yarn/mappings/net/minecraft/util/math/MatrixUtil.mapping

CLASS net/minecraft/class_7837 net/minecraft/util/math/MatrixUtil
	FIELD field_40746 COT_PI_OVER_8 F
	METHOD method_46410 qrGivensQuaternion (FF)Lnet/minecraft/class_8218;
		COMMENT Computes the Givens quaternion for a QR factorization.
		COMMENT See Algorithm 4 of <a href="https://pages.cs.wisc.edu/~sifakis/papers/SVD_TR1690.pdf">
		COMMENT https://pages.cs.wisc.edu/~sifakis/papers/SVD_TR1690.pdf</a>.
		COMMENT
		COMMENT @return a pair {@code (c, s) = (cos(theta), sin(theta))}
		ARG 0 a1
		ARG 1 a2
	METHOD method_46411 approximateGivensQuaternion (FFF)Lnet/minecraft/class_8218;
		COMMENT Computes the approximate Givens rotation factors {@code (c, s) = (cos(phi), sin(phi))} for a 2×2 matrix.
		COMMENT See Algorithm 4 of <a href="https://pages.cs.wisc.edu/~sifakis/papers/SVD_TR1690.pdf">
		COMMENT https://pages.cs.wisc.edu/~sifakis/papers/SVD_TR1690.pdf</a>.
		COMMENT
		COMMENT @return a pair {@code (c, s) = (cos(theta), sin(theta))}
		ARG 0 a11
			COMMENT the top-left element of the matrix
		ARG 1 a12
			COMMENT the average of the two elements on the minor diagonal
		ARG 2 a22
			COMMENT the bottom-right element of the matrix
	METHOD method_46412 svdDecompose (Lorg/joml/Matrix3f;)Lorg/apache/commons/lang3/tuple/Triple;
		COMMENT Performs an approximate singular value decomposition on a 3×3 matrix.
		COMMENT See Algorithm 4 of <a href="https://pages.cs.wisc.edu/~sifakis/papers/SVD_TR1690.pdf">
		COMMENT https://pages.cs.wisc.edu/~sifakis/papers/SVD_TR1690.pdf</a>.
		ARG 0 A
	METHOD method_46414 scale (Lorg/joml/Matrix4f;F)Lorg/joml/Matrix4f;
		ARG 0 matrix
		ARG 1 scalar
	METHOD method_46415 applyJacobiIteration (Lorg/joml/Matrix3f;Lorg/joml/Matrix3f;Lorg/joml/Quaternionf;Lorg/joml/Quaternionf;)V