4.8 KiB
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Header: math.h
From: 20.50.0
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Various mathematical utilities
is_nan
template <typename T>
ETL_CONSTEXPR bool is_nan(T value)
Returns
true if value is NAN (Not A Number).
Always returns false if T is an integral.
is_infinity
template <typename T>
ETL_CONSTEXPR bool is_infinity(T value)
Returns
true if value is infinity.
Always returns false if T is an integral.
is_zero
template <typename T>
ETL_CONSTEXPR bool is_zero(T value)
Returns
true if value is Zero.
is_exactly_zero
template <typename T>
ETL_CONSTEXPR bool is_exactly_equal(T value1, T value2)
Returns
true if value1 is equal to value2.
floor
Defined in the etl::math namespace.
ETL_NODISCARD
float floor(float value) ETL_NOEXCEPT
Description
A wrapper around ::floorf in <math.h>.
Returns
::floorf(value)
ETL_NODISCARD
double floor(double value) ETL_NOEXCEPT
Description
A wrapper around ::floor in <math.h>.
Returns
::floor(value)
ETL_NODISCARD
long double floor(long double value) ETL_NOEXCEPT
Description
A wrapper around ::floorl in <math.h>.
Returns
If ETL_NO_LONG_DOUBLE_MATH is defined then returns
::floor with casts to double.
otherwise
::floorl(value)
ceil
Defined in the etl::math namespace.
ETL_NODISCARD
float ceil(float value) ETL_NOEXCEPT
Description
A wrapper around ::ceilf in <math.h>.
Returns
::ceilf(value)
ETL_NODISCARD
double ceil(double value) ETL_NOEXCEPT
Description
A wrapper around ::ceil in <math.h>.
Returns
::ceil(value)
ETL_NODISCARD
long double ceil(long double value) ETL_NOEXCEPT
Description
A wrapper around ::ceill in <math.h>.
Returns
If ETL_NO_LONG_DOUBLE_MATH is defined then returns
::ceil with casts to double.
otherwise
::ceill(value)
log10
Defined in the etl::math namespace.
ETL_NODISCARD
float log10(float value) ETL_NOEXCEPT
Description
A wrapper around ::log10f in <math.h>.
Returns
::log10f(value)
ETL_NODISCARD
double log10(double value) ETL_NOEXCEPT
Description
A wrapper around ::log10 in <math.h>.
Returns
::log10(value)
ETL_NODISCARD
long double log10(long double value) ETL_NOEXCEPT
Description
A wrapper around ::log10l in <math.h>.
Returns
If ETL_NO_LONG_DOUBLE_MATH is defined then returns
::log10 with casts to double.
otherwise
::log10l(value)
round
Defined in the etl::math namespace.
ETL_NODISCARD
float round(float value) ETL_NOEXCEPT
Description
A wrapper around ::roundf in <math.h>.
Returns
::roundf(value)
ETL_NODISCARD
double round(double value) ETL_NOEXCEPT
Description
A wrapper around ::round in <math.h>.
Returns
::round(value)
ETL_NODISCARD
long double round(long double value) ETL_NOEXCEPT
Description
A wrapper around ::roundl in <math.h>.
Returns
If ETL_NO_LONG_DOUBLE_MATH is defined then returns
::round with casts to double.
otherwise
::roundl(value)
pow
Defined in the etl::math namespace.
ETL_NODISCARD
float pow(float base, float exponent) ETL_NOEXCEPT
Description
A wrapper around ::powf in <math.h>.
Returns
::powf(base, exponent)
ETL_NODISCARD
double pow(double base, double exponent) ETL_NOEXCEPT
Description
A wrapper around ::pow in <math.h>.
Returns
::pow(base, exponent)
ETL_NODISCARD
long double pow(long double base, long double exponent) ETL_NOEXCEPT
Description
A wrapper around ::powl in <math.h>.
Returns
If ETL_NO_LONG_DOUBLE_MATH is defined then returns
::pow with casts to double.
otherwise
::powl(base, intpart)
modf
Defined in the etl::math namespace.
ETL_NODISCARD
float modf(float value, float* intpart) ETL_NOEXCEPT
Description
A wrapper around ::modff in <math.h>.
Returns
::modff(value, intpart)
ETL_NODISCARD
double modf(double value, double* intpart) ETL_NOEXCEPT
Description
A wrapper around ::modf in <math.h>.
Returns
::modf(value, intpart)
ETL_NODISCARD
long double modf(long double value, long double* intpart) ETL_NOEXCEPT
Description
A wrapper around ::modfl in <math.h>.
Returns
If ETL_NO_LONG_DOUBLE_MATH is defined then returns
::modf with casts to double.
otherwise
::modfl(value, intpart)