FilesExpand file tree

 master

/

math_domain_special.py

Copy path

Blame

More file actions

Blame

More file actions

Latest commit

 

History

History

History

36 lines (33 loc) · 932 Bytes

 master

/

math_domain_special.py

Copy path

Top

File metadata and controls

• Code
• Blame

36 lines (33 loc) · 932 Bytes

Raw

Copy raw file

Download raw file

Open symbols panel

Edit and raw actions

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

# Tests domain errors in special math functions

try:

import math

math.erf

except (ImportError, AttributeError):

print("SKIP")

raise SystemExit

inf = float('inf')

nan = float('nan')

# single argument functions

for name, f, args in (

('expm1', math.exp, ()),

('log2', math.log2, (-1, 0)),

('log10', math.log10, (-1, 0)),

('sinh', math.sinh, ()),

('cosh', math.cosh, ()),

('tanh', math.tanh, ()),

('asinh', math.asinh, ()),

('acosh', math.acosh, (-1, 0.9, 1)),

('atanh', math.atanh, (-1, 1)),

('erf', math.erf, ()),

('erfc', math.erfc, ()),

('gamma', math.gamma, (-2, -1, 0, 1)),

('lgamma', math.lgamma, (-2, -1, 0, 1)),

):

for x in args + (inf, nan):

try:

ans = f(x)

print('%.4f' % ans)

except ValueError:

print(name, 'ValueError')

except OverflowError:

print(name, 'OverflowError')