/[ascend]/trunk/base/generic/solver/slv_common.h
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Diff of /trunk/base/generic/solver/slv_common.h

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revision 591 by johnpye, Fri Apr 21 07:22:20 2006 UTC revision 592 by johnpye, Fri May 12 09:50:57 2006 UTC
# Line 767  struct vector_data { Line 767  struct vector_data {
767     boolean      accurate;   /**< Is vector currently accurate?  User-manipulated. */     boolean      accurate;   /**< Is vector currently accurate?  User-manipulated. */
768  };  };
769    
770  extern struct vector_data *slv_create_vector(int32 low, int32 high);  ASC_DLLSPEC(struct vector_data *) slv_create_vector(int32 low, int32 high);
771  /**<  /**<
772   *  Returns a new vector_data initialized to the specified range.   *  Returns a new vector_data initialized to the specified range.
773   *  This function creates, initializes, and returns a new vector_data   *  This function creates, initializes, and returns a new vector_data
# Line 785  extern struct vector_data *slv_create_ve Line 785  extern struct vector_data *slv_create_ve
785   *          not be created.   *          not be created.
786   */   */
787    
788  extern int slv_init_vector(struct vector_data *vec, int32 low, int32 high);  ASC_DLLSPEC(int) slv_init_vector(struct vector_data *vec, int32 low, int32 high);
789  /**<  /**<
790   *  Initializes a vector_data structure.   *  Initializes a vector_data structure.
791   *  The new range (low..high) is considered proper if both low and   *  The new range (low..high) is considered proper if both low and
# Line 806  extern int slv_init_vector(struct vector Line 806  extern int slv_init_vector(struct vector
806   *          and 3 if memory cannot be allocated.   *          and 3 if memory cannot be allocated.
807   */   */
808    
809  extern void slv_destroy_vector(struct vector_data *vec);  ASC_DLLSPEC(void) slv_destroy_vector(struct vector_data *vec);
810  /**<  /**<
811   *  Destroys a vector and its assocated data.   *  Destroys a vector and its assocated data.
812   *  Deallocates any memory held in vec->rng and vec->vec,   *  Deallocates any memory held in vec->rng and vec->vec,
# Line 816  extern void slv_destroy_vector(struct ve Line 816  extern void slv_destroy_vector(struct ve
816   *  @param vec Pointer to the vector_data to destroy.   *  @param vec Pointer to the vector_data to destroy.
817   */   */
818    
819  extern void slv_zero_vector(struct vector_data *vec);  ASC_DLLSPEC(void) slv_zero_vector(struct vector_data *vec);
820  /**<  /**<
821   *  Zeroes a vector.   *  Zeroes a vector.
822   *  The vector entries between vec->rng.low and  vec->rng.high will   *  The vector entries between vec->rng.low and  vec->rng.high will
# Line 831  extern void slv_zero_vector(struct vecto Line 831  extern void slv_zero_vector(struct vecto
831   *  @param vec The vector to zero.   *  @param vec The vector to zero.
832   */   */
833    
834  extern void slv_copy_vector(struct vector_data *srcvec,  ASC_DLLSPEC(void) slv_copy_vector(struct vector_data *srcvec,
835                              struct vector_data *destvec);                              struct vector_data *destvec);
836  /**<  /**<
837   *  Copies the data from srcvec to destvec.   *  Copies the data from srcvec to destvec.
# Line 853  extern void slv_copy_vector(struct vecto Line 853  extern void slv_copy_vector(struct vecto
853   *  @param destvec The vector to receive the copied data.   *  @param destvec The vector to receive the copied data.
854   */   */
855    
856  extern real64 slv_inner_product(struct vector_data *vec1,  ASC_DLLSPEC(real64) slv_inner_product(struct vector_data *vec1,
857                                  struct vector_data *vec2);                                  struct vector_data *vec2);
858  /**<  /**<
859   *  Calculates the dot product of 2 vectors.   *  Calculates the dot product of 2 vectors.
# Line 875  extern real64 slv_inner_product(struct v Line 875  extern real64 slv_inner_product(struct v
875   *  @todo solver/slv_common:slv_inner_product() could stand to be optimized.   *  @todo solver/slv_common:slv_inner_product() could stand to be optimized.
876   */   */
877    
878  extern real64 slv_square_norm(struct vector_data *vec);  ASC_DLLSPEC(real64) slv_square_norm(struct vector_data *vec);
879  /**<  /**<
880   *  Calculates the dot product of a vector with itself.   *  Calculates the dot product of a vector with itself.
881   *  Dot [vec->rng.low .. vec->rng.high] with itself and store the   *  Dot [vec->rng.low .. vec->rng.high] with itself and store the
# Line 891  extern real64 slv_square_norm(struct vec Line 891  extern real64 slv_square_norm(struct vec
891   *  @todo solver/slv_common:slv_square_norm() could stand to be optimized.   *  @todo solver/slv_common:slv_square_norm() could stand to be optimized.
