#! /usr/local/bin/php
4611686017353646080 divisible by 1024, subtract 1
FAIL: 4611686017353646079
FAIL: 2305843009750564863
FAIL: 1152921505949024255
FAIL: 576460754048253951
FAIL: 288230378097868799
FAIL: 144115190122676223
FAIL: 72057596135079935
FAIL: 36028799141281791
FAIL: 18014400644382719
FAIL: 9007201395933183
pass: 4503601771708415
pass: 6755401583820799
pass: 7881301489876991
pass: 8444251442905087
pass: 8725726419419135
pass: 8866463907676159
pass: 8936832651804671
pass: 8972017023868927
pass: 8989609209901055
pass: 8998405302917119
pass: 9002803349425151
pass: 9005002372679167
pass: 9006101884306175
pass: 9006651640119679
pass: 9006926518026431
pass: 9007063956979807
pass: 9007132676456495
pass: 9007167036194839
pass: 9007184216064011
pass: 9007192805998597
pass: 9007197100965890
9007199248449536 divisible by 1024, subtract 1
pass: 9007199248449535
FAIL: 9007200322191359
FAIL: 9007199785320447
FAIL: 9007199516884991
FAIL: 9007199382667263
FAIL: 9007199315558399
FAIL: 9007199282003967
FAIL: 9007199265226751
FAIL: 9007199256838143
pass: 9007199252643839
pass: 9007199254740991
FAIL: 9007199255789567
FAIL: 9007199255265279
FAIL: 9007199255003135
FAIL: 9007199254872063
FAIL: 9007199254806527
FAIL: 9007199254773759
FAIL: 9007199254757375
FAIL: 9007199254749183
FAIL: 9007199254745087
FAIL: 9007199254743039
FAIL: 9007199254742015
FAIL: 9007199254741503
FAIL: 9007199254741247
FAIL: 9007199254741119
FAIL: 9007199254741055
FAIL: 9007199254741023
FAIL: 9007199254741007
FAIL: 9007199254740999
FAIL: 9007199254740995
FAIL: 9007199254740993
9007199254740992 divisible by 1024, subtract 1

END 1024 after 62 iterations
current: 9007199254740992
last_pass: 9007199254740991
last_fail: 9007199254740993

current power: (2 ^ 53)
power double check: 9007199254740992.000000