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[doc] Guard values with "ti.approx" in "docs/write_test.rst" to allow FP-error tolerance #1911

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merged 7 commits into from
Oct 3, 2020
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[doc] Guard values with "ti.approx" in "docs/write_test.rst" to allow FP-error tolerance #1911

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be1d7d7
[doc] Use "atan2(y, x)" instead of "atan2(x, y)" (#1816)
new-TonyWang Sep 28, 2020
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new-TonyWang Sep 28, 2020
5000746
[doc] Use "r[None] = ti.atan2(r[None], s[None])" instead of "r[None] …
new-TonyWang Sep 28, 2020
aab77b4
[doc] Use "r[None] = ti.atan2(r[None], s[None])" instead of "r[None] …
new-TonyWang Sep 28, 2020
d950a37
Merge remote-tracking branch 'origin/master'
new-TonyWang Sep 28, 2020
f3df8ef
[doc] Use "ti.approx(r[None])" instead of some "r[None]" in "docs/wri…
new-TonyWang Sep 30, 2020
b2e35b9
Merge branch 'master' into master
rexwangcc Oct 3, 2020
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12 changes: 6 additions & 6 deletions docs/write_test.rst
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Original file line number Diff line number Diff line change
Expand Up @@ -154,7 +154,7 @@ We may test against different input values using the ``@pytest.mark.parametrize`

r[None] = x
foo()
assert r[None] == math.log10(x)
assert ti.approx(r[None]) == math.log10(x)

Use a comma-separated list for multiple input values:

Expand All @@ -174,10 +174,10 @@ Use a comma-separated list for multiple input values:
def foo():
r[None] = ti.atan2(r[None], s[None])

r[None] = x
s[None] = y
r[None] = y
s[None] = x
foo()
assert r[None] == math.atan2(y, x)
assert ti.approx(r[None]) == math.atan2(y, x)

Use two separate ``parametrize`` to test **all combinations** of input arguments:

Expand All @@ -187,8 +187,8 @@ Use two separate ``parametrize`` to test **all combinations** of input arguments
import pytest
import math

@pytest.mark.parametrize('x', [1, 2])
@pytest.mark.parametrize('y', [1, 2])
@pytest.mark.parametrize('x', [1, 2])
# same as: .parametrize('y,x', [(1, 1), (1, 2), (2, 1), (2, 2)])
@ti.test()
def test_atan2(y, x):
Expand All @@ -202,7 +202,7 @@ Use two separate ``parametrize`` to test **all combinations** of input arguments
r[None] = y
s[None] = x
foo()
assert r[None] == math.atan2(y, x)
assert ti.approx(r[None]) == math.atan2(y, x)

Specifying ``ti.init`` configurations
*************************************
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