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some tWaveS fixes

--- a/leaf/Src/leaf-oscillators.c

+++ b/leaf/Src/leaf-oscillators.c

@@ -1843,7 +1843,7 @@

         // Do several passes here to prevent errors at the beginning of the waveform

         // Not sure how many passes to do, seem to need more as the filter cutoff goes down

         // 12 might be excessive but seems to work for now.

-        for (int p = 0; p < 12; ++p)

+        for (int p = 0; p < 4; ++p)

         {

             for (int i = 0; i < c->size; ++i)

             {

@@ -2155,8 +2155,9 @@

     // Allocate memory for the tables

     c->tables = (float**) mpool_alloc(sizeof(float*) * c->numTables, c->mempool);

     c->sizes = (int*) mpool_alloc(sizeof(int) * c->numTables, c->mempool);

+    c->sizeMasks = (int*) mpool_alloc(sizeof(int) * c->numTables, c->mempool);

     c->sizes[0] = size;

-    c->sizeMasks[0] = (size - 1);

+    c->sizeMasks[0] = (c->sizes[0] - 1);

     c->baseTable = (float*) mpool_alloc(sizeof(float) * c->sizes[0], c->mempool);

     c->tables[0] = c->baseTable;

     for (int t = 1; t < c->numTables; ++t)

@@ -2220,6 +2221,7 @@

     }

     mpool_free((char*)c->tables, c->mempool);

     mpool_free((char*)c->sizes, c->mempool);

+    mpool_free((char*)c->sizeMasks, c->mempool);

     mpool_free((char*)c, c->mempool);

 }

@@ -2235,6 +2237,7 @@

     }

     mpool_free((char*)c->tables, c->mempool);

     mpool_free((char*)c->sizes, c->mempool);

+    mpool_free((char*)c->sizeMasks, c->mempool);

     c->sampleRate = sr;

@@ -2256,9 +2259,11 @@

     c->sizes = (int*) mpool_alloc(sizeof(int) * c->numTables, c->mempool);

     c->tables[0] = c->baseTable;

     c->sizes[0] = size;

+    c->sizeMasks[0] = (c->sizes[0] - 1);

     for (int t = 1; t < c->numTables; ++t)

     {

         c->sizes[t] = c->sizes[t-1] / 2;

+        c->sizeMasks[t] = (c->sizes[t] - 1);

         c->tables[t] = (float*) mpool_alloc(sizeof(float) * c->sizes[t], c->mempool);

     }