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slapmt (3)
  • >> slapmt (3) ( Solaris man: Библиотечные вызовы )
  • 
    NAME
         slapmt - rearrange the columns of the M by  N  matrix  X  as
         specified  by  the  permutation  K(1),K(2),...,K(N)  of  the
         integers 1,...,N
    
    SYNOPSIS
         SUBROUTINE SLAPMT( FORWRD, M, N, X, LDX, K )
    
         LOGICAL FORWRD
    
         INTEGER LDX, M, N
    
         INTEGER K( * )
    
         REAL X( LDX, * )
    
    
    
         #include <sunperf.h>
    
         void slapmt(int forwrd, int m, int n, float  *sx,  int  ldx,
                   int *k) ;
    
    PURPOSE
         SLAPMT rearranges the columns of the M  by  N  matrix  X  as
         specified  by  the  permutation  K(1),K(2),...,K(N)  of  the
         integers 1,...,N.  If FORWRD = .TRUE.,  forward permutation:
    
              X(*,K(J)) is moved X(*,J) for J = 1,2,...,N.
    
         If FORWRD = .FALSE., backward permutation:
    
              X(*,J) is moved to X(*,K(J)) for J = 1,2,...,N.
    
    
    ARGUMENTS
         FORWRD    (input) LOGICAL
                   = .TRUE., forward permutation = .FALSE.,  backward
                   permutation
    
         M         (input) INTEGER
                   The number of rows of the matrix X. M >= 0.
    
         N         (input) INTEGER
                   The number of columns of the matrix X. N >= 0.
    
         X         (input/output) REAL array, dimension (LDX,N)
                   On entry, the M by N matrix X.  On  exit,  X  con-
                   tains the permuted matrix X.
    
         LDX       (input) INTEGER
                   The leading dimension  of  the  array  X,  LDX  >=
                   MAX(1,M).
    
         K         (input) INTEGER array, dimension (N)
                   On entry, K contains the permutation vector.
    
    
    
    


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