37 lines
1.6 KiB
C++
37 lines
1.6 KiB
C++
////////////////////////////////////////////////////////////////////////////
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//
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// This file is part of MPU9150Lib
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//
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// Copyright (c) 2013 Pansenti, LLC
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy of
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// this software and associated documentation files (the "Software"), to deal in
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// the Software without restriction, including without limitation the rights to use,
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// copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the
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// Software, and to permit persons to whom the Software is furnished to do so,
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// subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
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// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
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// PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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// SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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#include "MPUVector3.h"
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void MPUVector3DotProduct(MPUVector3 a, MPUVector3 b, float *d)
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{
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*d = a[VEC3_X] * b[VEC3_X] + a[VEC3_Y] * b[VEC3_Y] + a[VEC3_Z] * b[VEC3_Z];
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}
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void MPUVector3CrossProduct(MPUVector3 a, MPUVector3 b, MPUVector3 d)
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{
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d[VEC3_X] = a[VEC3_Y] * b[VEC3_Z] - a[VEC3_Z] * b[VEC3_Y];
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d[VEC3_Y] = a[VEC3_Z] * b[VEC3_X] - a[VEC3_X] * b[VEC3_Z];
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d[VEC3_Z] = a[VEC3_X] * b[VEC3_Y] - a[VEC3_Y] * b[VEC3_X];
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}
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