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    Delphi Error – W1066 Lost Extended floating point precision. Reduced to Double

    admin November 17, 2022 No Comments

    Delphi Compiler Error

    W1066 Lost Extended floating point precision. Reduced to Double

    Reason for the Error & Solution

    Extended precision floating-point operations are supported by for 32-bit platforms, but are not supported by Delphi compilers for 64-bit platforms.

    In Delphi compilers for 64-bit platforms, the precision of floating-point computations was reduced from extended (10-byte values) to double (8-byte values). We do not recommend using extended precision floating-point values. The Intel x86 architecture supports 10-byte real data types, but the trend of new processor architectures is to perform floating-point computations in parallel and with at most double precision (see the Intel® Streaming SIMD Extensions).

    For reading extended precision floating-point numbers from a file, see .

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