[GiNaC-devel] [SCM] GiNaC -- a C++ library for symbolic computations branch, master, updated. release_1-4-0-221-gdf823d5

[Richard B. Kreckel]

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- Log -----------------------------------------------------------------
commit df823d53c56c762072f534c9f24479090162e33a
Author: Alexei Sheplyakov <alexei.sheplyakov at gmail.com>
Date:   Mon Jul 5 09:15:20 2010 +0200

    Parser: handle abbreviations as advertized in the manual.
    
    The following example from the tutorial
    
    GiNaC::symbol x, y;
    GiNaC::symtab table;
    table["x"] = x+log(y)+1;
    GiNaC::parser reader(table);
    GiNaC::ex e = reader("5*x3 - x2");
    
    fails with the following exception:
    
    terminate called after throwing an instance of 'std::invalid_argument'
    what(): find_or_insert_symbol: name "x" does not correspond to a symbol
    
    Remove silly checks from find_or_insert_symbol, and fix its return value
    (should be ex, not symbol).

-----------------------------------------------------------------------

Summary of changes:
 ginac/parser/parse_context.cpp |   13 +++----------
 ginac/parser/parse_context.h   |    4 ++--
 2 files changed, 5 insertions(+), 12 deletions(-)


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GiNaC -- a C++ library for symbolic computations