Numerical operations

localmax	Find local maxima in an array
localmin	Find local minima in an array
peak_pick	Use a flexible heuristic to pick peaks in a signal.
softmask	Robustly compute a soft-mask operation.
count_unique	Count the number of unique values along a given axis.
is_unique	Determine if the input consists of all unique values along a given axis.
nnls	Non-negative least squares.
cyclic_gradient	Estimate the gradient of a function over a uniformly sampled, periodic domain.
dtype_c2r	Find the real numpy dtype corresponding to a complex dtype.
dtype_r2c	Find the complex numpy dtype corresponding to a real dtype.
buf_to_float	Convert an integer buffer to floating point values.
tiny	Compute the tiny-value corresponding to an input's data type.
abs2	Compute the squared magnitude of a real or complex array.
phasor	Construct a complex phasor representation from angles.
sync	Aggregate a multi-dimensional array between specified boundaries.
interp_broadcast	Broadcast two arrays using interpolation
axis_sort	Sort an array along its rows or columns.
normalize	Normalize an array along a chosen axis.
sparsify_rows	Return a row-sparse array approximating the input