2vector.h Source File

00001 
00014 /* This library is free software; you can redistribute it and/or
00015    modify it under the terms of the GNU Lesser General Public
00016    License as published by the Free Software Foundation; either
00017    version 2.1 of the License, or (at your option) any later version.
00018 
00019    This library is distributed in the hope that it will be useful,
00020    but WITHOUT ANY WARRANTY; without even the implied warranty of
00021    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00022    Lesser General Public License for more details.
00023 
00024    You should have received a copy of the GNU Lesser General Public
00025    License along with this library; if not, write to the Free Software
00026    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00027 */
00028 
00029 #ifndef _GAN_2VECTOR_H
00030 #define _GAN_2VECTOR_H
00031 
00032 #include <stdlib.h>
00033 #include <stdio.h>
00034 #include <gandalf/common/misc_defs.h>
00048 /* This library is free software; you can redistribute it and/or
00049    modify it under the terms of the GNU Lesser General Public
00050    License as published by the Free Software Foundation; either
00051    version 2.1 of the License, or (at your option) any later version.
00052 
00053    This library is distributed in the hope that it will be useful,
00054    but WITHOUT ANY WARRANTY; without even the implied warranty of
00055    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00056    Lesser General Public License for more details.
00057 
00058    You should have received a copy of the GNU Lesser General Public
00059    License along with this library; if not, write to the Free Software
00060    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00061 */
00062 
00063 #ifndef _GAN_REPEAT2_H
00064 #define _GAN_REPEAT2_H
00065 
00066 #ifdef __cplusplus
00067 extern "C" {
00068 #endif
00069 
00070 /* macros for constructing two-fold repetitions */
00071 #define GAN_REP2_AS(a,b,p1,p2) (a p1 b, a p2 b)
00072 #define GAN_REP2_A(a,p1,p2) (a p1, a p2)
00073 #define GAN_REP2_AS_C(a,b) GAN_REP2_AS(a,b,x,y)
00074 #define GAN_REP2_A_C(a) GAN_REP2_A(a,x,y)
00075 
00076 #define GAN_FREP2_A(a,b,p1,p2,q1,q2) (a p1 b q1, a p2 b q2)
00077 #define GAN_FREP2_A_C(a,b,p1,p2) GAN_FREP2_A(a,b,x,y,p1,p2)
00078 
00079 #define GAN_REP2_AB(a,b,p1,p2,q1,q2) (a p1 b q1, a p2 b q2)
00080 #define GAN_REP2_AA(a,b,p1,p2) GAN_REP2_AB(a,b,p1,p2,p1,p2)
00081 #define GAN_REP2_AA_C(a,b) GAN_REP2_AA(a,b,x,y)
00082 
00083 #define GAN_REP2_ABS(a,b,c,p1,p2,q1,q2) (a p1 b q1 c, a p2 b q2 c)
00084 #define GAN_REP2_AAS(a,b,c,p1,p2) GAN_REP2_ABS(a,b,c,p1,p2,p1,p2)
00085 #define GAN_REP2_AAS_C(a,b,c) GAN_REP2_AAS(a,b,c,x,y)
00086 
00087 #define GAN_REP2_AB(a,b,p1,p2,q1,q2) (a p1 b q1, a p2 b q2)
00088 #define GAN_REP2_AA(a,b,p1,p2) GAN_REP2_AB(a,b,p1,p2,p1,p2)
00089 #define GAN_REP2_AA_C(a,b) GAN_REP2_AA(a,b,x,y)
00090 
00091 #define GAN_REP2_ABCS(a,b,c,d,p1,p2,q1,q2,r1,r2)\
00092            (a p1 b q1 c r1 d, a p2 b q2 c r2 d)
00093 #define GAN_REP2_ABC(a,b,c,p1,p2,q1,q2,r1,r2)\
00094            (a p1 b q1 c r1, a p2 b q2 c r2)
00095 #define GAN_REP2_AAA(a,b,c,p1,p2) GAN_REP2_ABC(a,b,c,p1,p2,p1,p2,p1,p2)
00096 #define GAN_REP2_AAA_C(a,b,c) GAN_REP2_AAA(a,b,c,x,y)
00097 
00098 #define GAN_REP2_OP_AB(a,b,p1,p2,q1,q2,op)\
00099            (a p1 b q1 op a p2 b q2)
00100 #define GAN_REP2_OP_AA(a,b,p1,p2,op) GAN_REP2_OP_AB(a,b,p1,p2,p1,p2,op)
00101 #define GAN_REP2_OP_AA_C(a,b,op) GAN_REP2_OP_AA(a,b,x,y,op)
00102 
00103 #ifdef __cplusplus
00104 }
00105 #endif
00106 
00107 #endif /* #ifndef _GAN_REPEAT2_H */
00108 
00121 /* This library is free software; you can redistribute it and/or
00122    modify it under the terms of the GNU Lesser General Public
00123    License as published by the Free Software Foundation; either
00124    version 2.1 of the License, or (at your option) any later version.
