Changeset 41176 for trunk/Ohana/src/opihi/lib.shell/convert_to_RPN.c

Timestamp:

Nov 27, 2019, 12:09:13 PM (7 years ago)

Author:

eugene

Message:

enable multicolumn output fits tables; add bitshifts using <~ and ~>

Location:

trunk/Ohana

Files:

• . (modified) (1 prop)
• src/opihi/lib.shell/convert_to_RPN.c (modified) (2 diffs)

trunk/Ohana/src/opihi/lib.shell/convert_to_RPN.c

@@ -78 +78 @@
     if (!strcmp (argv[i], "atan2"))  { type = ST_BINARY; strcpy (argv[i], "a"); goto gotit; }
     if (!strcmp (argv[i], "datan2")) { type = ST_BINARY; strcpy (argv[i], "d"); goto gotit; }
+
+    if (!strcmp (argv[i], "<~"))     { type = ST_BINARY; strcpy (argv[i], "l"); goto gotit; }
+    if (!strcmp (argv[i], "~>"))     { type = ST_BINARY; strcpy (argv[i], "r"); goto gotit; }
+
     if (!strcmp (argv[i], ","))      { type = ST_COMMA; goto gotit; }
 
@@ -99 +103 @@
     if (!strcmp (argv[i], ">>"))     { type = ST_LOGIC; strcpy (argv[i], "U"); goto gotit; }
     if (!strcmp (argv[i], "<<"))     { type = ST_LOGIC; strcpy (argv[i], "D"); goto gotit; }
+
+    /* XXX I would like to change the syntax to allow << and >> to mean bitshifts
+       but that means breaking these older values which means MIN and MAX */
+    // for now, use <- and -> to mean bitshift 
 
     if (!strcmp (argv[i], "&&"))     { type = ST_AND; strcpy (argv[i], "A"); goto gotit; }