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diff --git a/man3/cbrt.3 b/man3/cbrt.3 new file mode 100644 index 000000000..9b2f70dd3 --- /dev/null +++ b/man3/cbrt.3 @@ -0,0 +1,52 @@ +.\" Copyright 1995 Jim Van Zandt <jrv@vanzandt.mv.com> +.\" +.\" Permission is granted to make and distribute verbatim copies of this +.\" manual provided the copyright notice and this permission notice are +.\" preserved on all copies. +.\" +.\" Permission is granted to copy and distribute modified versions of this +.\" manual under the conditions for verbatim copying, provided that the +.\" entire resulting derived work is distributed under the terms of a +.\" permission notice identical to this one. +.\" +.\" Since the Linux kernel and libraries are constantly changing, this +.\" manual page may be incorrect or out-of-date. The author(s) assume no +.\" responsibility for errors or omissions, or for damages resulting from +.\" the use of the information contained herein. The author(s) may not +.\" have taken the same level of care in the production of this manual, +.\" which is licensed free of charge, as they might when working +.\" professionally. +.\" +.\" Formatted or processed versions of this manual, if unaccompanied by +.\" the source, must acknowledge the copyright and authors of this work. +.\" +.\" changed `square root' into `cube root' - aeb, 950919 +.\" +.\" Modified 2002-07-27 Walter Harms +.\" (walter.harms@informatik.uni-oldenburg.de) +.\" +.TH CBRT 3 2002-27-07 "GNU" "Linux Programmer's Manual" +.SH NAME +cbrt, cbrtf, cbrtl \- cube root function +.SH SYNOPSIS +.nf +.B #include <math.h> +.sp +.BI "double cbrt(double " x ); +.br +.BI "float cbrtf(float " x ); +.br +.BI "long double cbrtl(long double " x ); +.fi +.sp +Link with \-lm. +.SH DESCRIPTION +The \fBcbrt()\fP function returns the (real) cube root of \fIx\fP. +This function cannot fail; every representable real value has a +representable real cube root. +.SH "CONFORMING TO" +.B cbrt() +was a GNU extension. It is now a C99 requirement. +.SH "SEE ALSO" +.BR pow (3), +.BR sqrt (3) |