00125 
00126    This library is distributed in the hope that it will be useful,
00127    but WITHOUT ANY WARRANTY; without even the implied warranty of
00128    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00129    Lesser General Public License for more details.
00130 
00131    You should have received a copy of the GNU Lesser General Public
00132    License along with this library; if not, write to the Free Software
00133    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00134 */
00135 
00136 #ifndef _GAN_MATVECF_MACROS_H
00137 #define _GAN_MATVECF_MACROS_H
00138 
00139 #ifdef __cplusplus
00140 extern "C" {
00141 #endif
00142 
00143 /* macros for testing the types of pointer arguments and then applying an
00144  * operation to them */
00145 #define GAN_TEST_OP1(A,typeA) assert(sizeof(*(A))==sizeof(typeA))
00146 #define GAN_TEST_OP2(A,B,typeA,typeB)\
00147   (assert(sizeof(*(A))==sizeof(typeA)&&sizeof(*(B))==sizeof(typeB)))
00148 #define GAN_TEST_OP3(A,B,C,typeA,typeB,typeC)\
00149   (assert(sizeof(*(A))==sizeof(typeA)&&sizeof(*(B))==sizeof(typeB)&&\
00150           sizeof(*(C))==sizeof(typeC)))
00151 #define GAN_TEST_OP4(A,B,C,D,typeA,typeB,typeC,typeD)\
00152   (assert(sizeof(*(A))==sizeof(typeA)&&sizeof(*(B))==sizeof(typeB)&&\
00153           sizeof(*(C))==sizeof(typeC)&&sizeof(*(D))==sizeof(typeD)))
00154 #define GAN_TEST_OP5(A,B,C,D,E,typeA,typeB,typeC,typeD,typeE)\
00155   (assert(sizeof(*(A))==sizeof(typeA)&&sizeof(*(B))==sizeof(typeB)&&\
00156           sizeof(*(C))==sizeof(typeC)&&sizeof(*(D))==sizeof(typeD)&&\
00157           sizeof(*(E))==sizeof(typeE)))
00158 
00159 #ifdef __cplusplus
00160 }
00161 #endif
00162 
00163 #endif /* #ifndef _GAN_MATVECF_MACROS_H */
00164 #include <gandalf/linalg/vec_gen.h>
00165 
00166 #ifdef __cplusplus
00167 extern "C" {
00168 #endif
00169 
00185 
00186 typedef struct Gan_Vector2
00187 {
00188    double x, y;
00189 } Gan_Vector2, Gan_Vector2_d;
00190 
00192 typedef struct Gan_Vector2_uc
00193 {
00194    unsigned char x, y;
00195 } Gan_Vector2_uc;
00196 
00198 typedef struct Gan_Vector2_s
00199 {
00200    short x, y;
00201 } Gan_Vector2_s;
00202 
00204 typedef struct Gan_Vector2_us
00205 {
00206    unsigned short x, y;
00207 } Gan_Vector2_us;
00208 
00210 typedef struct Gan_Vector2_i
00211 {
00212    int x, y;
00213 } Gan_Vector2_i;
00214 
00216 typedef struct Gan_Vector2_ui
00217 {
00218    unsigned int x, y;
00219 } Gan_Vector2_ui;
00220 
00222 #if (SIZEOF_DOUBLE == 8)
00223 typedef struct Gan_Vector2 Gan_Vector2_f64;
00224 #endif
00225 
00226 #if (SIZEOF_CHAR == 1)
00227 typedef struct Gan_Vector2_uc Gan_Vector2_ui8;
00228 #endif
00229 
00230 #if (SIZEOF_SHORT == 2)
00231 typedef struct Gan_Vector2_s  Gan_Vector2_i16;
00232 typedef struct Gan_Vector2_us Gan_Vector2_ui16;
00233 #endif
00234 
00235 #if (SIZEOF_INT == 4)
00236 typedef struct Gan_Vector2_i  Gan_Vector2_i32;
00237 typedef struct Gan_Vector2_ui Gan_Vector2_ui32;
00238 #endif
00239 
