On an old version of the Windows operating system that does not support AVX state saving (for example, Windows Vista) if it's used on a computer that supports the AVX instruction set This problem is most likely to occur in the following scenarios: Affected functions include log, log10, and pow, and others. If the instructions are not available for use, calls to these functions cause an illegal instruction exception (0xc000001d). This occurs because some floating-point math library functions in the Visual C++ 2013 圆4 C Runtime (CRT) do not correctly check whether certain AVX and FMA3 instructions are available before the functions try to use them. When you build a program by using Microsoft Visual C++ 2013, the program crashes and you receive an "Illegal Instruction" exception.
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