Shulou(Shulou.com)06/02 Report--

This article introduces the reasons for avoiding type conversion in C++. The content is very detailed. Interested friends can use it for reference. I hope it will be helpful to you.

Reason (reason)

Casts are a well-known source of errors. Make some optimizations unreliable.

Type conversion is one of the well-known sources of errors. It is impossible for some optimization to be carried out reliably.

Example, bad (negative example)

Double d = 2

Auto p = (long*) & d

Auto Q = (long long*) & d

Cout

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