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CARG(3) FreeBSD Library Functions Manual CARG(3) NAME carg, cargf, cargl - complex argument functions SYNOPSIS #include <complex.h> double carg(double complex z); float cargf(float complex z); long double cargl(long double complex z); DESCRIPTION These functions compute the argument (also called phase angle) of z, with a branch cut along the negative real axis. RETURN VALUES These functions return the value of the argument in the interval [-pi, +pi]. ERRORS No errors are defined. SEE ALSO cimag(3), conj(3), cproj(3), IEEE Std 1003.1-2001 ("POSIX.1") <complex .h> COPYRIGHT Portions of this text are reprinted and reproduced in electronic form from IEEE Std 1003.1, 2003 Edition, Standard for Information Technology -- 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 . FreeBSD 14.1-RELEASE-p8 January 29, 2013 FreeBSD 14.1-RELEASE-p8