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Added functions GetChar and CharValue to libgap api #2999

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merged 2 commits into from
Nov 15, 2018
Merged

Added functions GetChar and CharValue to libgap api #2999

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ba2267a
Added functions GetChar and CharValue to libgap api
sebasguts Nov 14, 2018
4c83545
Renames from suggestions: GAP char -> GAP character object
fingolfin Nov 14, 2018
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13 changes: 13 additions & 0 deletions src/libgap-api.c
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Original file line number Diff line number Diff line change
Expand Up @@ -258,3 +258,16 @@ char * GAP_CSTR_STRING(Obj string)
return 0;
return CSTR_STRING(string);
}

Int GAP_ValueOfChar(Obj obj)
{
if (TNUM_OBJ(obj) != T_CHAR) {
return -1;
}
return (Int)CHAR_VALUE(obj);
}
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Obj GAP_CharWithValue(UChar obj)
{
return ObjsChar[obj];
}
6 changes: 6 additions & 0 deletions src/libgap-api.h
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Expand Up @@ -147,5 +147,11 @@ extern Obj GAP_MakeString(const char * string);
// terminated C string.
extern Obj GAP_MakeImmString(const char * string);

// Returns the value of the GAP character object <obj>.
// If <obj> is not a GAP character object, it returns -1.
extern Int GAP_ValueOfChar(Obj obj);

// Returns the GAP character object with value <obj>.
extern Obj GAP_CharWithValue(UChar obj);

#endif