That’s safe, although I agree with Quincey that you should use ‘const’.
However, this seems like overkill. Why not just declare a static const float
array inside your source file and use that?
I forgot to mention another useful C array trick. If you have a fixed-size
array and want to treat it as pass-by-value, i.e. copying it when passing as a
parameter or returning it, just wrap it in a struct. I use this idiom pretty
often, for example:
typedef struct {
uint8_t bytes[20];
} SHA1Digest;
—Jens
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