.\" Generated by the Allegro makedoc utility .TH matrix_to_quat 3alleg4 "version 4.4.3" "Allegro" "Allegro manual" .SH NAME matrix_to_quat \- Constructs a quaternion from a rotation matrix. Allegro game programming library.\& .SH SYNOPSIS .B #include .sp .B void matrix_to_quat(const MATRIX_f *m, QUAT *q); .SH DESCRIPTION Constructs a quaternion from a rotation matrix. Translation is discarded during the conversion. Use get_align_matrix_f() if the matrix is not orthonormalized, because strange things may happen otherwise.