Compiled libm. Did 'nm catrig.o'. Found the following: 00000008 r pio2_lo 00000000 r tiny What is 'r' mean? nm(1) lacks a description. -- Steve 20170425 https://www.youtube.com/watch?v=VWUpyCsUKR4 20161221 https://www.youtube.com/watch?v=IbCHE-hONow