36 |
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* [1] Meineke, et al., J. Comp. Chem. 26, 252-271 (2005). |
37 |
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* [2] Fennell & Gezelter, J. Chem. Phys. 124, 234104 (2006). |
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* [3] Sun, Lin & Gezelter, J. Chem. Phys. 128, 24107 (2008). |
39 |
< |
* [4] Vardeman & Gezelter, in progress (2009). |
39 |
> |
* [4] Kuang & Gezelter, J. Chem. Phys. 133, 164101 (2010). |
40 |
> |
* [5] Vardeman, Stocker & Gezelter, J. Chem. Theory Comput. 7, 834 (2011). |
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*/ |
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43 |
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#include "DLM.hpp" |
78 |
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79 |
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// rotate about the z-axis |
80 |
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angle = dt * ji[2] / I(2, 2); |
80 |
– |
sd->addZangle(angle); |
81 |
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rotateStep( 0, 1, angle, ji, A); |
82 |
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83 |
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// rotate about the y-axis |
108 |
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RotMat3x3d rot = RotMat3x3d::identity(); // initalize rot as a unit matrix |
109 |
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110 |
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// use a small angle aproximation for sin and cosine |
111 |
< |
/* |
111 |
> |
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112 |
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angleSqr = angle * angle; |
113 |
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angleSqrOver4 = angleSqr / 4.0; |
114 |
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top = 1.0 - angleSqrOver4; |
116 |
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117 |
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cosAngle = top / bottom; |
118 |
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sinAngle = angle / bottom; |
119 |
< |
*/ |
119 |
> |
|
120 |
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// or don't use the small angle approximation: |
121 |
< |
cosAngle = cos(angle); |
122 |
< |
sinAngle = sin(angle); |
121 |
> |
//cosAngle = cos(angle); |
122 |
> |
//sinAngle = sin(angle); |
123 |
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|
124 |
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rot(axes1, axes1) = cosAngle; |
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rot(axes2, axes2) = cosAngle; |