diff --git a/newlib/ChangeLog b/newlib/ChangeLog
index e7c74fbe2..fc79c5867 100644
--- a/newlib/ChangeLog
+++ b/newlib/ChangeLog
@@ -1,3 +1,8 @@
+2005-07-20  Bob Wilson  <bob.wilson@acm.org>
+           Darin Petkov <darin@tensilica.com>
+
+       * libm/math/ef_atan2.c (pi, pi_lo): Use round-to-nearest value of pi.
+
 2005-07-19  Paul Brook  <paul@codesourcery.com>
 
 	* libc/sys/arm/crt0.S: Ensure doubleword stack alignment.
diff --git a/newlib/libm/math/ef_atan2.c b/newlib/libm/math/ef_atan2.c
index 45b5acb0c..d57480b03 100644
--- a/newlib/libm/math/ef_atan2.c
+++ b/newlib/libm/math/ef_atan2.c
@@ -25,8 +25,8 @@ tiny  = 1.0e-30,
 zero  = 0.0,
 pi_o_4  = 7.8539818525e-01, /* 0x3f490fdb */
 pi_o_2  = 1.5707963705e+00, /* 0x3fc90fdb */
-pi      = 3.1415925026e+00, /* 0x40490fda */
-pi_lo   = 1.5099578832e-07; /* 0x34222168 */
+pi      = 3.1415927410e+00,  /* 0x40490fdb */
+pi_lo   = -8.7422776573e-08; /* 0xb3bbbd2e */
 
 #ifdef __STDC__
 	float __ieee754_atan2f(float y, float x)