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Losing sign of quaternion #158

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Yaxit opened this issue Jul 12, 2023 · 0 comments
Open

Losing sign of quaternion #158

Yaxit opened this issue Jul 12, 2023 · 0 comments

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@Yaxit
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Yaxit commented Jul 12, 2023

Could someone please explain what is the output of the SFLP quaternion block?
I see three half-floats are generated, and the fourth component is inferred from the game rotation being normalized.
Is the fourth component the real part? Don't we lose the sign with this transformation?

STMems_Standard_C_drivers/lsm6dsv16bx_STdC/examples/lsm6dsv16bx_sensor_fusion.c

Line 182 in 8d7095f

static void sflp2q(float quat[4], uint16_t sflp[3])

@Yaxit Yaxit changed the title Losing sign of Losing sign of quaternion Jul 12, 2023
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@Yaxit