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ElmerCSC
GitHub Repository: ElmerCSC/elmerfem
 Path: blob/devel/elmergrid/src/egdef.h
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/* femdef.h -> egdef.h */

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/* General definitions for the FEM program. */

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#ifndef _FEMDEF_H_

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#define _FEMDEF_H_

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#ifdef EG_PLUGIN

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#define USE_MATC 0

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#else

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#ifdef DISABLE_MATC

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#define USE_MATC 0

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#else

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#define USE_MATC 1

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#endif

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#endif

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#ifdef EG_PLUGIN

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#define USE_METIS 0

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#else

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#ifdef DISABLE_METIS

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#define USE_METIS 0

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#else

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#define USE_METIS 1

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#endif

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#endif

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typedef double Real;

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typedef int Integer;

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#define TRUE 1

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#define FALSE 0

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/* Natural constants */

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#ifndef FM_PI

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#define FM_PI 3.141592653

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#endif

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#define NEARZERO 1.0e-50

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/* the number and order of the axes */

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#define XAXIS 0

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#define YAXIS 1

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#define ZAXIS 2

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#define DIM 2

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/* four possible directions */

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#define INDEFINITE -1

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#define RIGHT 1

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#define UP    2

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#define LEFT  3

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#define DOWN  0

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/* bilinear 2D element sides */

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#define BOTLEFT  0

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#define TOPLEFT  3

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#define BOTRIGHT 1

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#define TOPRIGHT 2

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/* linear 1D element */

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#define FIRST   0

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#define SECOND  1

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/* coordinate systems */

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#define COORD_CART2 0

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#define COORD_AXIS  1

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#define COORD_POLAR 2

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#define COORD_CART3 3

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#define COORD_CART1 4

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#define COORD_CYL   5

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/* Different types of boundary conditions */

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#define BNDR_NOTHING       0

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/* Type of knot */

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#define KNOTS_ALL        1

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#define KNOTS_DIRICHLET  2

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#define KNOTS_FREE       3 

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/* Type of numbering */

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#define NUMBER_XY   1

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#define NUMBER_YX   2

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#define NUMBER_1D   3

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/* The values corresponding the different materials in the mesh. */

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#define MAT_SMALLER  -11

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#define MAT_BIGGER   -9

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#define MAT_ANYTHING -10

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#define MAT_BOT      -1

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#define MAT_RIGHT    -2

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#define MAT_TOP      -3

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#define MAT_LEFT     -4

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#define MAT_NOTHING    0

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#define MAT_FIRSTNUMBER  2

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#define MAT_MAXNUMBER  50

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/* #define MAT_ORIGO      1 */

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/* Elementary functions */

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#define MIN(x, y) ( ((x) < (y)) ? (x) : (y) )

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#define MAX(x, y) ( ((x) > (y)) ? (x) : (y) )

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#define SGN(x)    ( ((x) < 0.) ? (-1) : (((x) > 0.) ? (1) : 0) )

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#define ABS(x)    ( (x) >= 0 ? (x) : -(x))

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#define FABS(x)   ( (x) >= 0.0 ? (x) : -(x))

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#define SQR(x)  ((x) * (x))

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#define POS(x)  ((x) > 0.0 ? (x) : 0.0)

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#define NEG(x)  ((x) < 0.0 ? (x) : 0.0)

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#define RAD_TO_DEG(x) ((x)*180.0/FM_PI)

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#define DEG_TO_RAD(x) ((x)*FM_PI/180.0)

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#endif

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