diff options
Diffstat (limited to 'boost/math/special_functions/detail/igamma_inverse.hpp')
| -rw-r--r-- | boost/math/special_functions/detail/igamma_inverse.hpp | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/boost/math/special_functions/detail/igamma_inverse.hpp b/boost/math/special_functions/detail/igamma_inverse.hpp index 53875ff83e..fd0189ca6d 100644 --- a/boost/math/special_functions/detail/igamma_inverse.hpp +++ b/boost/math/special_functions/detail/igamma_inverse.hpp @@ -281,11 +281,11 @@ T find_inverse_gamma(T a, T p, T q, const Policy& pol, bool* p_has_10_digits) // DiDonato and Morris Eq 35: T v = log(p) + boost::math::lgamma(ap1, pol); z = exp((v + w) / a); - s = boost::math::log1p(z / ap1 * (1 + z / ap2)); + s = boost::math::log1p(z / ap1 * (1 + z / ap2), pol); z = exp((v + z - s) / a); - s = boost::math::log1p(z / ap1 * (1 + z / ap2)); + s = boost::math::log1p(z / ap1 * (1 + z / ap2), pol); z = exp((v + z - s) / a); - s = boost::math::log1p(z / ap1 * (1 + z / ap2 * (1 + z / (a + 3)))); + s = boost::math::log1p(z / ap1 * (1 + z / ap2 * (1 + z / (a + 3))), pol); z = exp((v + z - s) / a); BOOST_MATH_INSTRUMENT_VARIABLE(z); } @@ -341,7 +341,7 @@ struct gamma_p_inverse_func // flag is set, then Q(x) - q and it's derivatives. // typedef typename policies::evaluation<T, Policy>::type value_type; - typedef typename lanczos::lanczos<T, Policy>::type evaluation_type; + // typedef typename lanczos::lanczos<T, Policy>::type evaluation_type; typedef typename policies::normalise< Policy, policies::promote_float<false>, @@ -378,7 +378,7 @@ struct gamma_p_inverse_func f2 = -f2; } - return boost::math::make_tuple(f - p, f1, f2); + return boost::math::make_tuple(static_cast<T>(f - p), f1, f2); } private: T a, p; @@ -396,11 +396,11 @@ T gamma_p_inv_imp(T a, T p, const Policy& pol) BOOST_MATH_INSTRUMENT_VARIABLE(p); if(a <= 0) - policies::raise_domain_error<T>(function, "Argument a in the incomplete gamma function inverse must be >= 0 (got a=%1%).", a, pol); + return policies::raise_domain_error<T>(function, "Argument a in the incomplete gamma function inverse must be >= 0 (got a=%1%).", a, pol); if((p < 0) || (p > 1)) - policies::raise_domain_error<T>(function, "Probabilty must be in the range [0,1] in the incomplete gamma function inverse (got p=%1%).", p, pol); + return policies::raise_domain_error<T>(function, "Probabilty must be in the range [0,1] in the incomplete gamma function inverse (got p=%1%).", p, pol); if(p == 1) - return tools::max_value<T>(); + return policies::raise_overflow_error<T>(function, 0, Policy()); if(p == 0) return 0; bool has_10_digits; @@ -456,11 +456,11 @@ T gamma_q_inv_imp(T a, T q, const Policy& pol) static const char* function = "boost::math::gamma_q_inv<%1%>(%1%, %1%)"; if(a <= 0) - policies::raise_domain_error<T>(function, "Argument a in the incomplete gamma function inverse must be >= 0 (got a=%1%).", a, pol); + return policies::raise_domain_error<T>(function, "Argument a in the incomplete gamma function inverse must be >= 0 (got a=%1%).", a, pol); if((q < 0) || (q > 1)) - policies::raise_domain_error<T>(function, "Probabilty must be in the range [0,1] in the incomplete gamma function inverse (got q=%1%).", q, pol); + return policies::raise_domain_error<T>(function, "Probabilty must be in the range [0,1] in the incomplete gamma function inverse (got q=%1%).", q, pol); if(q == 0) - return tools::max_value<T>(); + return policies::raise_overflow_error<T>(function, 0, Policy()); if(q == 1) return 0; bool has_10_digits; |