core.cpp File Reference

Namespaces
namespace	hmap

Functions
float	hmap::abs_smooth (float a, float mu)
	Smooth absolute value.
float	hmap::almost_unit_identity (float x)
	Almost unit identity function.
float	hmap::almost_unit_identity_c2 (float x)
	Almost unit identity function (C2 variant).
int	hmap::ceil_div (int a, int b)
	Integer ceiling division.
float	hmap::fast_exp (float x)
	Fast exponential approximation.
float	hmap::fast_log (float x)
	Fast natural logarithm approximation.
float	hmap::gain (float x, float factor)
	Gain curve remapping in [0,1].
float	hmap::lerp (float a, float b, float t)
	Linear interpolation.
float	hmap::power_curve (float x, float a, float b)
	Smooth asymmetric bell-shaped curve on [0,1].
float	hmap::sigmoid (float x, float width=1.f, float vmin=0.f, float vmax=1.f, float x0=0.f)
	Sigmoid function.
float	hmap::smoothstep3 (float x)
	Cubic smoothstep function.
float	hmap::smoothstep3_lower (float x)
	Cubic smoothstep (zero derivative at 0 only).
float	hmap::smoothstep3_upper (float x)
	Cubic smoothstep (zero derivative at 1 only).
float	hmap::smoothstep5 (float x)
	Quintic smoothstep function.
float	hmap::smoothstep5_lower (float x)
	Quintic smoothstep (zero derivative at 0 only).
float	hmap::smoothstep5_upper (float x)
	Quintic smoothstep (zero derivative at 1 only).
float	hmap::smoothstep7 (float x)
	Seventh-order smoothstep function.
float	hmap::threshold (float x, float x0, float x1)
	Linear threshold.
float	hmap::threshold_smooth (float x, float x0, float x1)
	Smooth threshold using smoothstep.
float	hmap::trapeze (float x, float x0, float x1, float width)
	Computes a trapezoidal pulse function.
float	hmap::trapeze_smooth (float x, float x0, float x1, float width)
	Smooth trapezoidal pulse using cubic smoothstep interpolation.
float	hmap::triangle (float x, float vmin, float vmax)
	Triangle function between bounds.