/misc/src/release/graphviz-2.18-1/src/graphviz-2.18/lib/neatogen/matrix_ops.c File Reference

#include "matrix_ops.h"
#include <stdlib.h>
#include <stdio.h>
#include <math.h>

Include dependency graph for matrix_ops.c:

Go to the source code of this file.

Defines

#define RANGE   500

Functions

boolean power_iteration (double **square_mat, int n, int neigs, double **eigs, double *evals, boolean initialize)
void mult_dense_mat (double **A, float **B, int dim1, int dim2, int dim3, float ***CC)
void mult_dense_mat_d (double **A, float **B, int dim1, int dim2, int dim3, double ***CC)
void mult_sparse_dense_mat_transpose (vtx_data *A, double **B, int dim1, int dim2, float ***CC)
void cpvec (double *copy, int beg, int end, double *vec)
double dot (double *vec1, int beg, int end, double *vec2)
void scadd (double *vec1, int beg, int end, double fac, double *vec2)
void vecscale (double *vec1, int beg, int end, double alpha, double *vec2)
double norm (double *vec, int beg, int end)
void orthog1 (int n, double *vec)
void init_vec_orth1 (int n, double *vec)
void right_mult_with_vector (vtx_data *matrix, int n, double *vector, double *result)
void right_mult_with_vector_f (float **matrix, int n, double *vector, double *result)
void vectors_subtraction (int n, double *vector1, double *vector2, double *result)
void vectors_addition (int n, double *vector1, double *vector2, double *result)
void vectors_scalar_mult (int n, double *vector, double alpha, double *result)
void copy_vector (int n, double *source, double *dest)
double vectors_inner_product (int n, double *vector1, double *vector2)
double max_abs (int n, double *vector)
void right_mult_with_vector_transpose (double **matrix, int dim1, int dim2, double *vector, double *result)
void right_mult_with_vector_d (double **matrix, int dim1, int dim2, double *vector, double *result)
void orthog1f (int n, float *vec)
void right_mult_with_vector_ff (float *packed_matrix, int n, float *vector, float *result)
void vectors_substractionf (int n, float *vector1, float *vector2, float *result)
void vectors_additionf (int n, float *vector1, float *vector2, float *result)
void vectors_mult_additionf (int n, float *vector1, float alpha, float *vector2)
void vectors_scalar_multf (int n, float *vector, float alpha, float *result)
void copy_vectorf (int n, float *source, float *dest)
double vectors_inner_productf (int n, float *vector1, float *vector2)
void set_vector_val (int n, double val, double *result)
void set_vector_valf (int n, float val, float *result)
double max_absf (int n, float *vector)
void square_vec (int n, float *vec)
void invert_vec (int n, float *vec)
void sqrt_vec (int n, float *vec)
void sqrt_vecf (int n, float *source, float *target)
void invert_sqrt_vec (int n, float *vec)


Define Documentation

#define RANGE   500

Definition at line 340 of file matrix_ops.c.

Referenced by init_vec_orth1().


Function Documentation

void copy_vector ( int  n,
double *  source,
double *  dest 
)

Definition at line 433 of file matrix_ops.c.

Referenced by conjugate_gradient(), and conjugate_gradient_f().

void copy_vectorf ( int  n,
float *  source,
float *  dest 
)

Definition at line 659 of file matrix_ops.c.

Referenced by conjugate_gradient_mkernel(), and stress_majorization_kD_mkernel().

void cpvec ( double *  copy,
int  beg,
int  end,
double *  vec 
)

Definition at line 260 of file matrix_ops.c.

Referenced by power_iteration().

double dot ( double *  vec1,
int  beg,
int  end,
double *  vec2 
)

Definition at line 272 of file matrix_ops.c.

Referenced by lu_solve(), norm(), and power_iteration().

void init_vec_orth1 ( int  n,
double *  vec 
)

Definition at line 343 of file matrix_ops.c.

References orthog1(), and RANGE.

void invert_sqrt_vec ( int  n,
float *  vec 
)

Definition at line 753 of file matrix_ops.c.

Referenced by stress_majorization_kD_mkernel().

void invert_vec ( int  n,
float *  vec 
)

Definition at line 715 of file matrix_ops.c.

Referenced by stress_majorization_kD_mkernel().

double max_abs ( int  n,
double *  vector 
)

Definition at line 453 of file matrix_ops.c.

double max_absf ( int  n,
float *  vector 
)

Definition at line 694 of file matrix_ops.c.

void mult_dense_mat ( double **  A,
float **  B,
int  dim1,
int  dim2,
int  dim3,
float ***  CC 
)

Definition at line 144 of file matrix_ops.c.

References C, malloc(), NULL, and realloc().

void mult_dense_mat_d ( double **  A,
float **  B,
int  dim1,
int  dim2,
int  dim3,
double ***  CC 
)

Definition at line 180 of file matrix_ops.c.

References C, malloc(), NULL, and realloc().

Referenced by iterativePCA_1D().

void mult_sparse_dense_mat_transpose ( vtx_data A,
double **  B,
int  dim1,
int  dim2,
float ***  CC 
)

Definition at line 216 of file matrix_ops.c.

References C, vtx_data::ewgts, malloc(), vtx_data::nedges, NULL, and realloc().

