numerics.h File Reference

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Namespaces
	numerics

Functions
double	numerics::expm1 (double x)
	Supply expm1() function independent of system. More...
long	ld_round (double)
	Round to nearest int, rounding midpoints upwards. More...
double	dround (double)
	Round to nearest int, rounding midpoints upwards. More...
double	dtruncate (double)
	Return integer part of argument. More...

Variables
const double	numerics::e = M_E
const double	numerics::pi = M_PI

Function Documentation

double dround

(

double

)

Round to nearest int, rounding midpoints upwards.

Returns

Result as double

Note

[-1/2, 1/2) -> 0 and in general [ (2n-1)/2, (2n+1)/2 ) -> n

See also

ld_round

Referenced by nest::Time::set_resolution().

double dtruncate

(

double

)

Return integer part of argument.

long ld_round

(

double

)

Round to nearest int, rounding midpoints upwards.

Returns

Result as long

Note

[-1/2, 1/2) -> 0 and in general [ (2n-1)/2, (2n+1)/2 ) -> n

See also

dround

Referenced by nest::Time::delay_ms_to_steps().