Cody

Problem 44385. Extra safe primes

Solution 1611388

Submitted on 17 Aug 2018 by Michael Cappello
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Test Suite

Test Status Code Input and Output
1   Pass
x = 0; assert(isequal(isextrasafe(x),false))

tf1 = logical 0 tf2 = logical 0 tf = logical 0

2   Pass
x = 5; assert(isequal(isextrasafe(x),false))

tf1 = logical 0 tf2 = logical 0 tf = logical 0 x1 = 2 x2 = 0.5000 tf1 = logical 1 tf = logical 0

3   Pass
x = 7; assert(isequal(isextrasafe(x),false))

tf1 = logical 0 tf2 = logical 0 tf = logical 0 x1 = 3 x2 = 1 tf1 = logical 1 tf2 = logical 0 tf = logical 0

4   Pass
x = 11; assert(isequal(isextrasafe(x),true))

tf1 = logical 0 tf2 = logical 0 tf = logical 0 x1 = 5 x2 = 2 tf1 = logical 1 tf2 = logical 1 tf = logical 1

5   Pass
x = 15; assert(isequal(isextrasafe(x),false))

tf1 = logical 0 tf2 = logical 0 tf = logical 0

6   Pass
x = 23; assert(isequal(isextrasafe(x),true))

tf1 = logical 0 tf2 = logical 0 tf = logical 0 x1 = 11 x2 = 5 tf1 = logical 1 tf2 = logical 1 tf = logical 1

7   Pass
x = 71; assert(isequal(isextrasafe(x),false))

tf1 = logical 0 tf2 = logical 0 tf = logical 0 x1 = 35 x2 = 17 tf1 = logical 0 tf2 = logical 1 tf = logical 0

8   Pass
x = 719; assert(isequal(isextrasafe(x),true))

tf1 = logical 0 tf2 = logical 0 tf = logical 0 x1 = 359 x2 = 179 tf1 = logical 1 tf2 = logical 1 tf = logical 1

9   Pass
x = 2039; assert(isequal(isextrasafe(x),true))

tf1 = logical 0 tf2 = logical 0 tf = logical 0 x1 = 1019 x2 = 509 tf1 = logical 1 tf2 = logical 1 tf = logical 1

10   Pass
x = 2040; assert(isequal(isextrasafe(x),false))

tf1 = logical 0 tf2 = logical 0 tf = logical 0

11   Pass
x = 5807; assert(isequal(isextrasafe(x),true))

tf1 = logical 0 tf2 = logical 0 tf = logical 0 x1 = 2903 x2 = 1451 tf1 = logical 1 tf2 = logical 1 tf = logical 1