A bug fix.

Author: aous72

src/core/transform/ojph_colour_wasm.cpp

@@ -411,7 +411,7 @@ namespace ojph {
             c = wasm_v128_andnot(t, c);           // keep only +ve or 0
             t = wasm_v128_or(neg, c);             // combine
           }
-          v128_t v = wasm_f32x4_convert_i32x4(u);
+          v128_t v = wasm_f32x4_convert_i32x4(t);
           v = wasm_f32x4_mul(v, mul);
           wasm_v128_store(dp, v);
         }
@@ -421,8 +421,8 @@ namespace ojph {
         v128_t half = wasm_i32x4_splat((si32)(1ULL << (bit_depth - 1)));
         for (int i = (int)width; i > 0; i -= 4, sp += 4, dp += 4) {
           v128_t t = wasm_v128_load(sp);
-          u = wasm_i32x4_sub(u, half);
-          v128_t v = wasm_f32x4_convert_i32x4(u);
+          t = wasm_i32x4_sub(t, half);
+          v128_t v = wasm_f32x4_convert_i32x4(t);
           v = wasm_f32x4_mul(v, mul);
           wasm_v128_store(dp, v);
         }

tests/mse_pae.cpp

@@ -358,7 +358,6 @@ void load_rawl(const char *filename, img_info& img)
   strncpy(name_buf, filename, (size_t)cpy_len);
   name_buf[cpy_len] = 0;
 
-  size_t w = calc_aligned_size<si32, byte_alignment>(s.w);
   if (num_comps == 3)
     img.init(num_comps, s.w, s.h, bit_depth, is_signed, FORMAT444);
   else
@@ -588,7 +587,7 @@ void find_nlt_mse_pae(const img_info& img1, const img_info& img2,
           si32 b = *p1++;
           a = (a >= 0) ? a : (- a - bias);
           b = (b >= 0) ? b : (- b - bias);
-          ui32 err = a > b ? a - b : b - a;
+          ui32 err = (ui32)(a > b ? a - b : b - a);
           lpae = err > lpae ? err : lpae;
           se += (double)err * (double)err;
         }