csqrt, csqrtf, csqrtl - complex square root functions
c99 [ flag... ] file... –lm [ library... ] #include <complex.h> double complex csqrt(double complex z);
float complex csqrtf(float complex z);
long double complex csqrtl(long double complex z);
These functions compute the complex square root of z, with a branch cut along the negative real axis.
These functions return the complex square root value, in the range of the right half-plane (including the imaginary axis).
No errors are defined.
See attributes(5) for descriptions of the following attributes:
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cabs(3M), complex.h(3HEAD), cpow(3M), attributes(5), standards(5)