util

Exceptions

PiecewiseValidationError

An exception raised when validation of piecewise linear functions fail.

Functions

characterize_function(breakpoints, values)	Characterizes a piecewise linear function described by a list of breakpoints and function values.
generate_delaunay(variables[, num])	Generate a Delaunay triangulation of the D-dimensional bounded variable domain given a list of D variables.
generate_gray_code(nbits)	Generates a Gray code of nbits as list of lists
is_constant(vals)	Checks if a list of points is constant
is_nondecreasing(vals)	Checks if a list of points is nondecreasing
is_nonincreasing(vals)	Checks if a list of points is nonincreasing
is_positive_power_of_two(x)	Checks if a number is a nonzero and positive power of 2
log2floor(n)	Computes the exact value of floor(log2(n)) without using floating point calculations.