v0.3.1

[0.3.1] - 2022-07-12

• Fix for marching cubes reallocation after initialization
• Add support for closest point between line segment tests, see wp.closest_point_edge_edge() builtin
• Add support for per-triangle elasticity coefficients in simulation, see wp.sim.ModelBuilder.add_cloth_mesh()

[0.3.0] - 2022-07-08

• Add support for FP16 storage type, see wp.float16
• Add support for per-dimension byte strides, see wp.array.strides
• Add support for passing Python classes as kernel arguments, see @wp.struct decorator
• Add additional bounds checks for builtin matrix types
• Add additional floating point checks, see wp.config.verify_fp
• Add interleaved user source with generated code to aid debugging
• Add generalized GPU marching cubes implementation, see wp.MarchingCubes class
• Add additional scalar*matrix vector operators
• Add support for retrieving a single row from builtin types, e.g.: r = m33[i]
• Add wp.log2() and wp.log10() builtins
• Add support for quickly instancing wp.sim.ModelBuilder objects to improve env. creation performance for RL
• Remove custom CUB version and improve compatability with CUDA 11.7
• Fix to preserve external user-gradients when calling wp.Tape.zero()
• Fix to only allocate gradient of a Torch tensor if requires_grad=True
• Fix for missing wp.mat22 constructor adjoint
• Fix for ray-cast precision in edge case on GPU (watertightness issue)
• Fix for kernel hot-reload when definition changes
• Fix for NVCC warnings on Linux
• Fix for generated function names when kernels are defined as class functions
• Fix for reload of generated CPU kernel code on Linux
• Fix for example scripts to output USD at 60 timecodes per-second (better Kit compatibility)