<i> find interval of Legendre and 2 other estimated primes from two entries</i>.
by
anonymous
2018-07-31 00:57:43.
D 2018-07-31T00:57:43.288
J assignee nobody
J closer nobody
J cmimetype text/plain
J comment possibly,\sdifference\sover\sinterval\susing\sNumberPrimesLegendreModified\s(related\sprevious\sticket\scd42b3ddf8,2017-05-28\s)\r\nwould\sbe\suseful\sto\ssome.\stwo\snumbers\sentered,\slimit1\sand\slimit2\sand\sdifference\sreturned.\sboth\slimits\smust\sbe\sgreater\sthan\sone.\sfind\sinterval\sof\sest.\sprimes\sfrom\stwo\sentries\son\spositive\snumber\sline.\sInclusive,\sinterval\sdifferences\sfor\snumberPrimesGauss,\snumberPrimesLegendre,\sNumberPrimesLegendreModified\smight\sbe\suseful.\r\n##\s\r\n###\sdifferenceNumberPrimesLegendreModified\s--\r\n#\s\s\s\s\sReturn\sthe\sapproximate\sdifference\snumber\sof\sprimes\s\r\n#\s\s\s\s\sbetween\sa\slower\sand\shigher\slimit\sas\sgiven\svalues\r\n#\s\s\s\s\sfor\sapproximate\snumber\sof\sprimes\sbased\son\sthe\r\n#\s\s\s\s\smodified\sformula\sby\sLegendre\r\n#\r\n#\sArguments:\r\n#\s\s\s\s\slimit1\s\s\s\s\sThe\slower\slimit\sfor\sthe\sinterval,\slargest\sprime\sto\sbe\sincluded\sin\sthe\sl.limit\r\n#\s\s\s\s\slimit2\s\s\s\s\sThe\supper\slimit\sfor\sthe\sinterval,\slargest\sprime\sto\sbe\sincluded\sin\sthe\su.mlimit\r\n#\r\n#\sReturns:\r\n#\s\s\s\s\sApproximate\sdifference\snumber\sof\sprimes\r\n#\r\nproc\s::math::numtheory::differenceNumberPrimesLegendreModified\s{limit1\slimit2}\s{\r\n\s\s\s\sif\s{\s$limit1\s<=\s1\s}\s{\r\n\s\s\s\s\s\s\s\sreturn\s-code\serror\s"The\slower\slimit\smust\sbe\slarger\sthan\s1"\r\n\s\s\s\s}\r\n\s\s\s\sif\s{\s$limit2\s<=\s1\s}\s{\r\n\s\s\s\s\s\s\s\sreturn\s-code\serror\s"The\supper\slimit\smust\sbe\slarger\sthan\s1"\r\n\s\s\s\s}\r\n\r\n\s\s\s\s\sset\saa\s[::math::numtheory::numberPrimesLegendreModified\s[expr\s($limit1)]]\s\s\s\r\n\s\s\s\s\sset\sbb\s[::math::numtheory::numberPrimesLegendreModified\s[expr\s($limit2)]]\s\r\n\s\s\s\s\sexpr\s(\s$bb-$aa)\r\n}\r\n#######\s\r\nstatements\sinvoking\sdifference\r\n\sputs\s"\s[\s::math::numtheory::differenceNumberPrimesLegendreModified\s100\s\s200\s\s]\s"\r\n\s\s\s\s\s\s\s\s\s#puts\s"\s[\s::math::numtheory::differenceNumberPrimesLegendreModified\s100\s\s0\s\s]\s"\sinvokes\serror.
J foundin 8.6
J is_private 0
J login anonymous
J priority 5\sMedium
J private_contact 6a35629ae8c91b8189de05be9d12871d9ac9f8f9
J resolution None
J severity Cosmetic
J status Open
J submitter anonymous
J subsystem math\s::\sspecial
J title \sfind\sinterval\sof\sLegendre\sand\s2\sother\sestimated\sprimes\sfrom\stwo\sentries
J type Patch
K 3c17835a2da341ad99c5e70007615f281f250534
U anonymous
Z 968764b272033af44ac3129c3e32350c
