zpbtrs
zpbtrs - solve a system of linear equations A*X = B with a Hermitian positive definite band matrix A using the Cholesky factorization A = U**H*U or A = L*L**H computed by CPBTRF
SUBROUTINE ZPBTRS( UPLO, N, NDIAG, NRHS, A, LDA, B, LDB, INFO)
CHARACTER * 1 UPLO
DOUBLE COMPLEX A(LDA,*), B(LDB,*)
INTEGER N, NDIAG, NRHS, LDA, LDB, INFO
SUBROUTINE ZPBTRS_64( UPLO, N, NDIAG, NRHS, A, LDA, B, LDB, INFO)
CHARACTER * 1 UPLO
DOUBLE COMPLEX A(LDA,*), B(LDB,*)
INTEGER*8 N, NDIAG, NRHS, LDA, LDB, INFO
SUBROUTINE PBTRS( UPLO, [N], NDIAG, [NRHS], A, [LDA], B, [LDB],
* [INFO])
CHARACTER(LEN=1) :: UPLO
COMPLEX(8), DIMENSION(:,:) :: A, B
INTEGER :: N, NDIAG, NRHS, LDA, LDB, INFO
SUBROUTINE PBTRS_64( UPLO, [N], NDIAG, [NRHS], A, [LDA], B, [LDB],
* [INFO])
CHARACTER(LEN=1) :: UPLO
COMPLEX(8), DIMENSION(:,:) :: A, B
INTEGER(8) :: N, NDIAG, NRHS, LDA, LDB, INFO
#include <sunperf.h>
void zpbtrs(char uplo, int n, int ndiag, int nrhs, doublecomplex *a, int lda, doublecomplex *b, int ldb, int *info);
void zpbtrs_64(char uplo, long n, long ndiag, long nrhs, doublecomplex *a, long lda, doublecomplex *b, long ldb, long *info);
zpbtrs solves a system of linear equations A*X = B with a Hermitian
positive definite band matrix A using the Cholesky factorization
A = U**H*U or A = L*L**H computed by CPBTRF.
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* UPLO (input)
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* N (input)
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The order of the matrix A. N >= 0.
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* NDIAG (input)
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The number of superdiagonals of the matrix A if UPLO = 'U',
or the number of subdiagonals if UPLO = 'L'. NDIAG >= 0.
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* NRHS (input)
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The number of right hand sides, i.e., the number of columns
of the matrix B. NRHS >= 0.
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* A (input)
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The triangular factor U or L from the Cholesky factorization
A = U**H*U or A = L*L**H of the band matrix A, stored in the
first NDIAG+1 rows of the array. The j-th column of U or L is
stored in the j-th column of the array A as follows:
if UPLO ='U', A(kd+1+i-j,j) = U(i,j) for max(1,j-kd)<=i<=j;
if UPLO ='L', A(1+i-j,j) = L(i,j) for j<=i<=min(n,j+kd).
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* LDA (input)
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The leading dimension of the array A. LDA >= NDIAG+1.
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* B (input/output)
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On entry, the right hand side matrix B.
On exit, the solution matrix X.
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* LDB (input)
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The leading dimension of the array B. LDB >= max(1,N).
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* INFO (output)
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