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[extensions][ttmath] add missing mathematical functions for ttmath_big

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and specialize detail::math::equals for ttmath_big and ttmath::Big<E, M>
This commit is contained in:
Menelaos Karavelas
2015-05-07 14:00:10 +03:00
parent 80da683b77
commit fad1ce69f0
1 changed files with 61 additions and 0 deletions
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61
include/boost/geometry/extensions/contrib/ttmath_stub.hpp
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@@ -175,6 +175,39 @@ inline ttmath_big operator/(ttmath_big const& x, ttmath_big const& y)
}
// math functions for ttmath_big
#define TTMATH_BIG_UNARY_MATH_FUNCTION(FCT) \
ttmath_big FCT(ttmath_big const& x) \
{ \
return ttmath::FCT(static_cast<ttmath::Big<1,4> const&>(x)); \
}
#define TTMATH_BIG_BINARY_MATH_FUNCTION(FCT) \
ttmath_big FCT(ttmath_big const& x, ttmath_big const& y) \
{ \
return ttmath::FCT(static_cast<ttmath::Big<1,4> const&>(x), \
static_cast<ttmath::Big<1,4> const&>(y)); \
}
TTMATH_BIG_UNARY_MATH_FUNCTION(sqrt)
TTMATH_BIG_UNARY_MATH_FUNCTION(abs)
TTMATH_BIG_UNARY_MATH_FUNCTION(ceil)
TTMATH_BIG_UNARY_MATH_FUNCTION(floor)
TTMATH_BIG_UNARY_MATH_FUNCTION(asin)
TTMATH_BIG_UNARY_MATH_FUNCTION(acos)
TTMATH_BIG_UNARY_MATH_FUNCTION(atan)
TTMATH_BIG_UNARY_MATH_FUNCTION(sin)
TTMATH_BIG_UNARY_MATH_FUNCTION(cos)
TTMATH_BIG_UNARY_MATH_FUNCTION(tan)
TTMATH_BIG_BINARY_MATH_FUNCTION(atan2)
TTMATH_BIG_BINARY_MATH_FUNCTION(mod)
#undef TTMATH_BIG_UNARY_MATH_FUNCTION
#undef TTMATH_BIG_BINARY_MATH_FUNCTION
namespace boost{ namespace geometry { namespace math
{
@@ -235,6 +268,7 @@ namespace detail
: public define_two_pi<ttmath::Big<1,4> >
{};
template <ttmath::uint Exponent, ttmath::uint Mantissa>
struct equals_with_epsilon<ttmath::Big<Exponent, Mantissa>, false>
{
@@ -252,6 +286,33 @@ namespace detail
: public equals_with_epsilon<ttmath::Big<1, 4>, false>
{};
template <ttmath::uint Exponent, ttmath::uint Mantissa>
struct equals<ttmath::Big<Exponent, Mantissa>, false>
{
template <typename Policy>
static inline bool apply(ttmath::Big<Exponent, Mantissa> const& a,
ttmath::Big<Exponent, Mantissa> const& b,
Policy const&)
{
return equals_with_epsilon
<
ttmath::Big<Exponent, Mantissa>
>::apply(a, b);
}
};
template <>
struct equals<ttmath_big, false>
{
template <typename Policy>
static inline bool apply(ttmath_big const& a,
ttmath_big const& b,
Policy const&)
{
return equals_with_epsilon<ttmath_big>::apply(a, b);
}
};
} // detail
} // ttmath