diff options
Diffstat (limited to 'absl/random/poisson_distribution.h')
-rw-r--r-- | absl/random/poisson_distribution.h | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/absl/random/poisson_distribution.h b/absl/random/poisson_distribution.h index cb5f5d5d..f4573082 100644 --- a/absl/random/poisson_distribution.h +++ b/absl/random/poisson_distribution.h @@ -26,6 +26,7 @@ #include "absl/random/internal/fastmath.h" #include "absl/random/internal/generate_real.h" #include "absl/random/internal/iostream_state_saver.h" +#include "absl/random/internal/traits.h" namespace absl { ABSL_NAMESPACE_BEGIN @@ -80,7 +81,7 @@ class poisson_distribution { double log_k_; int split_; - static_assert(std::is_integral<IntType>::value, + static_assert(random_internal::IsIntegral<IntType>::value, "Class-template absl::poisson_distribution<> must be " "parameterized using an integral type."); }; @@ -133,7 +134,8 @@ template <typename IntType> poisson_distribution<IntType>::param_type::param_type(double mean) : mean_(mean), split_(0) { assert(mean >= 0); - assert(mean <= (std::numeric_limits<result_type>::max)()); + assert(mean <= + static_cast<double>((std::numeric_limits<result_type>::max)())); // As a defensive measure, avoid large values of the mean. The rejection // algorithm used does not support very large values well. It my be worth // changing algorithms to better deal with these cases. @@ -222,8 +224,9 @@ poisson_distribution<IntType>::operator()( // clang-format on const double lhs = 2.0 * std::log(u) + p.log_k_ + s; if (lhs < rhs) { - return x > (max)() ? (max)() - : static_cast<result_type>(x); // f(x)/k >= u^2 + return x > static_cast<double>((max)()) + ? (max)() + : static_cast<result_type>(x); // f(x)/k >= u^2 } } } |