dpotrs
dpotrs - solve a system of linear equations A*X = B with a symmetric positive definite matrix A using the Cholesky factorization A = U**T*U or A = L*L**T computed by SPOTRF
SUBROUTINE DPOTRS( UPLO, N, NRHS, A, LDA, B, LDB, INFO)
CHARACTER * 1 UPLO
INTEGER N, NRHS, LDA, LDB, INFO
DOUBLE PRECISION A(LDA,*), B(LDB,*)
SUBROUTINE DPOTRS_64( UPLO, N, NRHS, A, LDA, B, LDB, INFO)
CHARACTER * 1 UPLO
INTEGER*8 N, NRHS, LDA, LDB, INFO
DOUBLE PRECISION A(LDA,*), B(LDB,*)
SUBROUTINE POTRS( UPLO, [N], [NRHS], A, [LDA], B, [LDB], [INFO])
CHARACTER(LEN=1) :: UPLO
INTEGER :: N, NRHS, LDA, LDB, INFO
REAL(8), DIMENSION(:,:) :: A, B
SUBROUTINE POTRS_64( UPLO, [N], [NRHS], A, [LDA], B, [LDB], [INFO])
CHARACTER(LEN=1) :: UPLO
INTEGER(8) :: N, NRHS, LDA, LDB, INFO
REAL(8), DIMENSION(:,:) :: A, B
#include <sunperf.h>
void dpotrs(char uplo, int n, int nrhs, double *a, int lda, double *b, int ldb, int *info);
void dpotrs_64(char uplo, long n, long nrhs, double *a, long lda, double *b, long ldb, long *info);
dpotrs solves a system of linear equations A*X = B with a symmetric
positive definite matrix A using the Cholesky factorization
A = U**T*U or A = L*L**T computed by SPOTRF.
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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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* 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**T*U or A = L*L**T, as computed by SPOTRF.
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* LDA (input)
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The leading dimension of the array A. LDA >= max(1,N).
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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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