Express tests tolerances for exhaustive tests relative to the accuracy and subnormal boundary of the data type.

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Express tests tolerances for exhaustive tests relative to the accuracy and subnormal boundary of the data type.

The following table shows the default absolute and relative error tolerances for each numeric datatype.

Type	atol before	rtol before	atol after	rtol after
double	1e-4	1e-4	4.45e-308	1.11e-14
float	1e-4	1e-4	2.35e-38	5.96e-6
float16	1e-3	1e-3	1.22e-4	5e-4
bfloat16	2e-3	2e-2	2.35e-38	1.6e-2
complex	1e-4	1e-4	4.45e-308	1.11e-14
complex	1e-4	1e-4	2.35e-38	5.96e-6