From 841ec959e557c009d6192c965eaa1e1a8305b3e2 Mon Sep 17 00:00:00 2001
From: Gael Guennebaud <g.gael@free.fr>
Date: Fri, 31 Jul 2009 10:08:23 +0200
Subject: [PATCH] s/std::atan2/ei_atan2

---
 Eigen/src/Core/MathFunctions.h   | 10 +++++-----
 Eigen/src/Geometry/EulerAngles.h | 16 ++++++++--------
 2 files changed, 13 insertions(+), 13 deletions(-)

diff --git a/Eigen/src/Core/MathFunctions.h b/Eigen/src/Core/MathFunctions.h
index 54319db96..1ee64af02 100644
--- a/Eigen/src/Core/MathFunctions.h
+++ b/Eigen/src/Core/MathFunctions.h
@@ -102,7 +102,7 @@ inline float ei_exp(float x)   { return std::exp(x); }
 inline float ei_log(float x)   { return std::log(x); }
 inline float ei_sin(float x)   { return std::sin(x); }
 inline float ei_cos(float x)   { return std::cos(x); }
-inline float ei_atan2( float y, float x ) { return std::atan2(y,x); }
+inline float ei_atan2(float y, float x) { return std::atan2(y,x); }
 inline float ei_pow(float x, float y)  { return std::pow(x, y); }
 
 template<> inline float ei_random(float a, float b)
@@ -150,7 +150,7 @@ inline double ei_exp(double x)   { return std::exp(x); }
 inline double ei_log(double x)   { return std::log(x); }
 inline double ei_sin(double x)   { return std::sin(x); }
 inline double ei_cos(double x)   { return std::cos(x); }
-inline double ei_atan2( double y, double x ) { return std::atan2(y,x); }
+inline double ei_atan2(double y, double x) { return std::atan2(y,x); }
 inline double ei_pow(double x, double y) { return std::pow(x, y); }
 
 template<> inline double ei_random(double a, double b)
@@ -195,7 +195,7 @@ inline float ei_abs2(const std::complex<float>& x) { return std::norm(x); }
 inline std::complex<float> ei_exp(std::complex<float> x)  { return std::exp(x); }
 inline std::complex<float> ei_sin(std::complex<float> x)  { return std::sin(x); }
 inline std::complex<float> ei_cos(std::complex<float> x)  { return std::cos(x); }
-inline std::complex<float> ei_atan2(std::complex<float> , std::complex<float> )  { ei_assert(false); return 0; }
+inline std::complex<float> ei_atan2(std::complex<float>, std::complex<float> )  { ei_assert(false); return 0; }
 
 template<> inline std::complex<float> ei_random()
 {
@@ -230,7 +230,7 @@ inline double ei_abs2(const std::complex<double>& x) { return std::norm(x); }
 inline std::complex<double> ei_exp(std::complex<double> x)  { return std::exp(x); }
 inline std::complex<double> ei_sin(std::complex<double> x)  { return std::sin(x); }
 inline std::complex<double> ei_cos(std::complex<double> x)  { return std::cos(x); }
-inline std::complex<double> ei_atan2(std::complex<double> , std::complex<double> )  { ei_assert(false); return 0; }
+inline std::complex<double> ei_atan2(std::complex<double>, std::complex<double>)  { ei_assert(false); return 0; }
 
 template<> inline std::complex<double> ei_random()
 {
@@ -268,7 +268,7 @@ inline long double ei_exp(long double x)   { return std::exp(x); }
 inline long double ei_log(long double x)   { return std::log(x); }
 inline long double ei_sin(long double x)   { return std::sin(x); }
 inline long double ei_cos(long double x)   { return std::cos(x); }
-inline long double ei_atan2( long double y, long double x ) { return std::atan2(y,x); }
+inline long double ei_atan2(long double y, long double x) { return std::atan2(y,x); }
 inline long double ei_pow(long double x, long double y)  { return std::pow(x, y); }
 
 template<> inline long double ei_random(long double a, long double b)
diff --git a/Eigen/src/Geometry/EulerAngles.h b/Eigen/src/Geometry/EulerAngles.h
index 12c2cb7bb..204118ac9 100644
--- a/Eigen/src/Geometry/EulerAngles.h
+++ b/Eigen/src/Geometry/EulerAngles.h
@@ -60,31 +60,31 @@ MatrixBase<Derived>::eulerAngles(int a0, int a1, int a2) const
   if (a0==a2)
   {
     Scalar s = Vector2(coeff(j,i) , coeff(k,i)).norm();
-    res[1] = std::atan2(s, coeff(i,i));
+    res[1] = ei_atan2(s, coeff(i,i));
     if (s > epsilon)
     {
-      res[0] = std::atan2(coeff(j,i), coeff(k,i));
-      res[2] = std::atan2(coeff(i,j),-coeff(i,k));
+      res[0] = ei_atan2(coeff(j,i), coeff(k,i));
+      res[2] = ei_atan2(coeff(i,j),-coeff(i,k));
     }
     else
     {
       res[0] = Scalar(0);
-      res[2] = (coeff(i,i)>0?1:-1)*std::atan2(-coeff(k,j), coeff(j,j));
+      res[2] = (coeff(i,i)>0?1:-1)*ei_atan2(-coeff(k,j), coeff(j,j));
     }
   }
   else
   {
     Scalar c = Vector2(coeff(i,i) , coeff(i,j)).norm();
-    res[1] = std::atan2(-coeff(i,k), c);
+    res[1] = ei_atan2(-coeff(i,k), c);
     if (c > epsilon)
     {
-      res[0] = std::atan2(coeff(j,k), coeff(k,k));
-      res[2] = std::atan2(coeff(i,j), coeff(i,i));
+      res[0] = ei_atan2(coeff(j,k), coeff(k,k));
+      res[2] = ei_atan2(coeff(i,j), coeff(i,i));
     }
     else
     {
       res[0] = Scalar(0);
-      res[2] = (coeff(i,k)>0?1:-1)*std::atan2(-coeff(k,j), coeff(j,j));
+      res[2] = (coeff(i,k)>0?1:-1)*ei_atan2(-coeff(k,j), coeff(j,j));
     }
   }
   if (!odd)