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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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// A class to handle logarithmic and trigonometric functions
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class Item_dec_func :public Item_real_func
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Item_dec_func(Item *a) :Item_real_func(a) {}
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Item_dec_func(Item *a,Item *b) :Item_real_func(a,b) {}
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void fix_length_and_dec()