How can I make an alias to a standard library function?

Asked Mar 27 '21 at 04:42

Active Mar 27 '21 at 04:42

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I'm trying to make an alias to the standard library function fmaf with the alias attribute.

#include <math.h>
float float_fma(float x, float y, float z) __attribute__((alias("fmaf")));
int main() {
   float_fma(0,0,0);
   return 0;
}

I'm getting error "undefined symbol 'fmaf'".

<source>:2:11: error: 'float_fma' aliased to undefined symbol 'fmaf'
    2 |     float float_fma(float x, float y, float z) __attribute__((alias("fmaf")));
      |       
^~~~~~~~~

How can I make an alias to fmaf ?

asked Mar 27 '21 at 04:42

aganm

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Do you get any errors or warnings when using `fmaf()` directly? – Shawn Mar 27 '21 at 05:46
Does this answer your question? [How I can make alias on external defined function in C?](https://stackoverflow.com/questions/48660176/how-i-can-make-alias-on-external-defined-function-in-c) – mediocrevegetable1 Mar 27 '21 at 06:04
What do you try to accomplish? – the busybee Mar 27 '21 at 08:46

How can I make an alias to a standard library function?

0 Answers0