cexp(3) Library Functions Manual cexp(3) cexp, cexpf, cexpl - (libm -lm) #include double complex cexp(double complex z); float complex cexpf(float complex z); long double complex cexpl(long double complex z); e (2.71828... ) z. : cexp(I * z) = ccos(z) + I * csin(z) attributes(7). +------------+------------------------------------+--------------------+ || | | +------------+------------------------------------+--------------------+ |cexp(), | | MT-Safe | |cexpf(), | | | |cexpl() | | | +------------+------------------------------------+--------------------+ C11, POSIX.1-2008. glibc 2.1. C99 POSIX.1-2001. cabs(3), cexp2(3), clog(3), cpow(3), complex(7) 3 . . : . 6.18 8 2026 cexp(3)