1 files changed, 101 insertions, 0 deletions

diff --git a/src/ops/latex.cc b/src/ops/latex.cc
new file mode 100644
index 0000000..01ccfc0
--- /dev/null
+++ b/src/ops/latex.cc
@@ -0,0 +1,101 @@
+/*************************************************************************
+ *
+ * HTCd - Copyright (C) 1998-2006 Henrik Rydberg
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#include <ops/express.h>
+#include <math.h>
+
+OP1_IMPL(minus) {out<<"-"<<a;}
+OP1_IMPL(plus) {out<<"+"<<a;}
+OP1_IMPL(plusminus) {out<<"\\pm"<<a;}
+OP1_IMPL(minusplus) {out<<"\\mp"<<a;}
+
+OP2_IMPL(minus) {out<<L<<"-"<<R;}
+OP2_IMPL(plus) {out<<L<<"+"<<R;}
+OP2_IMPL(plusminus) {out<<L<<"\\pm"<<R;}
+OP2_IMPL(minusplus) {out<<L<<"\\mp"<<R;}
+
+OP2_IMPL(mul) {out<<L<<"\times"<<R;}
+OP2_IMPL(divide) {out<<L<<"/"<<R;}
+OP2_IMPL(pow) {out<<L<<"<sup><font size=-1>"<<R<<"</font></sup>";}
+OP1_IMPL(pow) {out<<"<sup><font size=-1>"<<a<<"</font></sup>";}
+OP2_IMPL(sub) {out<<L<<"<sub><font size=-1>"<<R<<"</font></sub>";}
+OP1_IMPL(sub) {out<<"<sub><font size=-1>"<<a<<"</font></sub>";}
+OP2_IMPL(div) {out<<L<<"\\div"<<R;}
+
+OP2_IMPL(lt) {out<<L<<"<"<<R;}
+OP2_IMPL(le) {out<<L<<"\\leq"<<R;}
+OP2_IMPL(eq) {out<<L<<"="<<R;}
+OP2_IMPL(ne) {out<<L<<"\\neq"<<R;}
+OP2_IMPL(ge) {out<<L<<"\\geq"<<R;}
+OP2_IMPL(gt) {out<<L<<">"<<R;}
+
+OP2_IMPL(equiv) {out<<L<<"\\equiv"<<R;}
+OP2_IMPL(sim) {out<<L<<"\\sim"<<R;}
+OP2_IMPL(simeq) {out<<L<<"\\simeq"<<R;}
+
+OP1_IMPL(not) {out<<"!"<<a;}
+OP2_IMPL(and) {out<<L<<" and "<<R;}
+OP2_IMPL(or)  {out<<L<<" or "<<R;}
+OP2_IMPL(xor) {out<<L<<" xor "<<R;}
+
+OP2_IMPL(assign) {out<<L<<" = "<<R;}
+
+OP2_IMPL(SP) {out<<L<<" "<<R;}
+
+OP1_IMPL(semi) {out<<a;}
+OP2_IMPL(semi) {out<<L<<R;}
+
+void opAddLatex(opmap& M)
+{
+  OP_ADD(30,not,"logic not"); 
+
+  OP_ADD2(30,28,sub,_,"sub index");
+  OP_ADD2(30,27,pow,^,"raised index");
+
+  OP_ADD2(30,24,plus,+,"plus");
+  OP_ADD2(30,24,minus,-,"minus");
+  OP_ADD2(30,24,plusminus,+-,"plusminus");
+  OP_ADD2(30,24,minusplus,-+,"minusplus");
+
+  OP_ADDN(26,mul,*,"multiply");
+  OP_ADDN(25,divide,/,"divide");
+  OP_ADD(25,div,"divide-sign");
+  // plus/minus 24
+
+  OP_ADDN(20,lt,<,"less than");
+  OP_ADDN(20,le,<=,"less or equal");
+  OP_ADDN(20,ge,>=,"greater or equal");
+  OP_ADDN(20,gt,>,"greater than");
+
+  OP_ADDN(18,eq,==,"equal");
+  OP_ADDN(18,ne,!=,"not equal");
+  OP_ADDN(18,equiv,===,"equivalent");
+  OP_ADDN(18,sim,~,"similar");
+  OP_ADDN(18,simeq,~=,"similar equal");
+
+  OP_ADD(10,and,"logic and");
+  OP_ADD(9,xor,"logic xor");
+  OP_ADD(8,or,"logic or");
+
+  OP_ADDN(4,assign,=,"assignment");
+
+  OP_ADD(3,SP,"Whitespace padding");
+
+  OP_ADD2(1,1,semi,;,"concatenation");
+}