[r15325]

[r15324]

[r15323]

[r15322]

[r15321]

[r15318]

[r15317]

[r15316]

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[r15314]

[r15313]

[r15312]

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[r15310]

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[r15308]

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[r15301]

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[r15297]

[r15296]

[r15295]

[r15294]

[r15292]

- removed the *_calc functions
- simplified floating point handling
- renamed functions

[r15291]

[r15290]

[r15284]

[r15283]

[r15281]

[r15280]

[r15278]

[r15277]

[r15276]

[r15275]

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[r15269]

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[r15265]

[r15264]