Remove redundant interpolation

src/lamino_bp_generic.cl

@@ -51,19 +51,6 @@ lamino_bp_generic (global float *proj,
     const float oldx = newx * param->mat_0 + newy * param->mat_1 + newz * param->mat_2 + param->proj_ox;
     const float oldy = newx * param->mat_3 + newy * param->mat_4 + newz * param->mat_5 + param->proj_oy;
 
-    /* bilinear interpolation */
-    const float yf_1 = oldy - floor(oldy);
-    const float yf_0 = 1.0f - yf_1;
-    const float xf_1 = oldx - floor(oldx);
-    const float xf_0 = 1.0f  - xf_1;
-    const int base = ((int) floor(oldx)) + ((int) floor(oldy)) * param->proj_sx;
-    float result;
-
-    /* TODO: check that out of proj plain */
-    result  = proj[base    ] * xf_0 * yf_0;
-    result += proj[base + 1] * xf_1 * yf_0;
-    result += proj[base + param->proj_sx    ] * xf_0 * yf_1;
-    result += proj[base + param->proj_sx + 1] * xf_1 * yf_1;
     volume[idx] += interpolate (proj, param, oldx, oldy);
 }