specialFourfold(String,ZZ) -- load a prebuilt example of fourfold

• Function: specialFourfold

• Usage:

  specialFourfold(str,i)

• Inputs:
  • str, a string, such as "prebuilt-example-in-P5" or "prebuilt-example-in-P7".
  • i, an integer
• Optional inputs:
  • InputCheck => ..., default value 1, make a Hodge-special fourfold
  • NumNodes => ..., default value null, make a Hodge-special fourfold
  • Verbose => ..., default value false, request verbose feedback
• Outputs:
  • a Hodge-special fourfold, the i-th example of fourfold in accordance with some classification (e.g., specialFourfold("prebuilt-example-in-P5",i) is the same as source trisecantFlop(i).