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conj, conjf, conjl - calculate the complex conjugate

#include<complex.h>doublecomplexconj(doublecomplexz);floatcomplexconjf(floatcomplexz);longdoublecomplexconjl(longdoublecomplexz);Link with-lm.

Theconj() function returns the complex conjugate value ofz. That is the value obtained by changing the sign of the imaginary part. One has: cabs(z) = csqrt(z * conj(z))

These functions first appeared in glibc in version 2.1.

C99.

cabs(3),sqrt(3),complex(7)

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