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   ccos    ( 3 )

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Имя (Name)

ccos, ccosf, ccosl - complex cosine function

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Синопсис (Synopsis)

#include <complex.h>

       double complex ccos(double complex z);
       float complex ccosf(float complex z);
       long double complex ccosl(long double complex z);

       Link with -lm.

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Описание (Description)

These functions calculate the complex cosine of z.

       The complex cosine function is defined as:

           ccos(z) = (exp(i * z) + exp(-i * z)) / 2

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Версии (Versions)

These functions first appeared in glibc in version 2.1.

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Атрибуты (Attributes)

For an explanation of the terms used in this section, see
       attributes(7).

       ┌──────────────────────────────────────┬───────────────┬─────────┐
       │Interface                             │ Attribute     │ Value   │
       ├──────────────────────────────────────┼───────────────┼─────────┤
       │ccos(), ccosf(), ccosl()              │ Thread safety │ MT-Safe │
       └──────────────────────────────────────┴───────────────┴─────────┘

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Стандарты (Conforming to)

C99, POSIX.1-2001, POSIX.1-2008.

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Смотри также (See also)

cabs(3), cacos(3), csin(3), ctan(3), complex(7)

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