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@@ -71,7 +71,7 @@ __ieee754_atan2(double y, double x)
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if(((ix|((lx|-lx)>>31))>0x7ff00000)||
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((iy|((ly|-ly)>>31))>0x7ff00000)) /* x or y is NaN */
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return x+y;
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- if(((hx-0x3ff00000)|lx)==0) return atan(y); /* x=1.0 */
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+ if(hx==0x3ff00000&&lx==0) return atan(y); /* x=1.0 */
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m = ((hy>>31)&1)|((hx>>30)&2); /* 2*sign(x)+sign(y) */
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/* when y = 0 */
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