Fixes for normalization issues (#214) #1500

Job	Run time
get-commit-message	3s
test-gpu (cufinufft)	12m 55s
test-cpu (finufft)	16m 39s
test-gpu (gpunufft)	12m 5s
test-cpu (pynfft)	4m 34s
test-gpu (torchkbnufft-gpu)	14m 37s
test-cpu (sigpy)	4m 30s
test-examples	23m 17s
Build API Documentation	10m 5s
coverage	24s
Compile the coverage badge in docs	10s
	1h 39m 19s

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