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6 .TH VATAN_ 3MVEC "Dec 14, 2007" "SunOS 5.11" "Vector Math Library Functions"
8 vatan_, vatanf_ \- vector arctangent functions
27 These functions evaluate the function \fBatan\fR(\fIx\fR) for an entire vector
40 These functions are not guaranteed to deliver results that are identical to the
41 results of the \fBatan\fR(3M) functions given the same arguments.
58 These functions assume that the default round-to-nearest rounding direction
59 mode is in effect. On x86, these functions also assume that the default
64 These functions handle special cases and exceptions in the same way as the
65 \fBatan()\fR functions when \fBc99\fR \fBMATHERREXCEPT\fR conventions are in
70 \fBfeclearexcept\fR(\fBFE_ALL_EXCEPT\fR) before calling these functions. On
74 exceptional values. Some vector functions can raise the inexact exception even