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Name:

cos the cosine function.

Library names:

sollya_obj_t sollya_lib_cos(sollya_obj_t) sollya_obj_t sollya_lib_build_function_cos(sollya_obj_t) #define SOLLYA_COS(x) sollya_lib_build_function_cos(x)

Description:

cos is the usual cosine function.
It is defined for every real number x.