IWAVE: sgn.h Source File

00001 /* 
00002 sgn.h
00003 Igor Terentyev.
00004 ********************************************************************************
00005 Acoustics. NPML. Staggered grid. 1D, 2D, 3D. 
00006 Implementation with only bar variables.
00007 Arrays:
00008     velocities, multipliers (from sg.h),
00009     pressures, etas.
00010 Stencils:
00011     2-2, 2-4 standard.
00012 */
00013 /*============================================================================*/
00014 
00015 #ifndef __SGN_H_
00016 #define __SGN_H_
00017 /*----------------------------------------------------------------------------*/
00018 
00019 #include "fd.h"
00020 #include "sgnpars.h"
00021 #include "sgn_read.h"
00022 #include "create_sten_2k.h"
00023 #include "defaults.h"
00024 
00025 /* this declaration must be publicly available to external drivers:
00026    modelinit is passed as function pointer argument to iwave_construct. 
00027    On return, all other FD_MODEL function pointers are initialized and
00028    point to functions defined in this package - this is the only 
00029    package function which must be used before being assigned to an 
00030    FD_MODEL data member.
00031 */
00032 int asg_modelinit(PARARRAY *pars, FILE *stream, IMODEL *model);
00033 
00034 #endif /*__SGN_H_*/