ccos - Online Linux Manual PageSection : 3
Updated : 2022-12-15
Source : Linux man-pages 6.03

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NAMEccos, ccosf, ccosl − complex cosine function

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LIBRARYMath library (libm, −lm)

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SYNOPSIS#include <complex.h>double complex ccos(double complex z); float complex ccosf(float complex z); long double complex ccosl(long double complex z);

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DESCRIPTIONThese 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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VERSIONSThese functions were added in glibc 2.1.

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ATTRIBUTESFor an explanation of the terms used in this section, see attributes(7). InterfaceAttributeValue ccos(), ccosf(), ccosl() Thread safetyMT-Safe

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STANDARDSC99, POSIX.1-2001, POSIX.1-2008.

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SEE ALSOcabs(3), cacos(3), csin(3), ctan(3), complex(7) 0

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