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  /src/lib/libm/noieee_src/
n_atan2.c 32 static char sccsid[] = "@(#)atan2.c 8.1 (Berkeley) 6/4/93";
35 /* ATAN2(Y,X)
47 * 1. Reduce y to positive by atan2(y,x)=-atan2(-y,x).
62 * Notations: atan2(y,x) == ARG (x+iy) == ARG(x,y).
76 * atan2(y,x) returns (PI/pi) * the exact ARG (x+iy) nearly rounded,
174 __weak_alias(_atan2l, atan2);
178 atan2(double y, double x) function in typeref:typename:double
  /src/include/
tgmath.h 149 #define atan2(a,b) __TG_FN2(atan2, (a), (b)) macro
  /src/lib/libm/src/
namespace.h 12 #define atan2 _atan2 macro

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