functionwrapper_zgerq2

Wrapper for lapack function zgerq2

Inputs

TypeNameDefaultDescription
Real[:,:]A_realSquare or rectangular matrix
Real[size(A_real, 1),size(A_real, 2)]A_imagSquare or rectangular matrix

Outputs

TypeNameDefaultDescription
Real[size(A_real, 1),size(A_real, 2)]RQ_realA_realRQ factorization in packed format, real part
Real[size(A_real, 1),size(A_real, 2)]RQ_imagA_imagRQ factorization in packed format, imaginary part
Real[min(size(A_real, 1), size(A_real, 2))]tau_realThe scalar factors of the elementary reflectors of Q, real part
Real[min(size(A_real, 1), size(A_real, 2))]tau_imagThe scalar factors of the elementary reflectors of Q, imaginary part
Integerinfo