892   */   */
893    
894  extern void slv_matrix_product(mtx_matrix_t mtx,  ASC_DLLSPEC(void) slv_matrix_product(mtx_matrix_t mtx,
895                                 struct vector_data *vec,                                 struct vector_data *vec,
896                                 struct vector_data *prod,                                 struct vector_data *prod,
897                                 real64 scale,                                 real64 scale,
# Line 944  extern void slv_write_vector(FILE *fp, s Line 944  extern void slv_write_vector(FILE *fp, s
944   * ----------------------------   * ----------------------------
945   */   */
946    
947  extern real64 slv_dot(int32 len, const real64 *a1, const real64 *a2);  ASC_DLLSPEC(real64) slv_dot(int32 len, const real64 *a1, const real64 *a2);
948  /**<  /**<
949   *  Calculates the dot product of 2 arrays of real64.   *  Calculates the dot product of 2 arrays of real64.
950   *  This is an optimized routine (loop unrolled).  It takes   *  This is an optimized routine (loop unrolled).  It takes
# Line 970  extern real64 slv_dot(int32 len, const r Line 970  extern real64 slv_dot(int32 len, const r
970   * --------------------------------   * --------------------------------
971   */   */
972    
973  extern FILE *slv_get_output_file(FILE *fp);  ASC_DLLSPEC(FILE *)slv_get_output_file(FILE *fp);
974  /**<  /**<
975   *  Checks a file pointer, and if NULL returns a pointer to the nul device.   *  Checks a file pointer, and if NULL returns a pointer to the nul device.
976   *  If you are in environment that doesn't have something like   *  If you are in environment that doesn't have something like
# Line 1216  extern int slv_direct_log_solve(slv_syst Line 1216  extern int slv_direct_log_solve(slv_syst
1216   * --------------------   * --------------------
1217   */   */
1218    
1219  extern int32 **slv_create_lnkmap(int32 m, int32 n, int32 hl, int32 *hi, int32 *hj);  ASC_DLLSPEC(int32 **) slv_create_lnkmap(int32 m, int32 n, int32 hl, int32 *hi, int32 *hj);
1220  /**<  /**<
1221   *  Builds a row-biased mapping array from the hi,hj lists given.   *  Builds a row-biased mapping array from the hi,hj lists given.
1222   *  The map returned has the following format:   *  The map returned has the following format:
# Line 1256  extern int32 **slv_create_lnkmap(int32 m Line 1256  extern int32 **slv_create_lnkmap(int32 m
1256   *  @return Pointer to the new lnkmap array, or NULL if an error occurred.   *  @return Pointer to the new lnkmap array, or NULL if an error occurred.
1257   */   */
1258    
1259  extern int32 **slv_lnkmap_from_mtx(mtx_matrix_t mtx, mtx_region_t *region);  ASC_DLLSPEC(int32 **) slv_lnkmap_from_mtx(mtx_matrix_t mtx, mtx_region_t *region);
1260  /**<  /**<
1261   *  Generates a lnkmap from a region of a matrix.   *  Generates a lnkmap from a region of a matrix.
1262   *  The length of the map returned will be the order of mtx.  Empty rows   *  The length of the map returned will be the order of mtx.  Empty rows
# Line 1279  extern int32 **slv_lnkmap_from_mtx(mtx_m Line 1279  extern int32 **slv_lnkmap_from_mtx(mtx_m
1279   *  @see slv_create_lnkmap() for a more details about lnkmaps.   *  @see slv_create_lnkmap() for a more details about lnkmaps.
1280   */   */
1281    
1282  extern void slv_destroy_lnkmap(int32 **map);  ASC_DLLSPEC(void) slv_destroy_lnkmap(int32 **map);
1283  /**<  /**<
1284   *  Deallocate a map created by slv_create_lnkmap() or slv_destroy_lnkmap().   *  Deallocate a map created by slv_create_lnkmap() or slv_destroy_lnkmap().
1285   *  destroy_lnkmap() will tolerate a NULL map as input.   *  destroy_lnkmap() will tolerate a NULL map as input.
# Line 1287  extern void slv_destroy_lnkmap(int32 **m Line 1287  extern void slv_destroy_lnkmap(int32 **m
1287   *  @param map The lnkmap to destroy.   *  @param map The lnkmap to destroy.
1288   */   */
1289    
1290  extern void slv_write_lnkmap(FILE *fp, int m, int32 **map);  ASC_DLLSPEC(void) slv_write_lnkmap(FILE *fp, int m, int32 **map);
1291  /**<  /**<
1292   *  Prints a link map to a file.   *  Prints a link map to a file.
1293   *  write_lnkmap() will tolerate a NULL map as input.   *  write_lnkmap() will tolerate a NULL map as input.
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john.pye@anu.edu.au
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