CACOSH (3) | C library functions | Unix Manual Pages



CACOSH (3) \| C library functions \| Unix Manual Pages \| :man▋ NAME cacosh, cacoshf, cacoshl - complex arc hyperbolic cosine CONTENTS Synopsis Description SYNOPSIS #include <complex.h> "double complex cacosh(double complex "z); "float complex cacoshf(float complex double "z); "long double complex cacoshl(long double complex "z); DESCRIPTION The cacosh() function calculates the complex acosh(). If y = cacosh(z), then z = ccosh(y). The imaginary part of y is chosen in the interval [-pii,pii]. The real part of y is chosen nonnegative. One has cacosh(z) = (0.5)clog((1+z)/(1-z)). "CONFORMING TO" C99 "SEE ALSO" cabs(3), cimag(3), acosh*(3)

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