From d93ba137f2cc69f3b544c5aa7ecc37651a7bc219 Mon Sep 17 00:00:00 2001
From: Gael Guennebaud <g.gael@free.fr>
Date: Wed, 10 Jun 2015 17:12:10 +0200
Subject: Introduce EIGEN_PI, get rid of M_PI and acos(-1.0)

---
 test/geo_quaternion.cpp | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

(limited to 'test/geo_quaternion.cpp')

diff --git a/test/geo_quaternion.cpp b/test/geo_quaternion.cpp
index de0f2aeda..7d56c119c 100644
--- a/test/geo_quaternion.cpp
+++ b/test/geo_quaternion.cpp
@@ -30,8 +30,8 @@ template<typename QuatType> void check_slerp(const QuatType& q0, const QuatType&
   Scalar largeEps = test_precision<Scalar>();
 
   Scalar theta_tot = AA(q1*q0.inverse()).angle();
-  if(theta_tot>M_PI)
-    theta_tot = Scalar(2.*M_PI)-theta_tot;
+  if(theta_tot>EIGEN_PI)
+    theta_tot = Scalar(2.*EIGEN_PI)-theta_tot;
   for(Scalar t=0; t<=Scalar(1.001); t+=Scalar(0.1))
   {
     QuatType q = q0.slerp(t,q1);
@@ -64,8 +64,8 @@ template<typename Scalar, int Options> void quaternion(void)
           v2 = Vector3::Random(),
           v3 = Vector3::Random();
 
-  Scalar  a = internal::random<Scalar>(-Scalar(M_PI), Scalar(M_PI)),
-          b = internal::random<Scalar>(-Scalar(M_PI), Scalar(M_PI));
+  Scalar  a = internal::random<Scalar>(-Scalar(EIGEN_PI), Scalar(EIGEN_PI)),
+          b = internal::random<Scalar>(-Scalar(EIGEN_PI), Scalar(EIGEN_PI));
 
   // Quaternion: Identity(), setIdentity();
   Quaternionx q1, q2;
@@ -82,8 +82,8 @@ template<typename Scalar, int Options> void quaternion(void)
 
   // angular distance
   Scalar refangle = abs(AngleAxisx(q1.inverse()*q2).angle());
-  if (refangle>Scalar(M_PI))
-    refangle = Scalar(2)*Scalar(M_PI) - refangle;
+  if (refangle>Scalar(EIGEN_PI))
+    refangle = Scalar(2)*Scalar(EIGEN_PI) - refangle;
 
   if((q1.coeffs()-q2.coeffs()).norm() > 10*largeEps)
   {
@@ -156,7 +156,7 @@ template<typename Scalar, int Options> void quaternion(void)
   check_slerp(q1,q2);
 
   q1 = AngleAxisx(b, v1.normalized());
-  q2 = AngleAxisx(b+Scalar(M_PI), v1.normalized());
+  q2 = AngleAxisx(b+Scalar(EIGEN_PI), v1.normalized());
   check_slerp(q1,q2);
 
   q1 = AngleAxisx(b,  v1.normalized());
@@ -179,7 +179,7 @@ template<typename Scalar> void mapQuaternion(void){
   
   Vector3 v0 = Vector3::Random(),
           v1 = Vector3::Random();
-  Scalar  a = internal::random<Scalar>(-Scalar(M_PI), Scalar(M_PI));
+  Scalar  a = internal::random<Scalar>(-Scalar(EIGEN_PI), Scalar(EIGEN_PI));
 
   EIGEN_ALIGN_DEFAULT Scalar array1[4];
   EIGEN_ALIGN_DEFAULT Scalar array2[4];
-- 
cgit v1.2.3