Consolidate Greek character searches

Searching for keys in a map is just like searching for elements in a set
so we can have everything use the same list of Greek characters.

Signed-off-by: Connor Behan <[email protected]>

Author: cbehan

core/DisplayTeX.cc

@@ -101,13 +101,13 @@ bool DisplayTeX::reads_as_operator(Ex::iterator obj, Ex::iterator arg) const
 		// FIXME: this needs fine-tuning; there are more cases where
 		// no brackets are needed.
 		const LaTeXForm *lf = kernel.properties.get<LaTeXForm>(arg);
-		if((*arg->name).size()==1 || lf || cadabra::symbols::greek.find(*arg->name)!=cadabra::symbols::greek.end()) return true;
+		if((*arg->name).size()==1 || lf || cadabra::symbols::greekmap.find(*arg->name)!=cadabra::symbols::greekmap.end()) return true;
 		}
 
 	if(*obj->name=="\\cos" || *obj->name=="\\sin" || *obj->name=="\\tan" || *obj->name=="\\exp") {
 		const LaTeXForm *lf = kernel.properties.get<LaTeXForm>(arg);
 		if(*arg->multiplier==1)
-			if((*arg->name).size()==1 || lf || cadabra::symbols::greek.find(*arg->name)!=cadabra::symbols::greek.end()) return true;
+			if((*arg->name).size()==1 || lf || cadabra::symbols::greekmap.find(*arg->name)!=cadabra::symbols::greekmap.end()) return true;
 		}
 
 	auto it=curly_bracket_operators.find(*obj->name);

core/DisplayTerminal.cc

@@ -1,6 +1,7 @@
 
 #include "Algorithm.hh"
 #include "DisplayTerminal.hh"
+#include "Symbols.hh"
 #include "properties/Accent.hh"
 
 using namespace cadabra;
@@ -18,59 +19,6 @@ DisplayTerminal::DisplayTerminal(const Kernel& k, const Ex& e, bool uuc)
 			{"\\int", "∫" },
 			{"\\sum", "∑" }
 		};
-
-	greekmap = {
-			{"\\alpha",   "α" },
-			{"\\beta",    "β" },  // beta seems to be reserved
-			{"\\gamma",   "γ" }, // gamma seems to be reserved
-			{"\\delta",   "δ" },
-			{"\\epsilon", "ε" },
-			{"\\zeta",    "ζ" },
-			{"\\eta",     "η" },
-			{"\\theta",   "θ" },
-			{"\\iota",    "ι" },
-			{"\\kappa",   "κ" },
-			{"\\lambda",  "λ" }, // lambda is reserved
-			{"\\mu",      "μ" },
-			{"\\nu",      "ν" },
-			{"\\xi",      "ξ" },
-			{"\\omicron", "ο" },
-			{"\\pi",      "π" },
-			{"\\rho",     "ρ" },
-			{"\\sigma",   "σ" },
-			{"\\tau",     "τ" },
-			{"\\upsilon", "υ" },
-			{"\\phi",     "φ" },
-			{"\\chi",     "χ" },
-			{"\\psi",     "ψ" },
-			{"\\omega",   "ω" },
-
-			{"\\Alpha",   "Α" },
-			{"\\Beta",    "Β" },
-			{"\\Gamma",   "Γ" },
-			{"\\Delta",   "Δ" },
-			{"\\Epsilon", "Ε" },
-			{"\\Zeta",    "Ζ" },
-			{"\\Eta",     "Η" },
-			{"\\Theta",   "ϴ" },
-			{"\\Iota",    "Ι" },
-			{"\\Kappa",   "Κ" },
-			{"\\Lambda",  "Λ" },
-			{"\\Mu",      "Μ" },
-			{"\\Nu",      "Ν" },
-			{"\\Xi",      "Ξ" },
-			{"\\Omicron", "Ο" },
-			{"\\Pi",      "Π" },
-			{"\\Rho",     "Ρ" },
-			{"\\Sigma",   "Σ" },
-			{"\\Tau",     "Τ" },
-			{"\\Upsilon", "Υ" },
-			{"\\Phi",     "Φ" },
-			{"\\Chi",     "Χ" },
-			{"\\Psi",     "Ψ" },
-			{"\\Omega",   "Ω" },
-
-		};
 	}
 
 // Logic: each node should check whether it needs to have brackets printed around
@@ -665,8 +613,8 @@ void DisplayTerminal::print_other(std::ostream& str, Ex::iterator it)
 		auto rn1 = symmap.find(sbit);
 		if(rn1!=symmap.end())
 			sbit = rn1->second;
-		auto rn = greekmap.find(sbit);
-		if(rn!=greekmap.end())
+		auto rn = cadabra::symbols::greekmap.find(sbit);
+		if(rn!=cadabra::symbols::greekmap.end())
 			sbit = rn->second;
 		}
 	str << sbit;

core/DisplayTerminal.hh

@@ -66,7 +66,7 @@ namespace cadabra {
 
 			bool children_have_brackets(Ex::iterator ch) const;
 
-			std::map<std::string, std::string> symmap, greekmap;
+			std::map<std::string, std::string> symmap;
 		};
 
 	const char *unichar(kunichar c);

core/Symbols.cc

@@ -2,58 +2,6 @@
 #include "Symbols.hh"
 
 
-const std::set<std::string> cadabra::symbols::greek {
-	"\\alpha",
-	"\\beta",
-	"\\gamma",
-	"\\delta",
-	"\\epsilon",
-	"\\zeta",
-	"\\eta",
-	"\\theta",
-	"\\iota",
-	"\\kappa",
-	"\\lambda",
-	"\\mu",
-	"\\nu",
-	"\\xi",
-	"\\omicron",
-	"\\pi",
-	"\\rho",
-	"\\sigma",
-	"\\tau",
-	"\\upsilon",
-	"\\phi",
-	"\\varphi",
-	"\\chi",
-	"\\psi",
-	"\\omega",
-	"\\Alpha",
-	"\\Beta",
-	"\\Gamma",
-	"\\Delta",
-	"\\Epsilon",
-	"\\Zeta",
-	"\\Eta",
-	"\\Theta",
-	"\\Iota",
-	"\\Kappa",
-	"\\Lambda",
-	"\\Mu",
-	"\\Nu",
-	"\\Xi",
-	"\\Omicron",
-	"\\Pi",
-	"\\Rho",
-	"\\Sigma",
-	"\\Tau",
-	"\\Upsilon",
-	"\\Phi",
-	"\\Chi",
-	"\\Psi",
-	"\\Omega"
-	};
-
 const std::map<std::string, std::string> cadabra::symbols::greekmap {
 	{"\\alpha",   "α" },
 	{"\\beta",    "β" },  // beta seems to be reserved

core/Symbols.hh

@@ -1,13 +1,11 @@
 
 #pragma once
 
-#include <set>
 #include <map>
 #include <string>
 
 namespace cadabra {
 	namespace symbols {
-		extern const std::set<std::string> greek;
 		extern const std::map<std::string, std::string> greekmap;
 		}
 	}