Issue #655: Remove three unused variables in src

src/numafunc2.c

@@ -1739,7 +1739,7 @@ numaDiscretizeHistoInBins(NUMA    *na,
 {
 NUMA      *nabinval;  /* average gray value in the bins */
 NUMA      *naeach, *nan;
-l_int32    i, j, k, nxvals, occup, count, bincount, binindex, binsize;
+l_int32    i, j, nxvals, occup, count, bincount, binindex, binsize;
 l_float32  sum, ave, ntot;
 
     if (pnarank) *pnarank = NULL;
@@ -1766,11 +1766,9 @@ l_float32  sum, ave, ntot;
     binindex = 0;
     numaGetIValue(naeach, 0, &binsize);
     nabinval = numaCreate(nbins);
-    k = 0;  /* count up to ntot */
     for (i = 0; i < nxvals; i++) {
         numaGetIValue(na, i, &count);
         for (j = 0; j < count; j++) {
-            k++;
             bincount++;
             sum += i;
             if (bincount == binsize) {  /* add bin entry */

src/pix4.c

@@ -2649,7 +2649,7 @@ pixGetBinnedColor(PIX        *pixs,
                   l_uint32  **pcarray,
                   PIXA       *pixadb)
 {
-l_int32     i, j, k, w, h, wpls, wplg;
+l_int32     i, j, w, h, wpls, wplg;
 l_int32     count, bincount, binindex, binsize, npts, avepts, ntot;
 l_int32     rval, gval, bval, grayval, rave, gave, bave;
 l_uint32   *datas, *datag, *lines, *lineg, *carray;
@@ -2734,11 +2734,9 @@ PIX        *pix1;
     bincount = 0;
     binindex = 0;
     numaGetIValue(naeach, 0, &binsize);
-    k = 0;  /* count up to ntot */
     for (i = 0; i < 256; i++) {
         count = l_dnaaGetDnaCount(daa, i);
         for (j = 0; j < count; j++) {
-            k++;
             bincount++;
             l_dnaaGetValue(daa, i, j, &val64);
             extractRGBValues((l_uint32)val64, &rval, &gval, &bval);

src/pixafunc2.c

@@ -344,7 +344,7 @@ pixaDisplayLinearly(PIXA      *pixas,
                     l_int32    border,
                     BOXA     **pboxa)
 {
-l_int32  i, n, x, y, w, h, size, depth, bordval;
+l_int32  i, n, x, y, w, h, depth, bordval;
 BOX     *box;
 PIX     *pix1, *pix2, *pix3, *pixd;
 PIXA    *pixa1, *pixa2;
@@ -363,7 +363,6 @@ PIXA    *pixa1, *pixa2;
     n = pixaGetCount(pixa1);
     pixa2 = pixaCreate(n);
     bordval = (depth == 1) ? 1 : 0;
-    size = (n - 1) * spacing;
     x = y = 0;
     for (i = 0; i < n; i++) {
         if ((pix1 = pixaGetPix(pixa1, i, L_CLONE)) == NULL) {
@@ -382,13 +381,10 @@ PIXA    *pixa1, *pixa2;
 
         pixGetDimensions(pix3, &w, &h, NULL);
         box = boxCreate(x, y, w, h);
-        if (direction == L_HORIZ) {
-            size += w;
+        if (direction == L_HORIZ)
             x += w + spacing;
-        } else {  /* vertical */
-            size += h;
+        else  /* vertical */
             y += h + spacing;
-        }
         pixaAddPix(pixa2, pix3, L_INSERT);
         pixaAddBox(pixa2, box, L_INSERT);
         pixDestroy(&pix1);