fix the fail found by Paul

src/binary32/atan2pi/atan2pif.c

@@ -114,7 +114,7 @@ float cr_atan2pif(float y, float x){
   double r = cn0/cd0;
   r = z*r + off[i];
   b64u64_u res = {.f = r};
-  if(__builtin_expect(((res.u + 8)&0xfffffff) <= 16, 0)){
+  if(__builtin_expect(res.u > 0x36a0000000000000 && ((res.u + 8)&0xfffffff) <= 16, 0)){
     if(ax==ay) {
       static const double off2[] = {0.25f, 0.75f, -0.25f, -0.75f};
       r = off2[(uy>>31)*2 + (ux>>31)];