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diff --git a/src/cml/constants.h b/src/cml/constants.h
deleted file mode 100644
index 060705c..0000000
--- a/src/cml/constants.h
+++ /dev/null
@@ -1,87 +0,0 @@
-/* -*- C++ -*- ------------------------------------------------------------
- 
-Copyright (c) 2007 Jesse Anders and Demian Nave http://cmldev.net/
-
-The Configurable Math Library (CML) is distributed under the terms of the
-Boost Software License, v1.0 (see cml/LICENSE for details).
-
- *-----------------------------------------------------------------------*/
-/** @file
- *  @brief Useful constants.
- */
-
-#ifndef cml_constants_h
-#define cml_constants_h
-
-#include <cmath>
-
-#if !defined(M_PI)
-#define M_PI 3.14159265358979323846264338327950288
-#endif
-
-#if !defined(M_SQRT2)
-#define M_SQRT2 1.41421356237309504880168872420969808
-#endif
-
-#if !defined(M_E)
-#define M_E 2.71828182845904523536028747135266250
-#endif
-
-namespace cml {
-
-#if 1
-
-/** Templated constants struct.
- *
- * Either float or double can be used.
- */
-template<typename Float>
-struct constants {
-    static Float pi()           { return M_PI;                             }
-    static Float two_pi()       { return 2.*M_PI;                          }
-    static Float inv_pi()       { return 1./M_PI;                          }
-    static Float inv_two_pi()   { return 1./(2.*M_PI);                     }
-    static Float pi_over_2()    { return M_PI/2.;                          }
-    static Float pi_over_4()    { return M_PI/4.;                          }
-    static Float deg_per_rad()  { return 180./M_PI;                        }
-    static Float rad_per_deg()  { return M_PI/180.;                        }
-    static Float sqrt_2()       { return M_SQRT2;                          }
-    static Float sqrt_3()       { return 1.732050807568877293527446341505; }
-    static Float sqrt_5()       { return 2.236067977499789696409173668731; }
-    static Float sqrt_6()       { return 2.449489742783178098197284074705; }
-    static Float e()            { return M_E;                              }
-};
-
-#else
-
-/* XXX This version requires an explicit instantiation of *every* constant
- * below, e.g.:
- *
- * template<typename F> const F cml::constants<F>::pi;
- */
-/** Templated constants struct.
- *
- * Either float or double can be used.
- */
-template<typename Float>
-struct constants {
-    static const Float pi = M_PI;
-    static const Float two_pi = 2.*M_PI;
-    static const Float inv_pi = 1./M_PI;                /* 1/pi */
-    static const Float inv_two_pi = 1./(2.*M_PI);       /* 1/(2*pi) */
-    static const Float pi_over_2 = M_PI/2.;             /* pi/2 */
-    static const Float pi_over_4 = M_PI/4.;             /* pi/4 */
-    static const Float deg_per_rad = 180./M_PI;
-    static const Float rad_per_deg = M_PI/180.;
-    static const Float sqrt_2 = M_SQRT2;
-    static const Float sqrt_3 = 1.73205080756887729352744634150587237;
-    static const Float sqrt_5 = 2.23606797749978969640917366873127624;
-    static const Float sqrt_6 = 2.44948974278317809819728407470589139;
-    static const Float e = M_E;
-};
-
-#endif
-
-} // namespace cml
-
-#endif