log2.c « mingwex « mingw « winsup - cygwin.com/git/newlib-cygwin.git - Unnamed repository; edit this file 'description' to name the repository.

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log2.c « mingwex « mingw « winsup - cygwin.com/git/newlib-cygwin.git - Unnamed repository; edit this file 'description' to name the repository.

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#include <math.h>
double
log2 (double _x)
{
  double retval;
  __asm__ ("fyl2x;" : "=t" (retval) : "0" (_x), "u" (1.0L) : "st(1)");
  return retval;
}