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2 Commits

Author SHA1 Message Date
Damien George
49f81d5046 tests/float/math_constants.py: Test actual e and pi constant values.
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The existing test for `math.e` and `math.pi` constants can fail on certain
targets if the functions `math.exp()` and/or `math.cos()` are not accurate
enough (eg out by an LSB of float precision).  For example this test
currently fails on PYBD_SF6 which uses double precision floats (and that's
due to the `lib/libm_dbl/exp.c` implementation not being exact).

This commit changes this constant test so that it tests the actual constant
value, not the evaluation of `exp()` and `cos()` functions.

Signed-off-by: Damien George <damien@micropython.org>
2025-05-22 17:19:03 +10:00
stijn
dd6967202a py/modmath: Add math.tau, math.nan and math.inf constants.
Configurable by the new MICROPY_PY_MATH_CONSTANTS option.
2022-01-23 09:28:33 +11:00