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test/mpfrrndeval.awk
35 строк
1 KB
Arnold D. Robbins
Changes to ROUNDMODE now invalidate cached string values.
03 янв 2018, 23:28
03 янв 2018, 23:28
a5f0473
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# Tests side effects (like caching) on the evaluation (formatting and # rounding) of MPFR variables vs literals. BEGIN { pi = 3.1416 e = 2.7183 golden = 1.6180 # Evaluated as number with (default) OFMT. print pi print e print golden printf "\n" # Evaluated as number with (custom) OFMT. OFMT = "%.f" ROUNDMODE = "U"; print "Variable pi U:", pi ROUNDMODE = "D"; print "Variable pi D:", pi ROUNDMODE = "U"; print "Literal pi U:", 3.1416 ROUNDMODE = "D"; print "Literal pi D:", 3.1416 printf "\n" # Evaluated as string with (custom) CONVFMT. Absent comma. CONVFMT = "%.f" ROUNDMODE = "D"; print "Variable e D: " e ROUNDMODE = "U"; print "Variable e U: " e ROUNDMODE = "D"; print "Literal e D: " 2.7183 ROUNDMODE = "U"; print "Literal e U: " 2.7183 printf "\n" # Evaluated as number with (hardcoded) printf conversion. ROUNDMODE = "N"; printf "Variable golden N: %.f\n", golden ROUNDMODE = "Z"; printf "Variable golden Z: %.f\n", golden ROUNDMODE = "N"; printf "Literal golden N: %.f\n", 1.6180 ROUNDMODE = "Z"; printf "Literal golden Z: %.f\n", 1.6180 }