diff --git a/include/fmt/format.h b/include/fmt/format.h index 1c3ea935..c93d85ac 100644 --- a/include/fmt/format.h +++ b/include/fmt/format.h @@ -3163,20 +3163,24 @@ constexpr auto fractional_part_rounding_thresholds(int index) -> uint32_t { // translation units. We take the following uint32 array definition: // {0x9999999au, 0x828f5c29u, 0x80418938u, 0x80068db9, // 0x8000a7c6u, 0x800010c7u, 0x800001aeu, 0x8000002bu}; - // and convert that into a series of char hexidecimal literals in a char array: - // "\x99\x99\x99\x9a \x82\x8f\x5c\x29 \x80\x41\x89\x38 \x80\x06\x8d\xb9 - // \x80\x00\xa7\xc6 \x80\x00\x10\xc7 \x80\x00\x01\xae \x80\x00\x00\x2b" + // and convert that into a series of char hexidecimal literals in a char + // array: + // "\x99\x99\x99\x9a \x82\x8f\x5c\x29 \x80\x41\x89\x38 \x80\x06\x8d\xb9 + // \x80\x00\xa7\xc6 \x80\x00\x10\xc7 \x80\x00\x01\xae \x80\x00\x00\x2b" // Then we split this up into four separate arrays of bytes, so the bytes can // be properly recombined into endian-correct uint32_t. + const uint32_t byte_3 = + static_cast("\x99\x82\x80\x80\x80\x80\x80\x80"[index]); + const uint32_t byte_2 = + static_cast("\x99\x8f\x41\x06\x00\x00\x00\x00"[index]); + const uint32_t byte_1 = + static_cast("\x99\x5c\x89\x8d\xa7\x10\x01\x00"[index]); + const uint32_t byte_0 = + static_cast("\x9a\x29\x38\xb9\xc6\xc7\xae\x2b"[index]); - uint32_t byte_3 = static_cast("\x99\x82\x80\x80\x80\x80\x80\x80"[index]); - uint32_t byte_2 = static_cast("\x99\x8f\x41\x06\x00\x00\x00\x00"[index]); - uint32_t byte_1 = static_cast("\x99\x5c\x89\x8d\xa7\x10\x01\x00"[index]); - uint32_t byte_0 = static_cast("\x9a\x29\x38\xb9\xc6\xc7\xae\x2b"[index]); - - //recombine as uint32, this should eliminate endian issues, as now we are shifting - //bytes as uint32 which should match platform endian. + // recombine as uint32, this should eliminate endian issues, as now we are + // shifting bytes as uint32 which should match platform endian. return byte_3 << 24u | byte_2 << 16u | byte_1 << 8u | byte_0; }