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add border transmission test
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austin 2025-01-19 19:17:11 -05:00
parent 382c8e05d6
commit 5bab3a23e7
1 changed files with 157 additions and 0 deletions
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src/test/c/fluid/sim/pressurecell/border_transmission_tests.c Normal file
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#include <math.h>
#include "stb/stb_ds.h"
#include "fluid/dispatch/dispatcher.h"
#include "fluid/queue/boundsolver.h"
#include "fluid/queue/chunkmask.h"
#include "fluid/queue/chunk.h"
#include "fluid/env/environment.h"
#include "fluid/env/utilities.h"
#include "fluid/sim/simulator.h"
#include "fluid/sim/pressurecell/normalization.h"
#include "fluid/sim/pressurecell/solver_consts.h"
#include "fluid/tracking/tracking.h"
#include "math/ode/multigrid.h"
#include "../../../util/chunk_test_utils.h"
#include "../../../util/test.h"
/**
* Error margin for tests
*/
#define FLUID_PRESSURE_CELL_ERROR_MARGIN 0.01f
/**
* Number of chunks
*/
#define CHUNK_DIM 2
/**
* Testing normalizing values
*/
int fluid_sim_pressurecell_border_transmission_test1(){
printf("fluid_sim_pressurecell_border_transmission_test1\n");
int rVal = 0;
Environment * env = fluid_environment_create();
Chunk ** queue = NULL;
queue = createChunkGrid(env,CHUNK_DIM,CHUNK_DIM,CHUNK_DIM);
int chunkCount = arrlen(queue);
//setup chunk values
float deltaDensity = 0.01f;
Chunk * currentChunk = queue[0];
currentChunk->d[CENTER_LOC][IX(DIM-2,1,DIM-2)] = 0.2;
//actually simulate
for(int i = 0; i < 10; i++){
fluid_tracking_reset(env);
fluid_solve_bounds(chunkCount,queue,env);
fluid_dispatch(chunkCount,queue,env,FLUID_DISPATCHER_OVERRIDE_PRESSURECELL);
fluid_simulate(env);
fluid_solve_bounds(chunkCount,queue,env);
}
//test the result
float expected, actual;
//should be chunk at 0,0,1
Chunk * furtherX = queue[1];
rVal += assertEquals(furtherX->x,0,"Chunk is not at 0,0,1 x: %d \n");
rVal += assertEquals(furtherX->y,0,"Chunk is not at 0,0,1 y: %d \n");
rVal += assertEquals(furtherX->z,1,"Chunk is not at 0,0,1 z: %d \n");
//
// chunk in z direction should have density > 0 at 1,1,1
//
expected = MAX_FLUID_VALUE;
actual = furtherX->d[CENTER_LOC][IX(DIM-2,1,1)];
if(actual < FLUID_PRESSURE_CELL_ERROR_MARGIN){
printf("Failed to gain density at (DIM-2,1,1)! actual: %f \n", actual);
rVal++;
}
expected = MAX_FLUID_VALUE;
actual = furtherX->d[CENTER_LOC][IX(DIM-2,1,0)];
if(actual < FLUID_PRESSURE_CELL_ERROR_MARGIN){
printf("Failed to gain density at (DIM-2,1,0)! actual: %f \n", actual);
rVal++;
}
//
// origin chunk should have density > 0 at DIM-1,1,DIM-1
//
actual = currentChunk->d[CENTER_LOC][IX(DIM-2,1,DIM-2)];
if(actual < FLUID_PRESSURE_CELL_ERROR_MARGIN){
printf("Failed to retain density at (DIM-2,1,DIM-2)! actual: %f \n", actual);
rVal++;
}
return rVal;
}
/**
* Testing normalizing values
*/
int fluid_sim_pressurecell_border_transmission_test2(){
printf("fluid_sim_pressurecell_border_transmission_test2\n");
int rVal = 0;
Environment * env = fluid_environment_create();
Chunk ** queue = NULL;
queue = createChunkGrid(env,CHUNK_DIM,CHUNK_DIM,CHUNK_DIM);
int chunkCount = arrlen(queue);
//setup chunk values
float deltaDensity = 0.01f;
Chunk * currentChunk = queue[0];
currentChunk->d[CENTER_LOC][IX(DIM-2,1,DIM-2)] = 0.2;
//actually simulate
fluid_solve_bounds(chunkCount,queue,env);
//test the result
float expected, actual;
//should be chunk at 0,0,1
Chunk * furtherX = queue[1];
rVal += assertEquals(furtherX->x,0,"Chunk is not at 0,0,1 x: %d \n");
rVal += assertEquals(furtherX->y,0,"Chunk is not at 0,0,1 y: %d \n");
rVal += assertEquals(furtherX->z,1,"Chunk is not at 0,0,1 z: %d \n");
//
// chunk in z direction should have density > 0 at 1,1,1
//
expected = MAX_FLUID_VALUE;
actual = furtherX->d[CENTER_LOC][IX(DIM-2,1,0)];
if(actual <= MIN_FLUID_VALUE){
printf("Failed to gain density at (0,1,0)! actual: %f \n", actual);
rVal++;
}
//
// origin chunk should have density > 0 at DIM-1,1,DIM-1
//
actual = currentChunk->d[CENTER_LOC][IX(DIM-2,1,DIM-2)];
if(actual <= MIN_FLUID_VALUE){
printf("Failed to retain density at (DIM-2,1,DIM-2)! actual: %f \n", actual);
rVal++;
}
return rVal;
}
/**
* Testing transmitting density across borders
*/
int fluid_sim_pressurecell_border_transmission_tests(int argc, char **argv){
int rVal = 0;
rVal += fluid_sim_pressurecell_border_transmission_test1();
rVal += fluid_sim_pressurecell_border_transmission_test2();
return rVal;
}