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CSQRT(3P) POSIX Programmer's Manual CSQRT(3P) NAME
csqrt, csqrtf - complex square root functions SYNOPSIS
#include <complex.h> double complex csqrt(double complex z); float complex csqrtf(float complex z); DESCRIPTION
These functions compute the complex square root of z, with a branch cut along the negative real axis. RETURN VALUE
These functions return the complex square root value, in the range of the right half-plane (including the imaginary axis). ERRORS
No errors are defined. The following sections are informative. EXAMPLES
None. APPLICATION USAGE
None. RATIONALE
None. FUTURE DIRECTIONS
None. SEE ALSO
cabs(), cpow(), the Base Definitions volume of IEEE Std 1003.1-2001, <complex.h> COPYRIGHT
Portions of this text are reprinted and reproduced in electronic form from IEEE Std 1003.1, 2003 Edition, Standard for Information Technol- ogy -- Portable Operating System Interface (POSIX), The Open Group Base Specifications Issue 6, Copyright (C) 2001-2003 by the Institute of Electrical and Electronics Engineers, Inc and The Open Group. In the event of any discrepancy between this version and the original IEEE and The Open Group Standard, the original IEEE and The Open Group Standard is the referee document. The original Standard can be obtained online at http://www.opengroup.org/unix/online.html . IEEE
/The Open Group 2003 CSQRT(3P)