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diff --git a/reference/C/MAN/atan2.htm b/reference/C/MAN/atan2.htm new file mode 100644 index 0000000..c5910e4 --- /dev/null +++ b/reference/C/MAN/atan2.htm @@ -0,0 +1,102 @@ +<TITLE>atan2</TITLE> +<body bgcolor="#ffffcc"> +<hr> +<pre> + + + +<h3>ATAN2(3) Linux Programmer's Manual ATAN2(3) +</h3> + +<h3>NAME +</h3> atan2 - arc tangent function of two variables + +<h3>SYNOPSIS +</h3> #include <math.h> + + double atan2(double y, double x); + +<h3>DESCRIPTION +</h3> The atan2() function calculates the arc tangent of the two + variables x and y. It is similar to calculating the arc + tangent of y / x, except that the signs of both arguments + are used to determine the quadrant of the result. + +<h3>RETURN VALUE +</h3> The atan2() function returns the result in radians, which + is between -PI and PI (inclusive). + +<h3>CONFORMING TO +</h3> SVID 3, POSIX, BSD 4.3, ISO 9899 + +</pre> +<hr> +<h3>SEE ALSO +</h3><p> +<a href=acos.htm>acos</a>, +<a href=asin.htm>asin</a>, +<a href=atan.htm>atan</a>, +<a href=cos.htm>cos</a>, +<a href=sin.htm>sin</a>, +<a href=tan.htm>tan</a>, +<pre> + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + June 8, 1993 1 + + +
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