matheval::detail::math Namespace Reference

Functions
template<typename T>
T	sgn (T x)
	Sign function.
template<typename T>
T	isnan (T x)
	isnan function with adjusted return type
template<typename T>
T	isinf (T x)
	isinf function with adjusted return type
template<typename T>
T	deg (T x)
	Convert radians to degrees.
template<typename T>
T	rad (T x)
	Convert degrees to radians.

Function Documentation

deg()

template<typename T>

T matheval::detail::math::deg

(

T

x

)

Convert radians to degrees.

Definition at line 74 of file matheval.hpp.

Referenced by matheval::detail::grammar< real_t, Iterator >::ufunc_::ufunc_().

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isinf()

template<typename T>

T matheval::detail::math::isinf

(

T

x

)

isinf function with adjusted return type

Definition at line 70 of file matheval.hpp.

Referenced by matheval::detail::grammar< real_t, Iterator >::ufunc_::ufunc_().

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isnan()

template<typename T>

T matheval::detail::math::isnan

(

T

x

)

isnan function with adjusted return type

Definition at line 66 of file matheval.hpp.

Referenced by matheval::detail::grammar< real_t, Iterator >::ufunc_::ufunc_().

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rad()

template<typename T>

T matheval::detail::math::rad

(

T

x

)

Convert degrees to radians.

Definition at line 78 of file matheval.hpp.

Referenced by matheval::detail::grammar< real_t, Iterator >::ufunc_::ufunc_().

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sgn()

template<typename T>

T matheval::detail::math::sgn

(

T

x

)

Sign function.

Missing function in the STL. This calculates the mathematical sign function.

\[ \mathop{\mathrm{sgn}}(x) = \begin{cases} 1 & x > 0 \\ 0 & x = 0 \\ -1 & x < 0 \\ \end{cases} \]

Parameters

[in]

x

number

Returns

the sign of x

Definition at line 62 of file matheval.hpp.

Referenced by matheval::detail::grammar< real_t, Iterator >::ufunc_::ufunc_().

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