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Asked: 2026-06-09T06:35:54+00:00

I’m seeing code allocating memory for float using sizeof(int) . I’m wondering whether sizeof(float)

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I’m seeing code allocating memory for float using sizeof(int).
I’m wondering whether sizeof(float) always equal to sizeof(int) on all architectures? 

float *pointer2Float = (float *) USER_DEFINED_MALLOC (...,..., sizeof(int))

Note: this USER_DEFINED_MALLOC isa wrapper for conventional malloc, I think.

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1 Answer

  1. Editorial Team

    No, there are implementations (mainly embedded systems) with 16-bit int and 32-bit float.

    And of course, the sizes are allowed to be quite different per the standard.

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