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superduper
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the exercise 1.6 in "structure and interpretation of computer programs" goes into a infinite loop. Any ideas?
 3 years ago
 3 years ago
superduper Group Title
the exercise 1.6 in "structure and interpretation of computer programs" goes into a infinite loop. Any ideas?
 3 years ago
 3 years ago

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superduper Group TitleBest ResponseYou've already chosen the best response.0
as i use the "newif" provided in this exercise instead of "if" ，the "sqrtiter" goes into infinite loop. when i print the "guess" ， it print the right answer again and again. i can't figure out why. Help~~
 3 years ago

julie Group TitleBest ResponseYou've already chosen the best response.1
Thats because of applicative avaluation method. In this case all arguments of newif should be evaluated which leads to infinite evaluation of sqrtiter.
 3 years ago

superduper Group TitleBest ResponseYou've already chosen the best response.0
thank you :) As the book says "the interpreter first evaluates the operator and operands and then applies the resulting procedure to the resulting arguments". :P
 3 years ago
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