diff options
Diffstat (limited to 'src/algebra/carten.spad.pamphlet')
| -rw-r--r-- | src/algebra/carten.spad.pamphlet | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/src/algebra/carten.spad.pamphlet b/src/algebra/carten.spad.pamphlet index 65630dc3..6d7de173 100644 --- a/src/algebra/carten.spad.pamphlet +++ b/src/algebra/carten.spad.pamphlet @@ -262,7 +262,7 @@ CartesianTensor(minix, dim, R): Exports == Implementation where sample()==kroneckerDelta()$% int2index(n: Integer, indv: INDEX): INDEX == - n < 0 => error "Index error (too small)" + negative? n => error "Index error (too small)" rnk := #indv for i in 1..rnk repeat qr := divide(n, dim) @@ -275,7 +275,7 @@ CartesianTensor(minix, dim, R): Exports == Implementation where n: I := 0 for i in 1..#indv repeat ix := indv.i - minix - ix<0 or ix>dim-1 => error "Index error (out of range)" + negative? ix or ix>dim-1 => error "Index error (out of range)" n := dim*n + ix n @@ -392,7 +392,7 @@ CartesianTensor(minix, dim, R): Exports == Implementation where n: I := 0 for ii in i repeat ix := ii - minix - ix<0 or ix>dim-1 => error "Index error (out of range)" + negative? ix or ix>dim-1 => error "Index error (out of range)" n := dim*n + ix get(x,n) |