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| author | Charles Harris <charlesr.harris@gmail.com> | 2015-10-04 13:18:43 -0600 |
|---|---|---|
| committer | Charles Harris <charlesr.harris@gmail.com> | 2015-10-05 09:58:30 -0600 |
| commit | b6a8b35d13ce712272824af31d465ca437b9cd0e (patch) | |
| tree | 19bc717471d15d35941af4960c3ccd2c5411ac8c /numpy/random | |
| parent | 7c1f44fd07917b3a2fac483c2263edd67b490eda (diff) | |
| download | numpy-b6a8b35d13ce712272824af31d465ca437b9cd0e.tar.gz | |
DOC: Update RandomState guarantee to be more explicit.
Diffstat (limited to 'numpy/random')
| -rw-r--r-- | numpy/random/mtrand/mtrand.pyx | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/numpy/random/mtrand/mtrand.pyx b/numpy/random/mtrand/mtrand.pyx index fb325d9c1..cd50c4968 100644 --- a/numpy/random/mtrand/mtrand.pyx +++ b/numpy/random/mtrand/mtrand.pyx @@ -587,11 +587,14 @@ cdef class RandomState: array filled with generated values is returned. If `size` is a tuple, then an array with that shape is filled and returned. - * Compatibility Guarantee* - A fixed seed and a fixed series of calls to 'RandomState' methods will - always produce the same results regardless of platform or numpy - version. Small differences in floating point values may occur due to - rounding differences between compilers. + *Compatibility Guarantee* + A fixed seed and a fixed series of calls to 'RandomState' methods using + the same parameters will always produce the same results up to roundoff + error except when the values were incorrect. Incorrect values will be + fixed and the NumPy version in which the fix was made will be noted in + the relevant docstring. Extension of existing parameter ranges and the + addition of new parameters is allowed as long the previous behavior + remains unchanged. Parameters ---------- |