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| author | dos-reis <gdr@axiomatics.org> | 2011-03-13 03:43:50 +0000 |
|---|---|---|
| committer | dos-reis <gdr@axiomatics.org> | 2011-03-13 03:43:50 +0000 |
| commit | 11eebf207528f86dfa4556be3b2cc7cba57244a6 (patch) | |
| tree | 17c1ed9132ec874b14d2dcd137ac16a91e7a5b27 /src/algebra/fspace.spad.pamphlet | |
| parent | 6c75a87d8ee00d48a0f5703aa9c86591078a50d3 (diff) | |
| download | open-axiom-11eebf207528f86dfa4556be3b2cc7cba57244a6.tar.gz | |
* src/algebra/: Systematically use not zero? when comparing for
equality with 0.
Diffstat (limited to 'src/algebra/fspace.spad.pamphlet')
| -rw-r--r-- | src/algebra/fspace.spad.pamphlet | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/algebra/fspace.spad.pamphlet b/src/algebra/fspace.spad.pamphlet index 30c6fccd..684448f0 100644 --- a/src/algebra/fspace.spad.pamphlet +++ b/src/algebra/fspace.spad.pamphlet @@ -691,14 +691,14 @@ FunctionSpace(R: SetCategory): Category == Definition where u := third l arg := argument k ans:% := 0 - if (not member?(u,done)) and (ans := differentiate(u,x))~=0 then + if (not member?(u,done)) and not zero?(ans := differentiate(u,x)) then ans := ans * kernel(opdiff, [subst(expr, [kd], [kernel(opdiff, [first l, gg, gg])]), gg, u]) done := concat(gg, done) is?(k, opdiff) => ans + diffdiff0(arg, x, expr, k, done) for i in minIndex arg .. maxIndex arg for b in arg repeat - if (not member?(b,done)) and (bp:=differentiate(b,x))~=0 then + if (not member?(b,done)) and not zero?(bp:=differentiate(b,x)) then g := symsub(gendiff, i)::% ans := ans + bp * kernel(opdiff, [subst(expr, [kd], [kernel(opdiff, [substArg(op, arg, i, g), gg, u])]), g, b]) |