Name:
cosh
the hyperbolic cosine function.
Library names:
sollya_obj_t sollya_lib_cosh(sollya_obj_t)
sollya_obj_t sollya_lib_build_function_cosh(sollya_obj_t)
#define SOLLYA_COSH(x) sollya_lib_build_function_cosh(x)
Description:
- cosh is the usual hyperbolic function: cosh(x) = (exp(x)+exp(-x))/2.
- It is defined for every real number x.
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