFO(Q1).= 0$. SET t+1,q1 SET t+3,p2 PUSHJ t+2,:Copy PUSHJ t,:Mult SET q1,t $\.Q1.\is \.Mult(Q1,Copy(P2)).$. 1H LDOU t,q,:INFO BZ t,:Add Jump if $\.INFO(Q).= 0$. SET q+2,p1 PUSHJ q+1,:Copy SET q+2,q PUSHJ q,:Mult $\.Q.\is \.Mult(Copy(P1),Q).$. JMP :Add \slug %%%off