QPR-12140 better type (?) still attempting to fix gcc

Author: pcaspers

ql/math/randomnumbers/burley2020sobolrsg.cpp

@@ -53,23 +53,26 @@ namespace QuantLib {
 
         // for reverseBits() see http://graphics.stanford.edu/~seander/bithacks.html#BitReverseTable
 
-        static const unsigned char bitReverseTable[] = {
-            0,  128, 64, 192, 32, 160, 96,  224, 16, 144, 80, 208, 48, 176, 112, 240,
-            8,  136, 72, 200, 40, 168, 104, 232, 24, 152, 88, 216, 56, 184, 120, 248,
-            4,  132, 68, 196, 36, 164, 100, 228, 20, 148, 84, 212, 52, 180, 116, 244,
-            12, 140, 76, 204, 44, 172, 108, 236, 28, 156, 92, 220, 60, 188, 124, 252,
-            2,  130, 66, 194, 34, 162, 98,  226, 18, 146, 82, 210, 50, 178, 114, 242,
-            10, 138, 74, 202, 42, 170, 106, 234, 26, 154, 90, 218, 58, 186, 122, 250,
-            6,  134, 70, 198, 38, 166, 102, 230, 22, 150, 86, 214, 54, 182, 118, 246,
-            14, 142, 78, 206, 46, 174, 110, 238, 30, 158, 94, 222, 62, 190, 126, 254,
-            1,  129, 65, 193, 33, 161, 97,  225, 17, 145, 81, 209, 49, 177, 113, 241,
-            9,  137, 73, 201, 41, 169, 105, 233, 25, 153, 89, 217, 57, 185, 121, 249,
-            5,  133, 69, 197, 37, 165, 101, 229, 21, 149, 85, 213, 53, 181, 117, 245,
-            13, 141, 77, 205, 45, 173, 109, 237, 29, 157, 93, 221, 61, 189, 125, 253,
-            3,  131, 67, 195, 35, 163, 99,  227, 19, 147, 83, 211, 51, 179, 115, 243,
-            11, 139, 75, 203, 43, 171, 107, 235, 27, 155, 91, 219, 59, 187, 123, 251,
-            7,  135, 71, 199, 39, 167, 103, 231, 23, 151, 87, 215, 55, 183, 119, 247,
-            15, 143, 79, 207, 47, 175, 111, 239, 31, 159, 95, 223, 63, 191, 127, 255};
+        static const std::uint_8 bitReverseTable[] = {
+            0u,   128u, 64u,  192u, 32u,  160u, 96u,  224u, 16u,  144u, 80u,  208u, 48u,  176u,
+            112u, 240u, 8u,   136u, 72u,  200u, 40u,  168u, 104u, 232u, 24u,  152u, 88u,  216u,
+            56u,  184u, 120u, 248u, 4u,   132u, 68u,  196u, 36u,  164u, 100u, 228u, 20u,  148u,
+            84u,  212u, 52u,  180u, 116u, 244u, 12u,  140u, 76u,  204u, 44u,  172u, 108u, 236u,
+            28u,  156u, 92u,  220u, 60u,  188u, 124u, 252u, 2u,   130u, 66u,  194u, 34u,  162u,
+            98u,  226u, 18u,  146u, 82u,  210u, 50u,  178u, 114u, 242u, 10u,  138u, 74u,  202u,
+            42u,  170u, 106u, 234u, 26u,  154u, 90u,  218u, 58u,  186u, 122u, 250u, 6u,   134u,
+            70u,  198u, 38u,  166u, 102u, 230u, 22u,  150u, 86u,  214u, 54u,  182u, 118u, 246u,
+            14u,  142u, 78u,  206u, 46u,  174u, 110u, 238u, 30u,  158u, 94u,  222u, 62u,  190u,
+            126u, 254u, 1u,   129u, 65u,  193u, 33u,  161u, 97u,  225u, 17u,  145u, 81u,  209u,
+            49u,  177u, 113u, 241u, 9u,   137u, 73u,  201u, 41u,  169u, 105u, 233u, 25u,  153u,
+            89u,  217u, 57u,  185u, 121u, 249u, 5u,   133u, 69u,  197u, 37u,  165u, 101u, 229u,
+            21u,  149u, 85u,  213u, 53u,  181u, 117u, 245u, 13u,  141u, 77u,  205u, 45u,  173u,
+            109u, 237u, 29u,  157u, 93u,  221u, 61u,  189u, 125u, 253u, 3u,   131u, 67u,  195u,
+            35u,  163u, 99u,  227u, 19u,  147u, 83u,  211u, 51u,  179u, 115u, 243u, 11u,  139u,
+            75u,  203u, 43u,  171u, 107u, 235u, 27u,  155u, 91u,  219u, 59u,  187u, 123u, 251u,
+            7u,   135u, 71u,  199u, 39u,  167u, 103u, 231u, 23u,  151u, 87u,  215u, 55u,  183u,
+            119u, 247u, 15u,  143u, 79u,  207u, 47u,  175u, 111u, 239u, 31u,  159u, 95u,  223u,
+            63u,  191u, 127u, 255u};
 
         std::uint32_t reverseBits(std::uint32_t x) {
             return (bitReverseTable[x & 0xff] << 24) | (bitReverseTable[(x >> 8) & 0xff] << 16) |