RE: [PATCH 8/8] Fix num2str() output when modulo != -1U

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> -----Original Message-----
> From: fio-owner@xxxxxxxxxxxxxxx [mailto:fio-owner@xxxxxxxxxxxxxxx] On
> Behalf Of kusumi.tomohiro@xxxxxxxxx
> Sent: Tuesday, April 4, 2017 3:22 PM
> Subject: [PATCH 8/8] Fix num2str() output when modulo != -1U
...
> @@ -62,6 +62,9 @@ char *num2str(uint64_t num, int maxlen, int base, int
> pow2, int units)
>  		break;
...
> +	sprintf(fmt, "%%.%df", (int)(maxlen - strlen(tmp) - 1));
> +	sprintf(tmp, fmt, (double)modulo / (double)thousand[!!pow2]);

I suspect one of the goals of that function was to restrict itself
to integer math and avoid invoking the floating point unit (which
might not even exist on some CPUs).

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