cellular determinism verification

docs/src/progress/renderertodo.md

@@ -1268,6 +1268,8 @@ Cellular transfer behavior work
 Native math utils
 Frame tracking on native side
 Fix memory leak in client fluid data chunks
+Work on cellular sim determinism
+More cellular determinism verification
 
 
 # TODO

src/main/c/src/fluid/queue/boundsolver.c

@@ -8,7 +8,7 @@
 
 
 
-static inline void fluid_solve_bounds_checker(float ** arrays, int fillVal){
+static inline void fluid_solve_bounds_checker(float ** arrays, float fillVal){
     int i, j;
     int neighborIndex;
     //x+ face

src/test/c/fluid/sim/cellular/cellular_tests.c

@@ -204,6 +204,55 @@ int fluid_sim_cellular_stability_test1(){
     return rVal;
 }
 
+int fluid_sim_cellular_stability_test2(){
+    int rVal = 0;
+    printf("fluid_sim_cellular_stability_test2\n");
+
+    Environment * env = fluid_environment_create();
+
+    int chunkCount =  27;
+
+    Chunk ** queue = NULL;
+    for(int i = 0; i < chunkCount; i++){
+        arrput(queue,chunk_create(
+            fluid_sim_cellular_cellular_tests_kernelx[i],
+            fluid_sim_cellular_cellular_tests_kernely[i],
+            fluid_sim_cellular_cellular_tests_kernelz[i]
+        ));
+    }
+
+    //link neighbors
+    chunk_link_neighbors(queue);
+
+    //fill them with values
+    for(int i = 0; i < chunkCount; i++){
+        chunk_fill(queue[i],0);
+    }
+    
+    //fill the 13th chunk
+    chunk_fill(queue[13],CELLULAR_TEST_PLACE_VAL);
+
+    //check sum beforehand
+    float originalSum = chunk_queue_sum(queue);
+
+    //dispatch and simulate
+    int frameCount = 50;
+    for(int i = 0; i < frameCount; i++){
+        fluid_solve_bounds(chunkCount,queue,env);
+        fluid_dispatch(chunkCount,queue,env);
+        fluid_simulate(env);
+        env->state.frame++;
+    }
+
+    //check sum beforehand
+    float afterSum = chunk_queue_sum(queue);
+
+    rVal += assertEqualsFloat(originalSum,afterSum,"cellular sim was unstable! %f %f \n");
+
+    printf("\n");
+    return rVal;
+}
+
 
 int fluid_sim_cellular_cellular_tests(int argc, char **argv){
     int rVal = 0;
@@ -211,6 +260,7 @@ int fluid_sim_cellular_cellular_tests(int argc, char **argv){
     rVal += fluid_sim_cellular_bounds_test1();
     rVal += fluid_sim_cellular_bounds_test2();
     rVal += fluid_sim_cellular_stability_test1();
+    rVal += fluid_sim_cellular_stability_test2();
 
     return rVal;
 }

src/test/c/util/chunk_test_utils.c

@@ -81,7 +81,7 @@ void chunk_free_queue(Chunk ** chunks){
  * @param chunk The chunk to fill
  * @param val The value to fill
  */
-void chunk_fill(Chunk * chunk, int val){
+void chunk_fill(Chunk * chunk, float val){
     for(int i = 0; i < DIM*DIM*DIM; i++){
         chunk->d[CENTER_LOC][i] = val;
         chunk->d0[CENTER_LOC][i] = val;
@@ -219,8 +219,8 @@ void chunk_link_neighbors(Chunk ** chunks){
  */
 float chunk_queue_sum(Chunk ** chunks){
     float sum = 0;
-    int num = arrlen(chunks);
-    for(int i = 0; i < num; i++){
+    int chunkCount = arrlen(chunks);
+    for(int i = 0; i < chunkCount; i++){
         Chunk * current = chunks[i];
         for(int x = 1; x < DIM - 2; x++){
             for(int y = 1; y < DIM - 2; y++){

src/test/c/util/chunk_test_utils.h

@@ -76,7 +76,7 @@ Chunk ** chunk_create_queue(int size);
  * @param chunk The chunk to fill
  * @param val The value to fill
  */
-void chunk_fill(Chunk * chunk, int val);
+void chunk_fill(Chunk * chunk, float val);
 
 /**
  * Frees a chunk queue