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Viewing changes to plugin/math_functions/cos.h

move COS() function into math_functions plugin

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plugin/math_functions/cos.h
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class Item_func_cos :public Item_dec_func
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{
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public:
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  Item_func_cos(Item *a) :Item_dec_func(a) {}
 
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  Item_func_cos() :Item_dec_func() {}
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  double val_real();
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  const char *func_name() const { return "cos"; }
 
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  bool check_argument_count(int n) { return n == 1; }
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};
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} /* namespace drizzled */