Best Python code snippet using hypothesis
array_api.py
Source: array_api.py
...160 check_xp_attributes(xp, ["iinfo", "finfo"])161 if isinstance(dtype, str):162 dtype = dtype_from_name(xp, dtype)163 builtin = find_castable_builtin_for_dtype(xp, dtype)164 def check_valid_minmax(prefix, val, info_obj):165 name = f"{prefix}_value"166 check_valid_bound(val, name)167 check_argument(168 val >= info_obj.min,169 f"dtype={dtype} requires {name}={val} to be at least {info_obj.min}",170 )171 check_argument(172 val <= info_obj.max,173 f"dtype={dtype} requires {name}={val} to be at most {info_obj.max}",174 )175 if builtin is bool:176 return st.booleans()177 elif builtin is int:178 iinfo = xp.iinfo(dtype)179 if min_value is None:180 min_value = iinfo.min181 if max_value is None:182 max_value = iinfo.max183 check_valid_integer(min_value, "min_value")184 check_valid_integer(max_value, "max_value")185 assert isinstance(min_value, int)186 assert isinstance(max_value, int)187 check_valid_minmax("min", min_value, iinfo)188 check_valid_minmax("max", max_value, iinfo)189 check_valid_interval(min_value, max_value, "min_value", "max_value")190 return st.integers(min_value=min_value, max_value=max_value)191 else:192 finfo = xp.finfo(dtype)193 kw = {}194 # Whilst we know the boundary values of float dtypes from finfo, we do195 # not assign them to the floats() strategy by default - passing min/max196 # values will modify test case reduction behaviour so that simple bugs197 # may become harder for users to identify. We plan to improve floats()198 # behaviour in https://github.com/HypothesisWorks/hypothesis/issues/2907.199 # Setting width should manage boundary values for us anyway.200 if min_value is not None:201 check_valid_bound(min_value, "min_value")202 assert isinstance(min_value, Real)203 check_valid_minmax("min", min_value, finfo)204 kw["min_value"] = min_value205 if max_value is not None:206 check_valid_bound(max_value, "max_value")207 assert isinstance(max_value, Real)208 check_valid_minmax("max", max_value, finfo)209 if min_value is not None:210 check_valid_interval(min_value, max_value, "min_value", "max_value")211 kw["max_value"] = max_value212 # We infer whether an array module will flush subnormals to zero, as may213 # be the case when libraries are built with compiler options that214 # violate IEEE-754 (e.g. -ffast-math and -ftz=true). Note we do this for215 # the specific dtype, as compilers may end up flushing subnormals for216 # one float but supporting subnormals for the other.217 #218 # By default, floats() will generate subnormals if they are in the219 # inferred values range. If we have detected that xp flushes to zero for220 # the passed dtype, we ensure from_dtype() will not generate subnormals221 # by default.222 if allow_subnormal is not None:...
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