View source for KMotionDef - Basic Maths Functions

These are standard Mathematical Functions, and are only listed here as a quick reference.
====sqrtf====
<pre class="brush:c">extern float sqrtf (float x);</pre>
Returns the square root of the supplied float x, as a float. x must be greater than 0.
====expf====
<pre class="brush:c">extern float expf  (float x);</pre>
Returns the exponential of the supplied float x, as a float.
====logf====
<pre class="brush:c">extern float logf  (float x);</pre>
Returns the natural logarithm of the supplied float x, as a float. x must be greater than 0.
====log10f====
<pre class="brush:c">extern float log10f(float x);</pre>
Returns the base 10 logarithm of the supplied float x, as a float. x must be greater than 0.
====powf====
<pre class="brush:c">extern float powf  (float x, float y);</pre>
Returns the x to the power y of the supplied floats x and y, as a float.
====sinf====
<pre class="brush:c">extern float sinf  (float x);</pre>
Returns the sine of float x, as a float.
====cosf====
<pre class="brush:c">extern float cosf  (float x);</pre>
Returns the cosine of float x, as a float.
====tanf====
<pre class="brush:c">extern float tanf  (float x);</pre>
Returns the tangent of float x, as a float.
====asinf====
<pre class="brush:c">extern float asinf (float x);</pre>
Returns the inverse sine (sin-1) of float x, as a float.
====acosf====
<pre class="brush:c">extern float acosf (float x);</pre>
Returns the inverse cosine (cos-1) of float x, as a float.
====atanf====
<pre class="brush:c">extern float atanf (float x);</pre>
Returns the inverse tangent (tan-1) of float x, as a float.
====atan2f====
<pre class="brush:c">extern float atan2f(float y, float x);</pre>
Returns the inverse tangent of float y over float x (tan-1(X/Y)), as a float.
====fast_fabsf====
<pre class="brush:c">extern float fast_fabsf (float y);</pre>
Returns the absolute value of float y, as a float.

====sqrt====
<pre class="brush:c">extern double sqrt (double x);</pre>

====exp====
<pre class="brush:c">extern double exp  (double x);</pre>

====log====
<pre class="brush:c">extern double log  (double x);</pre>

====log10====
<pre class="brush:c">extern double log10(double x);</pre>

====pow====
<pre class="brush:c">extern double pow  (double x, double y);</pre>

====sin====
<pre class="brush:c">extern double sin  (double x);</pre>

====cos====
<pre class="brush:c">extern double cos  (double x);</pre>

====tan====
<pre class="brush:c">extern double tan  (double x);</pre>

====asin====
<pre class="brush:c">extern double asin (double x);</pre>

====acos====
<pre class="brush:c">extern double acos (double x);</pre>

====atan====
<pre class="brush:c">extern double atan (double x);</pre>

====atan2====
<pre class="brush:c">extern double atan2(double y, double x);</pre>

====fast_fabs====
<pre class="brush:c">extern double fast_fabs (double y);</pre>