00240 /* declare functions specific to 2-vectors */
00254 /* This library is free software; you can redistribute it and/or
00255    modify it under the terms of the GNU Lesser General Public
00256    License as published by the Free Software Foundation; either
00257    version 2.1 of the License, or (at your option) any later version.
00258 
00259    This library is distributed in the hope that it will be useful,
00260    but WITHOUT ANY WARRANTY; without even the implied warranty of
00261    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00262    Lesser General Public License for more details.
00263 
00264    You should have received a copy of the GNU Lesser General Public
00265    License along with this library; if not, write to the Free Software
00266    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00267 */
00268 
00283  Gan_Vector2 *gan_vec2_fill_q ( Gan_Vector2 *p, double X, double Y );
00284 
00290 #define GAN_VECTYPE Gan_Vector2
00291 #define GAN_VECTOR_TYPE Gan_Vector
00292 #define GAN_VEC_ELEMENT_TYPE GAN_DOUBLE
00293 #define GAN_REALTYPE double
00294 #define GAN_FWRITE_LENDIAN gan_fwrite_lendian_f64
00295 #define GAN_FREAD_LENDIAN  gan_fread_lendian_f64
00296 #define GAN_VEC_FPRINT     gan_vec2_fprint
00297 #define GAN_VEC_PRINT      gan_vec2_print
00298 #define GAN_VEC_FSCANF     gan_vec2_fscanf
00299 #define GAN_VEC_FWRITE     gan_vec2_fwrite
00300 #define GAN_VEC_FREAD      gan_vec2_fread
00301 #define GAN_VEC_ZERO_Q     gan_vec2_zero_q
00302 #define GAN_VEC_ZERO_S     gan_vec2_zero_s
00303 #define GAN_VEC_COPY_Q     gan_vec2_copy_q
00304 #define GAN_VEC_COPY_S     gan_vec2_copy_s
00305 #define GAN_VEC_SCALE_Q    gan_vec2_scale_q
00306 #define GAN_VEC_SCALE_S    gan_vec2_scale_s
00307 #define GAN_VEC_SCALE_I    gan_vec2_scale_i
00308 #define GAN_VEC_DIVIDE_Q   gan_vec2_divide_q
00309 #define GAN_VEC_DIVIDE_S   gan_vec2_divide_s
00310 #define GAN_VEC_DIVIDE_I   gan_vec2_divide_i
00311 #define GAN_VEC_NEGATE_Q   gan_vec2_negate_q
00312 #define GAN_VEC_NEGATE_S   gan_vec2_negate_s
00313 #define GAN_VEC_NEGATE_I   gan_vec2_negate_i
00314 #define GAN_VEC_UNIT_Q     gan_vec2_unit_q
00315 #define GAN_VEC_UNIT_S     gan_vec2_unit_s
00316 #define GAN_VEC_UNIT_I     gan_vec2_unit_i
00317 #define GAN_VEC_ADD_Q      gan_vec2_add_q
00318 #define GAN_VEC_ADD_I1     gan_vec2_add_i1
00319 #define GAN_VEC_ADD_I2     gan_vec2_add_i2
00320 #define GAN_VEC_INCREMENT  gan_vec2_increment
00321 #define GAN_VEC_ADD_S      gan_vec2_add_s
00322 #define GAN_VEC_SUB_Q      gan_vec2_sub_q
00323 #define GAN_VEC_SUB_I1     gan_vec2_sub_i1
00324 #define GAN_VEC_SUB_I2     gan_vec2_sub_i2
00325 #define GAN_VEC_DECREMENT  gan_vec2_decrement
00326 #define GAN_VEC_SUB_S      gan_vec2_sub_s
00327 #define GAN_VEC_DOT_Q      gan_vec2_dot_q
00328 #define GAN_VEC_DOT_S      gan_vec2_dot_s
00329 #define GAN_VEC_SQRLEN_Q   gan_vec2_sqrlen_q
00330 #define GAN_VEC_SQRLEN_S   gan_vec2_sqrlen_s
00331 #define GAN_VEC_FROM_VEC_Q gan_vec2_from_vec_q
