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/hal_nxp-3.5.0/mcux/mcux-sdk/middleware/issdk/algorithms/sensorfusion/sources/
Dmatrix.c221 float cot2phi, in fEigenCompute10() local
291 cot2phi = 0.5F * (eigval[j] - eigval[i]) / (A[i][j]); in fEigenCompute10()
294 tanphi = 1.0F / (fabsf(cot2phi) + sqrtf(1.0F + cot2phi * cot2phi)); in fEigenCompute10()
295 if (cot2phi < 0.0F) in fEigenCompute10()
394 float cot2phi, in fEigenCompute4() local
464 cot2phi = 0.5F * in fEigenCompute4()
469 tanphi = 1.0F / (fabsf(cot2phi) + sqrtf(1.0F + cot2phi * cot2phi)); in fEigenCompute4()
470 if (cot2phi < 0.0F) in fEigenCompute4()
557 float cot2phi; // cotangent of half jacobi rotation angle in fComputeEigSlice() local
566 cot2phi = 0.5F * (fvecA[j] - fvecA[i]) / (fmatA[i][j]); in fComputeEigSlice()
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