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Diffstat (limited to 'LibOVR/Src/Kernel/OVR_Math.cpp')
| -rw-r--r-- | LibOVR/Src/Kernel/OVR_Math.cpp | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/LibOVR/Src/Kernel/OVR_Math.cpp b/LibOVR/Src/Kernel/OVR_Math.cpp new file mode 100644 index 0000000..396d3ff --- /dev/null +++ b/LibOVR/Src/Kernel/OVR_Math.cpp @@ -0,0 +1,91 @@ +/************************************************************************************ + +Filename : OVR_Math.h +Content : Implementation of 3D primitives such as vectors, matrices. +Created : September 4, 2012 +Authors : Andrew Reisse, Michael Antonov, Anna Yershova + +Copyright : Copyright 2014 Oculus VR, Inc. All Rights reserved. + +Licensed under the Oculus VR Rift SDK License Version 3.1 (the "License"); +you may not use the Oculus VR Rift SDK except in compliance with the License, +which is provided at the time of installation or download, or which +otherwise accompanies this software in either electronic or hard copy form. + +You may obtain a copy of the License at + +http://www.oculusvr.com/licenses/LICENSE-3.1 + +Unless required by applicable law or agreed to in writing, the Oculus VR SDK +distributed under the License is distributed on an "AS IS" BASIS, +WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +See the License for the specific language governing permissions and +limitations under the License. + +*************************************************************************************/ + +#include "OVR_Math.h" +#include "OVR_Log.h" + +#include <float.h> + + +namespace OVR { + + +//------------------------------------------------------------------------------------- +// ***** Math + + +// Single-precision Math constants class. +const float Math<float>::Pi = 3.1415926f; +const float Math<float>::TwoPi = 3.1415926f * 2; +const float Math<float>::PiOver2 = 3.1415926f / 2.0f; +const float Math<float>::PiOver4 = 3.1415926f / 4.0f; +const float Math<float>::E = 2.7182818f; + +const float Math<float>::MaxValue = FLT_MAX; +const float Math<float>::MinPositiveValue = FLT_MIN; + +const float Math<float>::RadToDegreeFactor = 360.0f / Math<float>::TwoPi; +const float Math<float>::DegreeToRadFactor = Math<float>::TwoPi / 360.0f; + +const float Math<float>::Tolerance = 0.00001f; +const float Math<float>::SingularityRadius = 0.0000001f; // Use for Gimbal lock numerical problems + +// Double-precision Math constants class. +const double Math<double>::Pi = 3.14159265358979; +const double Math<double>::TwoPi = 3.14159265358979 * 2; +const double Math<double>::PiOver2 = 3.14159265358979 / 2.0; +const double Math<double>::PiOver4 = 3.14159265358979 / 4.0; +const double Math<double>::E = 2.71828182845905; + +const double Math<double>::MaxValue = DBL_MAX; +const double Math<double>::MinPositiveValue = DBL_MIN; + +const double Math<double>::RadToDegreeFactor = 360.0 / Math<double>::TwoPi; +const double Math<double>::DegreeToRadFactor = Math<double>::TwoPi / 360.0; + +const double Math<double>::Tolerance = 0.00001; +const double Math<double>::SingularityRadius = 0.000000000001; // Use for Gimbal lock numerical problems + + + +//------------------------------------------------------------------------------------- +// ***** Matrix4 + +template<> +const Matrix4<float> Matrix4<float>::IdentityValue = Matrix4<float>(1.0f, 0.0f, 0.0f, 0.0f, + 0.0f, 1.0f, 0.0f, 0.0f, + 0.0f, 0.0f, 1.0f, 0.0f, + 0.0f, 0.0f, 0.0f, 1.0f); + +template<> +const Matrix4<double> Matrix4<double>::IdentityValue = Matrix4<double>(1.0, 0.0, 0.0, 0.0, + 0.0, 1.0, 0.0, 0.0, + 0.0, 0.0, 1.0, 0.0, + 0.0, 0.0, 0.0, 1.0); + + + +} // Namespace OVR |