[PATCH] Fix remainder calculating bug in single floating point division

[Liu Yu]

> 
> can you provide the test case that shows the error.
> 

It seems that math-emu only be used for MPC8xx on current kernel.

---
#include <stdio.h>
#include <math.h>
#include <bits/nan.h>
#include <bits/inf.h>

void
fdiv(float f, float f1, float expected)
{
    float f2;

    f2 = f / f1;

    printf("fdiv %e / %e = %e expected %e %s \n", f, f1, f2, expected,
               (f2 == expected) ? "(PASS)" : "(FAIL)");
}
 
int
main(void)
{
	fdiv(1.1754941e-38f, 0.9999999f, 1.1754942e-38f);
}