commit 83e5b7656b6e3d68539584baf703ad30e96fa0de
author Deanna Hood <deanna.m.hood@gmail.com> Sun Mar 22 06:04:31 2015 +1000
committer Deanna Hood <deanna.m.hood@gmail.com> Sun Mar 22 06:04:31 2015 +1000
tree 1830092438a590097bf3e9958f3aff0c15af855e
parent 4bab4790c0b0fd12d1ef1f5e200962e59d49552c

Use M_PI instead of acos(-1) for pi

test/array.cpp

diff --git a/test/array.cpp b/test/array.cpp
index 0208ba7..efccd2b 100644
--- a/test/array.cpp
+++ b/test/array.cpp
@@ -237,7 +237,7 @@
   VERIFY_IS_APPROX(sinh(m1), 0.5*(exp(m1)-exp(-m1)));
   VERIFY_IS_APPROX(cosh(m1), 0.5*(exp(m1)+exp(-m1)));
   VERIFY_IS_APPROX(tanh(m1), (0.5*(exp(m1)-exp(-m1)))/(0.5*(exp(m1)+exp(-m1))));
-  VERIFY_IS_APPROX(arg(m1), ((ArrayType)(m1<0))*std::acos(-1.0));
+  VERIFY_IS_APPROX(arg(m1), ((ArrayType)(m1<0))*M_PI);
   VERIFY((round(m1) <= ceil(m1) && round(m1) >= floor(m1)).all());
   VERIFY(isNaN(m1*0.0/0.0).all());
   VERIFY(isInf(m1/0.0).all());