Referenced by iterativePCA_1D().

double norm ( double *  vec,
int  beg,
int  end 
)

Definition at line 312 of file matrix_ops.c.

References dot().

Referenced by power_iteration().

void orthog1 ( int  n,
double *  vec 
)

Definition at line 321 of file matrix_ops.c.

Referenced by conjugate_gradient(), conjugate_gradient_f(), init_vec_orth1(), initLayout(), and stress_majorization_kD_mkernel().

void orthog1f ( int  n,
float *  vec 
)

Definition at line 546 of file matrix_ops.c.

Referenced by conjugate_gradient_mkernel().

boolean power_iteration ( double **  square_mat,
int  n,
int  neigs,
double **  eigs,
double *  evals,
boolean  initialize 
)

Definition at line 26 of file matrix_ops.c.

References cpvec(), dot(), free(), N_GNEW, norm(), right_mult_with_vector_d(), scadd(), and vecscale().

Referenced by iterativePCA_1D(), and PCA_alloc().

void right_mult_with_vector ( vtx_data matrix,
int  n,
double *  vector,
double *  result 
)

Definition at line 356 of file matrix_ops.c.

References vtx_data::nedges.

Referenced by conjugate_gradient().

void right_mult_with_vector_d ( double **  matrix,
int  dim1,
int  dim2,
double *  vector,
double *  result 
)

Definition at line 523 of file matrix_ops.c.

Referenced by power_iteration().

void right_mult_with_vector_f ( float **  matrix,
int  n,
double *  vector,
double *  result 
)

Definition at line 373 of file matrix_ops.c.

Referenced by conjugate_gradient_f().

void right_mult_with_vector_ff ( float *  packed_matrix,
int  n,
float *  vector,
float *  result 
)

Definition at line 596 of file matrix_ops.c.

Referenced by conjugate_gradient_mkernel(), and stress_majorization_kD_mkernel().

void right_mult_with_vector_transpose ( double **  matrix,
int  dim1,
int  dim2,
double *  vector,
double *  result 
)

Definition at line 505 of file matrix_ops.c.

void scadd ( double *  vec1,
int  beg,
int  end,
double  fac,
double *  vec2 
)

Definition at line 288 of file matrix_ops.c.

Referenced by power_iteration().

void set_vector_val ( int  n,
double  val,
double *  result 
)

Definition at line 679 of file matrix_ops.c.

void set_vector_valf ( int  n,
float  val,
float *  result 
)

Definition at line 687 of file matrix_ops.c.

Referenced by stress_majorization_kD_mkernel().

void sqrt_vec ( int  n,
float *  vec 
)

Definition at line 726 of file matrix_ops.c.

Referenced by stress_majorization_kD_mkernel().

void sqrt_vecf ( int  n,
float *  source,
float *  target 
)

Definition at line 738 of file matrix_ops.c.

Referenced by stress_majorization_kD_mkernel().

void square_vec ( int  n,
float *  vec 
)

Definition at line 706 of file matrix_ops.c.

Referenced by stress_majorization_kD_mkernel().

void vecscale ( double *  vec1,
int  beg,
int  end,
double  alpha,
double *  vec2 
)

Definition at line 300 of file matrix_ops.c.

Referenced by power_iteration().

void vectors_addition ( int  n,
double *  vector1,
double *  vector2,
double *  result 
)

Definition at line 401 of file matrix_ops.c.

Referenced by conjugate_gradient(), and conjugate_gradient_f().

void vectors_additionf ( int  n,
float *  vector1,
float *  vector2,
float *  result 
)

Definition at line 631 of file matrix_ops.c.

Referenced by conjugate_gradient_mkernel(), and stress_majorization_kD_mkernel().

double vectors_inner_product ( int  n,
double *  vector1,
double *  vector2 
)

Definition at line 441 of file matrix_ops.c.

Referenced by conjugate_gradient(), and conjugate_gradient_f().

double vectors_inner_productf ( int  n,
float *  vector1,
float *  vector2 
)

Definition at line 667 of file matrix_ops.c.

Referenced by conjugate_gradient_mkernel(), and stress_majorization_kD_mkernel().

void vectors_mult_additionf ( int  n,
float *  vector1,
float  alpha,
float *  vector2 
)

Definition at line 641 of file matrix_ops.c.

Referenced by conjugate_gradient_mkernel(), and stress_majorization_kD_mkernel().

void vectors_scalar_mult ( int  n,
double *  vector,
double  alpha,
double *  result 
)

Definition at line 424 of file matrix_ops.c.

Referenced by conjugate_gradient(), and conjugate_gradient_f().

void vectors_scalar_multf ( int  n,
float *  vector,
float  alpha,
float *  result 
)

Definition at line 650 of file matrix_ops.c.

Referenced by conjugate_gradient_mkernel().

void vectors_substractionf ( int  n,
float *  vector1,
float *  vector2,
float *  result 
)

Definition at line 621 of file matrix_ops.c.

Referenced by conjugate_gradient_mkernel().

void vectors_subtraction ( int  n,
double *  vector1,
double *  vector2,
double *  result 
)

Definition at line 390 of file matrix_ops.c.

Referenced by conjugate_gradient(), and conjugate_gradient_f().


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