Moved transpose after unzip in r2c.
Merge branch 'fft_test'
Freed stack allocations can be reused by subsequent stack allocations.
Arm inverse sqrt was using the wrong instructions.
Relax accuracy requirement for inverse sqrt on arm
Implemented recycling of stack allocations.
Added explicit bounds on FFTs.
Merge branch 'master' of https://github.com/halide/Halide
Merge branch 'master' into recycle_stack
Re-enabled computing column FFTs on strips (instead of root).
Reset debug output for allocs to level 4.
create_allocation/free_allocation are now private.
Tweaks to distrib_windows to get it running on a new windows box
Merge branch 'master' of https://github.com/Halide/halide
Test to ensure stack allocations can be reused.
Fixed test to be less reliant on undef optimization behavior.
Add export qualifiers to boundary conditions fns for windows.
Avoid std::min because windows.
Merge branch 'master' of https://github.com/Halide/halide
Add missing EXPORT tag