tested by PAB at 8 July - links and runs OK

[SVN r3078]

include/boost/math/special_functions/math_fwd.hpp

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+// math_fwd.hpp
+
+// Copyright Paul A. Bristow 2006.
+// Copyright John Maddock 2006.
+
+// Use, modification and distribution are subject to the
+// Boost Software License, Version 1.0.
+// (See accompanying file LICENSE_1_0.txt
+// or copy at http://www.boost.org/LICENSE_1_0.txt)
+
+// Omnibus list of forward declarations of math special functions.
+
+// IT = Integer type.
+// RT = Real type (built-in floating-point types, float, double, long double) & User Defined Types
+// AT = Integer or Real type 
+
+#ifndef BOOST_MATH_SPECIAL_MATH_FWD_HPP
+#define BOOST_MATH_SPECIAL_MATH_FWD_HPP
+
+#include <boost/math/tools/promotion.hpp> // for argument promotion.
+
+namespace boost
+{
+	namespace math
+	{ // Math functions (in roughly alphabetic order).
+
+		// Beta functions.
+		template <class RT>
+		RT beta(RT a, RT b); // Beta function (2 arguments).
+    template <class RT>
+    RT beta(RT a, RT b, RT x);// Beta function (3 arguments).
+    template <class RT>
+    RT betac(RT a, RT b, RT x);
+		template <class RT> 
+		RT ibeta(RT a, RT b, RT x); // Incomplete beta function.
+		template <class RT>
+		RT ibetac(RT a, RT b, RT x); // Incomplete beta complement function.
+		template <class RT>
+		RT ibeta_inv(RT a, RT b, RT p); // Incomplete beta inverse function.
+		template <class RT>
+		RT ibetac_inv(RT a, RT b, RT q); // Incomplete beta complement inverse function.
+
+    // Binomial distribution.
+
+    template <class ArithmeticType, class RealType> // Binomial distribution (k, n, x)
+    // Probability of number of events between 0 and k-1 inclusive, if expected probability of success events is success_fraction.
+    typename tools::promote_arg3<ArithmeticType, ArithmeticType, RealType>::type
+      // Return type is the wider of the two (perhaps promoted) floating-point types.
+    binomial(ArithmeticType k, ArithmeticType n, RealType success_fraction);
+
+    template <class ArithmeticType, class RealType> // Binomial distribution complement (k, n, x)
+    // Probability of number of events between 0 and k-1 inclusive, if expected mean is x.
+    typename tools::promote_arg3<ArithmeticType, ArithmeticType, RealType>::type
+      // Return type is the wider of the two (perhaps promoted) floating-point types.
+    binomial_c(ArithmeticType k, ArithmeticType n, RealType success_fraction);
+
+    template <class ArithmeticType, class RealType>
+    // success_fraction if number of events between 0 and k-1 inclusive, and probability p.
+    typename tools::promote_arg3<ArithmeticType, ArithmeticType, RealType>::type
+    // Return type is the wider of the two (perhaps promoted) floating point types.
+    binomial_inv(ArithmeticType k,  ArithmeticType n, RealType probability); // Binomial distribution inverse (k, n, p)
+
+		// cbrt - cube root.
+		template <class RT>
+		RT cbrt(RT z);
+
+    // chi_sqr functions.
+  	template <class AT, class RT> // probability chisqr(degrees_of_freedom, chisqr)
+    typename tools::promote_arg2<RT, AT>::type
+      // return type is the wider of the two (?promoted) floating point types.
+     chisqr(AT degrees_of_freedom, RT chisqr);
+
+		template <class AT, class RT> // complement probability chisqr_c(degrees_of_freedom, chisqr)
+    typename tools::promote_arg2<RT, AT>::type
+    chisqr_c(AT degrees_of_freedom, RT chisqr);
+
+		template <class AT, class RT> // chisqr = chisqr_inv(degrees_of_freedom,  probability)
+    typename tools::promote_arg2<RT, AT>::type
+    chisqr_inv(AT degrees_of_freedom, RT probability);
+
+		template <class AT, class RT> // degrees_of_freedom = chisqr_inv_df(chisqr, probability)
+    typename tools::promote_arg2<RT, AT>::type // <RT, AT> but both RT.
+    chisqr_df_inv(RT chisqr, RT probability);
+
+		// erf & erfc error functions.
+		template <class RT> // Error function.
+		RT erf(RT z);
+		template <class RT>// Error function complement.
+		RT erfc(RT z);
+		template <class RT>// Error function inverse.
+		RT erf_inv(RT z);
+		template <class RT>// Error function complement inverse.
+		RT erfc_inv(RT z);
+
+    // Exp (x minus 1) functions.
+    template <class T>
+    T expm1(T);
+
+    // Factorial functions.
+    // Note: not for integral types, at present.
+    template <class RT>
+    struct max_factorial;
+    template <class RT>
+    RT factorial(unsigned int);
+    template <class RT>
+    RT unchecked_factorial(unsigned int); 
+    
+    // Fisher-Snedecor functions.
+
+		template <class AT, class RT>
+    typename tools::promote_arg3<AT, AT, RT>::type
+    // return type is the wider of the three (possibly promoted) floating point types.
+    fisher(AT degrees_of_freedom1, AT degrees_of_freedom2, RT fisher);
+
+		template <class AT, class RT>
+    typename tools::promote_arg3<AT, AT, RT>::type
+    fisher_c(AT degrees_of_freedom1, AT degrees_of_freedom2, RT fisher);
+
+		template <class AT, class RT>
+    typename tools::promote_arg3<AT, AT, RT>::type
+    fisher_inv(AT degrees_of_freedom1, AT degrees_of_freedom2, RT fisher);
+
+		template <class AT, class RT>
+    typename tools::promote_arg3<AT, AT, RT>::type
+    fisher_c_inv(AT degrees_of_freedom1, AT degrees_of_freedom2, RT fisher);
+
+    // Fpclassify - classify floating-point as NaN or infinity...
+    template <class T>
+    int fpclassify (T);
+
+		// Gamma functions.
+		template <class RT>
+		RT tgamma(RT z);
+		template <class RT>
+		RT tgamma(RT a, RT z);
+		template <class RT>
+		RT lgamma(RT z, int* sign);
+		template <class RT>
+		RT lgamma(RT x);
+		template <class RT>
+		RT tgamma_lower(RT a, RT z);
+		template <class RT>
+		RT gamma_Q(RT a, RT z);
+		template <class RT>
+		RT gamma_P(RT a, RT z);
+		// gamma inverse.
+		template <class RT>
+		RT gamma_P_inv(RT a, RT p);
+		template <class RT>
+		RT gamma_Q_inv(RT a, RT q);
+
+    // Hypotenuse function sqrt(x ^ 2 + y ^ 2).
+    template <class T>
+    T hypot(T, T);
+
+    // log1p is log(x + 1)
+    template <class T>
+    T log1p(T);
+
+    // Power
+    template <class T>
+    T powm1(const T, const T);
+
+    template <class AT, class RT>
+    typename tools::promote_arg2<RT, AT>::type
+  	students_t(AT degrees_of_freedom1, RT probability); //  probability from t.
+
+    template <class AT, class RT>
+    typename tools::promote_arg2<RT, AT>::type
+    students_t_inv(AT degrees_of_freedom1, RT probability); // t from probability.
+
+    // sqrt
+    template <class T>
+    T sqrtp1m1(const T&);
+
+ 	} // namespace math
+} // namespace boost
+
+#endif // BOOST_MATH_SPECIAL_MATH_FWD_HPP