/usr/share/gap/lib/proto.gi is in gap-libs 4r6p5-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 | #############################################################################
##
#W proto.gi GAP library Andrew Solomon
##
##
#Y Copyright (C) 1997, Lehrstuhl D für Mathematik, RWTH Aachen, Germany
#Y (C) 1998 School Math and Comp. Sci., University of St Andrews, Scotland
#Y Copyright (C) 2002 The GAP Group
##
## Declarations of utilities for fast prototyping of new GAP objects.
##
##########################################################################
##
#F ArithmeticElementCreator(<spec>)
##
InstallGlobalFunction(ArithmeticElementCreator,
function(spec)
local
makeelt, # the function returned
inst_str,
inst_str_bin, # method installation strings
repfilters, # filters for representation
mathfilters, # filters for categories and properties
cat, rep, # the category and representation of the new elts
allfilters, # category and representation
eFam, eType; # the element family and element type
# first check to see this hasn't already been done
if IsBoundGlobal(Concatenation("Is",spec.ElementName)) then
Error(Concatenation(spec.ElementName," already defined"));
fi;
# What mathematical filters can we deduce?
mathfilters := IsObject;
if IsBound(spec.Multiplication) then
mathfilters := mathfilters and IsMultiplicativeElement;
fi;
if IsBound(spec.One) then
mathfilters := mathfilters and IsMultiplicativeElementWithOne;
fi;
if IsBound(spec.Inverse) then
mathfilters := mathfilters and IsMultiplicativeElementWithInverse;
fi;
if IsBound(spec.Addition) then
mathfilters := mathfilters and IsNearAdditiveElement;
fi;
if IsBound(spec.Zero) then
mathfilters := mathfilters and IsNearAdditiveElementWithZero;
fi;
if IsBound(spec.AdditiveInverse) then
mathfilters := mathfilters and IsNearAdditiveElementWithInverse;
fi;
# what mathematical filters are explicitly asserted?
if IsBound(spec.MathInfo) then
mathfilters := mathfilters and spec.MathInfo;
fi;
# declare the elements category and collections category
cat := NewCategory(Concatenation("Is",spec.ElementName), mathfilters);
BindGlobal(Concatenation("Is",spec.ElementName), cat);
DeclareCategoryCollections(Concatenation("Is",spec.ElementName));
# See what representation specific filters we have.
repfilters := IsComponentObjectRep;
if IsBound(spec.RepInfo) then
repfilters := repfilters and spec.RepInfo;
fi;
# declare the representastion with the single "data" component
rep := NewRepresentation(Concatenation(spec.ElementName,"Rep"),
repfilters, ["data"]);
BindGlobal(Concatenation(spec.ElementName,"Rep"), rep);
allfilters := cat and rep;
# create the family
eFam := NewFamily(Concatenation("Element family of ", spec.ElementName),
cat);
# create the type
eType := NewType(eFam, allfilters);
# the creation function
makeelt := x->Objectify(eType, rec(data := x));
##
## Install the methods
##
inst_str := Concatenation("for ", spec.ElementName);
inst_str_bin := Concatenation("for ",spec.ElementName,
" and ",spec.ElementName);
if IsBound(spec.Multiplication) then
InstallOtherMethod(\*, inst_str_bin, IsIdenticalObj,
[allfilters, allfilters], 0,
function(x, y) return makeelt(spec.Multiplication(x!.data, y!.data)); end);
fi;
if IsBound(spec.One) then
InstallOtherMethod(OneOp, inst_str, true, [allfilters], 0,
function(x) return makeelt(spec.One(x!.data)); end);
fi;
if IsBound(spec.Inverse) then
InstallOtherMethod(InverseOp, inst_str, true, [allfilters], 0,
function(x) return makeelt(spec.Inverse(x!.data)); end);
fi;
if IsBound(spec.Addition) then
InstallOtherMethod(\+, inst_str_bin, IsIdenticalObj,
[allfilters, allfilters], 0,
function(x,y) return makeelt(spec.Addition(x!.data, y!.data)); end);
fi;
if IsBound(spec.Zero) then
InstallOtherMethod(ZeroOp, inst_str, true, [allfilters], 0,
function(x) return makeelt(spec.Zero(x!.data)); end);
fi;
if IsBound(spec.AdditiveInverse) then
InstallOtherMethod(AdditiveInverseOp, inst_str,true, [allfilters], 0,
function(x) return makeelt(spec.AdditiveInverse(x!.data)); end);
fi;
if IsBound(spec.Equality) then
InstallOtherMethod(\=, inst_str_bin, IsIdenticalObj,
[allfilters, allfilters], 0,
function(x,y) return spec!.Equality(x!.data, y!.data); end);
else
InstallOtherMethod(\=, inst_str_bin, IsIdenticalObj,
[allfilters, allfilters], 0,
function(x,y) return x!.data = y!.data; end);
fi;
if IsBound(spec.LessThan) then
InstallOtherMethod(\<, inst_str_bin, IsIdenticalObj,
[allfilters, allfilters], 0,
function(x,y) return spec!.LessThan(x!.data, y!.data); end);
else
InstallOtherMethod(\<, inst_str_bin, IsIdenticalObj,
[allfilters, allfilters], 0,
function(x,y) return x!.data < y!.data; end);
fi;
if IsBound(spec.Print) then
InstallOtherMethod(PrintObj, inst_str,true, [allfilters], 0,
function(x) spec.Print(x!.data); end);
else
InstallOtherMethod(PrintObj, inst_str,true, [allfilters], 0,
function(x) Print(x!.data); end);
fi;
InstallOtherMethod(UnderlyingElement, inst_str, true,
[allfilters], 0,
function(x) return x!.data; end);
return makeelt;
end);
#############################################################################
##
#E
|