.TH "TESTING/LIN/sqrt12.f" 3 "Version 3.12.0" "LAPACK" \" -*- nroff -*- .ad l .nh .SH NAME TESTING/LIN/sqrt12.f .SH SYNOPSIS .br .PP .SS "Functions/Subroutines" .in +1c .ti -1c .RI "real function \fBsqrt12\fP (m, n, a, lda, s, work, lwork)" .br .RI "\fBSQRT12\fP " .in -1c .SH "Function/Subroutine Documentation" .PP .SS "real function sqrt12 (integer m, integer n, real, dimension( lda, * ) a, integer lda, real, dimension( * ) s, real, dimension( lwork ) work, integer lwork)" .PP \fBSQRT12\fP .PP \fBPurpose:\fP .RS 4 .PP .nf SQRT12 computes the singular values `svlues' of the upper trapezoid of A(1:M,1:N) and returns the ratio || svlues - s ||/(||s||*eps*max(M,N)) .fi .PP .RE .PP \fBParameters\fP .RS 4 \fIM\fP .PP .nf M is INTEGER The number of rows of the matrix A\&. .fi .PP .br \fIN\fP .PP .nf N is INTEGER The number of columns of the matrix A\&. .fi .PP .br \fIA\fP .PP .nf A is REAL array, dimension (LDA,N) The M-by-N matrix A\&. Only the upper trapezoid is referenced\&. .fi .PP .br \fILDA\fP .PP .nf LDA is INTEGER The leading dimension of the array A\&. .fi .PP .br \fIS\fP .PP .nf S is REAL array, dimension (min(M,N)) The singular values of the matrix A\&. .fi .PP .br \fIWORK\fP .PP .nf WORK is REAL array, dimension (LWORK) .fi .PP .br \fILWORK\fP .PP .nf LWORK is INTEGER The length of the array WORK\&. LWORK >= max(M*N + 4*min(M,N) + max(M,N), M*N+2*MIN( M, N )+4*N)\&. .fi .PP .RE .PP \fBAuthor\fP .RS 4 Univ\&. of Tennessee .PP Univ\&. of California Berkeley .PP Univ\&. of Colorado Denver .PP NAG Ltd\&. .RE .PP .PP Definition at line \fB88\fP of file \fBsqrt12\&.f\fP\&. .SH "Author" .PP Generated automatically by Doxygen for LAPACK from the source code\&.