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phobos 0.176

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This commit is contained in:
Brad Roberts 2007-09-10 05:36:13 +00:00
parent 00fe9a970d
commit 76dac5da92
18 changed files with 1233 additions and 40 deletions
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32
std/math.d
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@ -347,24 +347,24 @@ real atan(real x) { return std.c.math.atanl(x); }
* Calculates the arc tangent of y / x,
* returning a value ranging from -π/2 to π/2.
*
* $(TABLE_SV
* <tr> <th> x <th> y <th> atan(x, y)
* <tr> <td> $(NAN) <td> anything <td> $(NAN)
* <tr> <td> anything <td> $(NAN) <td> $(NAN)
* <tr> <td> &plusmn;0.0 <td> &gt; 0.0 <td> &plusmn;0.0
* <tr> <td> &plusmn;0.0 <td> &plusmn;0.0 <td> &plusmn;0.0
* <tr> <td> &plusmn;0.0 <td> &lt; 0.0 <td> &plusmn;&pi;
* <tr> <td> &plusmn;0.0 <td> -0.0 <td> &plusmn;&pi;
* <tr> <td> &gt; 0.0 <td> &plusmn;0.0 <td> &pi;/2
* <tr> <td> &lt; 0.0 <td> &plusmn;0.0 <td> &pi;/2
* <tr> <td> &gt; 0.0 <td> &infin; <td> &plusmn;0.0
* <tr> <td> &plusmn;&infin; <td> anything <td> &plusmn;&pi;/2
* <tr> <td> &gt; 0.0 <td> -&infin; <td> &plusmn;&pi;
* <tr> <td> &plusmn;&infin; <td> &infin; <td> &plusmn;&pi;/4
* <tr> <td> &plusmn;&infin; <td> -&infin; <td> &plusmn;3&pi;/4
* $(TABLE_SV
* <tr> <th> y <th> x <th> atan(y, x)
* <tr> <td> $(NAN) <td> anything <td> $(NAN)
* <tr> <td> anything <td> $(NAN) <td> $(NAN)
* <tr> <td> &plusmn;0.0 <td> &gt; 0.0 <td> &plusmn;0.0
* <tr> <td> &plusmn;0.0 <td> &plusmn;0.0 <td> &plusmn;0.0
* <tr> <td> &plusmn;0.0 <td> &lt; 0.0 <td> &plusmn;&pi;
* <tr> <td> &plusmn;0.0 <td> -0.0 <td> &plusmn;&pi;
* <tr> <td> &gt; 0.0 <td> &plusmn;0.0 <td> &pi;/2
* <tr> <td> &lt; 0.0 <td> &plusmn;0.0 <td> &pi;/2
* <tr> <td> &gt; 0.0 <td> &infin; <td> &plusmn;0.0
* <tr> <td> &plusmn;&infin; <td> anything <td> &plusmn;&pi;/2
* <tr> <td> &gt; 0.0 <td> -&infin; <td> &plusmn;&pi;
* <tr> <td> &plusmn;&infin; <td> &infin; <td> &plusmn;&pi;/4
* <tr> <td> &plusmn;&infin; <td> -&infin; <td> &plusmn;3&pi;/4
* )
*/
real atan2(real x, real y) { return std.c.math.atan2l(x,y); }
real atan2(real y, real x) { return std.c.math.atan2l(y,x); }
/***********************************
* Calculates the hyperbolic cosine of x.