00332 #define GAN_VEC_FROM_VEC_S gan_vec2_from_vec_s
00333 
00347 /* This library is free software; you can redistribute it and/or
00348    modify it under the terms of the GNU Lesser General Public
00349    License as published by the Free Software Foundation; either
00350    version 2.1 of the License, or (at your option) any later version.
00351 
00352    This library is distributed in the hope that it will be useful,
00353    but WITHOUT ANY WARRANTY; without even the implied warranty of
00354    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00355    Lesser General Public License for more details.
00356 
00357    You should have received a copy of the GNU Lesser General Public
00358    License along with this library; if not, write to the Free Software
00359    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00360 */
00361 
00362 /* function declarations for functions common to all small vector types */
00363 
00364 
00365 /* documentation for macros defined in individual header files */
00366 
00377  Gan_Vector2 *gan_vec2_zero_q ( Gan_Vector2 *p );
00378 
00393  Gan_Vector2 *gan_vec2_copy_q ( Gan_Vector2 *p, Gan_Vector2 *q );
00394 
00410  Gan_Vector2 *gan_vec2_scale_q ( Gan_Vector2 *p, double a,
00411                                Gan_Vector2 *q );
00412 
00418  Gan_Vector2 *gan_vec2_scale_i ( Gan_Vector2 *p, double a );
00419 
00426  Gan_Vector2 *gan_vec2_divide_q ( Gan_Vector2 *p, double a,
00427                                 Gan_Vector2 *q );
00428 
00434  Gan_Vector2 *gan_vec2_divide_i ( Gan_Vector2 *p, double a );
00435 
00443  Gan_Vector2 *gan_vec2_negate_q ( Gan_Vector2 *p, Gan_Vector2 *q );
00444 
00452  Gan_Vector2 *gan_vec2_negate_i ( Gan_Vector2 *p );
00453 
00459  Gan_Vector2 *gan_vec2_unit_i ( Gan_Vector2 *p );
00460 
00478  Gan_Vector2 *gan_vec2_add_q ( Gan_Vector2 *p, Gan_Vector2 *q, Gan_Vector2 *r );
00479 
00488  Gan_Vector2 *gan_vec2_add_i1 ( Gan_Vector2 *p, Gan_Vector2 *q );
00489 
00498  Gan_Vector2 *gan_vec2_add_i2 ( Gan_Vector2 *p, Gan_Vector2 *q );
00499 
00508  Gan_Vector2 *gan_vec2_increment ( Gan_Vector2 *p, Gan_Vector2 *q );
00509 
00527  Gan_Vector2 *gan_vec2_sub_q ( Gan_Vector2 *p, Gan_Vector2 *q, Gan_Vector2 *r );
00528 
00537  Gan_Vector2 *gan_vec2_sub_i1 ( Gan_Vector2 *p, Gan_Vector2 *q );
00538 
00547  Gan_Vector2 *gan_vec2_sub_i2 ( Gan_Vector2 *p, Gan_Vector2 *q );
00548 
00557  Gan_Vector2 *gan_vec2_decrement ( Gan_Vector2 *p, Gan_Vector2 *q );
00558 
00574  double gan_vec2_dot_q ( const Gan_Vector2 *p, const Gan_Vector2 *q );
00575 
00593  double gan_vec2_sqrlen_q ( const Gan_Vector2 *p );
00594 
00604  Gan_Vector2 gan_vec2_from_vec_s ( const Gan_Vector *x );
00605 
00623 /* This library is free software; you can redistribute it and/or
00624    modify it under the terms of the GNU Lesser General Public
00625    License as published by the Free Software Foundation; either
00626    version 2.1 of the License, or (at your option) any later version.
