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3.14... -> math::pi<T>()

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bolero-MURAKAMI 2012-02-28 18:54:39 +09:00
parent 3078d76ceb
commit dacf1f40ac
3 changed files with 11 additions and 11 deletions
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10
sprout/random/normal_distribution.hpp
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@ -7,6 +7,7 @@
#include <istream>
#include <stdexcept>
#include <sprout/config.hpp>
#include <sprout/math/constants.hpp>
#include <sprout/random/uniform_01.hpp>
#include <sprout/random/random_result.hpp>
@ -22,8 +23,6 @@ namespace sprout {
typedef RealType result_type;
private:
struct private_constructor_tag {};
private:
SPROUT_STATIC_CONSTEXPR result_type pi = result_type(3.14159265358979323846);
private:
static SPROUT_CONSTEXPR bool arg_check_nothrow(RealType mean_arg, RealType sigma_arg) {
return sigma_arg >= RealType(0);
@ -125,7 +124,12 @@ namespace sprout {
using std::sin;
using std::cos;
return sprout::random::random_result<Engine, normal_distribution>(
cached_rho * (valid ? cos(result_type(2) * pi * r1) : sin(result_type(2) * pi * r1)) * sigma_ + mean_,
cached_rho
* (valid
? cos(result_type(2) * sprout::math::pi<result_type>() * r1)
: sin(result_type(2) * sprout::math::pi<result_type>() * r1)
)
* sigma_ + mean_,
eng,
normal_distribution(
mean_,