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question regarding the source code and the documentation #39

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Umme3 opened this issue Dec 22, 2022 · 0 comments
Open

question regarding the source code and the documentation #39

Umme3 opened this issue Dec 22, 2022 · 0 comments

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@Umme3
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Umme3 commented Dec 22, 2022 •
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Why is the source code like this
angleAccX = atan2(accY, sgZ * sqrt(accZ * accZ + accX * accX)) * RAD_2_DEG; // [-180,+180] deg
angleAccY = - atan2(accX, sqrt(accZ * accZ + accY * accY)) * RAD_2_DEG; // [- 90,+ 90] deg

when in the documentation, it is written as the following?
angleAccX = atan2(sgZ *accY, sqrt(accZ *accZ + accX *accX)) * RAD_2_DEG; // [-180,+180] deg
angleAccY = atan2(accX, sqrt(accZ *accZ + accY *accY)) * RAD_2_DEG; // [- 90,+ 90] deg
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