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author | rsiddharth <rsiddharth@ninthfloor.org> | 2016-03-12 11:37:03 -0500 |
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committer | rsiddharth <rsiddharth@ninthfloor.org> | 2016-03-12 11:37:03 -0500 |
commit | 94758d69d5ef1eccf39842fb806e736b31387fa6 (patch) | |
tree | a2a509c4b41089daed52c88a4112ddc4f3f45d03 /sicp.org | |
parent | 1375cccf75aee17bbe576a744583ed9e7f7d939e (diff) |
Tried answering 1.1.6
Diffstat (limited to 'sicp.org')
-rw-r--r-- | sicp.org | 11 |
1 files changed, 11 insertions, 0 deletions
@@ -46,3 +46,14 @@ order*, the expression will be expanded to #+END_SRC and will evaluate to ~0~. +*** 6 + If I've understood it correctly, scheme uses applicative-order + evaluation, meaning, it evaluates the operands before appling the + procedure. + + In the case when ~new-if~ used in the ~sqrt-iter~ procedure, the + operands/arguments for the ~new-if~ -- ~(good-enough? guess x)~, + ~guess~, ~(sqrt-iter (improve guess x) x)~ -- are evaluated. Due + to the last operand, which is a call to the ~sqrt-iter~ procedure, + we get into infinite loop of evaluating the ~sqrt-iter~ procedure + again and again. |