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Diffstat (limited to 'sys/vops/alim.gx')
| -rw-r--r-- | sys/vops/alim.gx | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/sys/vops/alim.gx b/sys/vops/alim.gx new file mode 100644 index 00000000..2e9cbf56 --- /dev/null +++ b/sys/vops/alim.gx @@ -0,0 +1,28 @@ +# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc. + +# ALIM -- Compute the limits (minimum and maximum values) of a vector. + +procedure alim$t (a, npix, minval, maxval) + +PIXEL a[ARB], minval, maxval, value +int npix, i + +begin + minval = a[1] + maxval = a[1] + + do i = 1, npix { + value = a[i] + $if (datatype == x) + if (abs(value) < abs(minval)) + minval = value + else if (abs(value) > abs(maxval)) + maxval = value + $else + if (value < minval) + minval = value + else if (value > maxval) + maxval = value + $endif + } +end |