R Under development (unstable) (2023-11-08 r85496 ucrt) -- "Unsuffered Consequences"
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> ##
> ##  ma g i c . R -- Test suite
> ##
> 
> 
> magic <- pracma::magic
> 
> identical(magic(3), matrix(c(8, 1, 6,
+                              3, 5, 7,
+                              4, 9, 2), nrow = 3, ncol = 3, byrow = TRUE))
[1] TRUE
> 
> identical(magic(4), matrix(c(16,  2,  3, 13,
+                               5, 11, 10,  8,
+                               9,  7,  6, 12,
+                               4, 14, 15,  1),
+                             nrow = 4, ncol = 4, byrow = TRUE))
[1] TRUE
> 
> identical(magic(6), matrix(c(35,  1,  6, 26, 19, 24,
+                               3, 32,  7, 21, 23, 25,
+                              31,  9,  2, 22, 27, 20,
+                               8, 28, 33, 17, 10, 15,
+                              30,  5, 34, 12, 14, 16,
+                               4, 36, 29, 13, 18, 11),
+                            nrow = 6, ncol = 6, byrow = TRUE))
[1] TRUE
> 
> identical(magic(10), matrix(c(92, 99,  1,  8, 15, 67, 74, 51, 58, 40,
+                               98, 80,  7, 14, 16, 73, 55, 57, 64, 41,
+                                4, 81, 88, 20, 22, 54, 56, 63, 70, 47,
+                               85, 87, 19, 21,  3, 60, 62, 69, 71, 28,
+                               86, 93, 25,  2,  9, 61, 68, 75, 52, 34,
+                               17, 24, 76, 83, 90, 42, 49, 26, 33, 65,
+                               23,  5, 82, 89, 91, 48, 30, 32, 39, 66,
+                               79,  6, 13, 95, 97, 29, 31, 38, 45, 72,
+                               10, 12, 94, 96, 78, 35, 37, 44, 46, 53,
+                               11, 18,100, 77, 84, 36, 43, 50, 27, 59),
+                             nrow = 10, ncol = 10, byrow = TRUE))
[1] TRUE
> 
> proc.time()
   user  system elapsed 
   0.12    0.04    0.15