Bitwise negation on double throws error

Asked Sep 05 '17 at 06:23

Active Sep 05 '17 at 06:23

Viewed 44 times

Its late night and Im little embarrased to ask:

Why bitwise negation on double type throws error?

I understand how double-precision floating point is stored in memory, but I sure am missing something...

double left = 1;
double nLeft = ~(left);

error: invalid argument type 'double' to unary expression
  double nLeft = ~(left);
                 ^~~~~~~

asked Sep 05 '17 at 06:23

JamesWebbTelescopeAlien

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What do you think "bitwise negation" of a **double** would do? Turn -1 into 0? No, it won't. – Rudy Velthuis Sep 05 '17 at 08:27
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The somewhat pedantic answer is that bitwise operations apply to integral types, and `double` is not an integral type. – Pete Becker Sep 05 '17 at 12:49

Bitwise negation on double throws error

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