00627 
00628    This library is distributed in the hope that it will be useful,
00629    but WITHOUT ANY WARRANTY; without even the implied warranty of
00630    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00631    Lesser General Public License for more details.
00632 
00633    You should have received a copy of the GNU Lesser General Public
00634    License along with this library; if not, write to the Free Software
00635    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00636 */
00637 
00638 #undef GAN_VECTYPE
00639 #undef GAN_VECTOR_TYPE
00640 #undef GAN_VEC_ELEMENT_TYPE
00641 #undef GAN_REALTYPE
00642 #undef GAN_FWRITE_LENDIAN
00643 #undef GAN_FREAD_LENDIAN
00644 #undef GAN_VEC_FPRINT
00645 #undef GAN_VEC_PRINT
00646 #undef GAN_VEC_FSCANF
00647 #undef GAN_VEC_FWRITE
00648 #undef GAN_VEC_FREAD
00649 #undef GAN_VEC_ZERO_Q
00650 #undef GAN_VEC_ZERO_S
00651 #undef GAN_VEC_COPY_Q
00652 #undef GAN_VEC_COPY_S
00653 #undef GAN_VEC_SCALE_Q
00654 #undef GAN_VEC_SCALE_S
00655 #undef GAN_VEC_SCALE_I
00656 #undef GAN_VEC_DIVIDE_Q
00657 #undef GAN_VEC_DIVIDE_S
00658 #undef GAN_VEC_DIVIDE_I
00659 #undef GAN_VEC_NEGATE_Q
00660 #undef GAN_VEC_NEGATE_S
00661 #undef GAN_VEC_NEGATE_I
00662 #undef GAN_VEC_UNIT_Q
00663 #undef GAN_VEC_UNIT_S
00664 #undef GAN_VEC_UNIT_I
00665 #undef GAN_VEC_ADD_Q
00666 #undef GAN_VEC_ADD_I1
00667 #undef GAN_VEC_ADD_I2
00668 #undef GAN_VEC_INCREMENT
00669 #undef GAN_VEC_ADD_S
00670 #undef GAN_VEC_SUB_Q
00671 #undef GAN_VEC_SUB_I1
00672 #undef GAN_VEC_SUB_I2
00673 #undef GAN_VEC_DECREMENT
00674 #undef GAN_VEC_SUB_S
00675 #undef GAN_VEC_DOT_Q
00676 #undef GAN_VEC_DOT_S
00677 #undef GAN_VEC_SQRLEN_Q
00678 #undef GAN_VEC_SQRLEN_S
00679 #undef GAN_VEC_FROM_VEC_Q
00680 #undef GAN_VEC_FROM_VEC_S
00681 
00694 #ifdef __cplusplus
00695 }
00696 #endif
00697 
00698 #endif /* #ifndef _GAN_2VECTOR_H */