Manual Section... (3) - page: csqrtf
NAMEcsqrt, csqrtf, csqrtl - complex square root
double complex csqrt(double complex z);
float complex csqrtf(float complex z);
long double complex csqrtl(long double complex z);
DESCRIPTIONCalculate the square root of a given complex number, with nonnegative real part, and with a branch cut along the negative real axis. (That means that csqrt(-1+eps*I) will be close to I while csqrt(-1-eps*I) will be close to -I, if eps is a small positive real number.)
VERSIONSThese functions first appeared in glibc in version 2.1.
SEE ALSOcabs(3), cexp(3), complex(7)
COLOPHONThis page is part of release 3.24 of the Linux man-pages project. A description of the project, and information about reporting bugs, can be found at http://www.kernel.org/doc/man-pages/.
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Time: 15:27:06 GMT, June 11, 2010