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gh-101410: Customize error messages for 1-arg math functions (#129497)

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This also reverts loghelper() change in 75f59bb629 for integer
input.  The error message shouldn't include argument value here.

Co-authored-by: Victor Stinner <vstinner@python.org>
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Sergey B Kirpichev 2025-04-22 12:29:20 +03:00 • committed by GitHub
parent bf3a0a1c0f
commit d0660a9a40
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5 changed files with 42 additions and 26 deletions
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42
Modules/mathmodule.c
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@ -1076,17 +1076,20 @@ math_2(PyObject *const *args, Py_ssize_t nargs,
}\
PyDoc_STRVAR(math_##funcname##_doc, docstring);
FUNC1(acos, acos, 0,
FUNC1D(acos, acos, 0,
"acos($module, x, /)\n--\n\n"
"Return the arc cosine (measured in radians) of x.\n\n"
"The result is between 0 and pi.")
FUNC1(acosh, acosh, 0,
"The result is between 0 and pi.",
"expected a number in range from -1 up to 1, got %s")
FUNC1D(acosh, acosh, 0,
"acosh($module, x, /)\n--\n\n"
"Return the inverse hyperbolic cosine of x.")
FUNC1(asin, asin, 0,
"Return the inverse hyperbolic cosine of x.",
"expected argument value not less than 1, got %s")
FUNC1D(asin, asin, 0,
"asin($module, x, /)\n--\n\n"
"Return the arc sine (measured in radians) of x.\n\n"
"The result is between -pi/2 and pi/2.")
"The result is between -pi/2 and pi/2.",
"expected a number in range from -1 up to 1, got %s")
FUNC1(asinh, asinh, 0,
"asinh($module, x, /)\n--\n\n"
"Return the inverse hyperbolic sine of x.")
@ -1147,9 +1150,10 @@ FUNC2(copysign, copysign,
"Return a float with the magnitude (absolute value) of x but the sign of y.\n\n"
"On platforms that support signed zeros, copysign(1.0, -0.0)\n"
"returns -1.0.\n")
FUNC1(cos, cos, 0,
FUNC1D(cos, cos, 0,
"cos($module, x, /)\n--\n\n"
"Return the cosine of x (measured in radians).")
"Return the cosine of x (measured in radians).",
"expected a finite input, got %s")
FUNC1(cosh, cosh, 1,
"cosh($module, x, /)\n--\n\n"
"Return the hyperbolic cosine of x.")
@ -1213,23 +1217,26 @@ math_floor(PyObject *module, PyObject *number)
FUNC1AD(gamma, m_tgamma,
"gamma($module, x, /)\n--\n\n"
"Gamma function at x.",
"expected a float or nonnegative integer, got %s")
FUNC1A(lgamma, m_lgamma,
"expected a noninteger or positive integer, got %s")
FUNC1AD(lgamma, m_lgamma,
"lgamma($module, x, /)\n--\n\n"
"Natural logarithm of absolute value of Gamma function at x.")
FUNC1(log1p, m_log1p, 0,
"Natural logarithm of absolute value of Gamma function at x.",
"expected a noninteger or positive integer, got %s")
FUNC1D(log1p, m_log1p, 0,
"log1p($module, x, /)\n--\n\n"
"Return the natural logarithm of 1+x (base e).\n\n"
"The result is computed in a way which is accurate for x near zero.")
"The result is computed in a way which is accurate for x near zero.",
"expected argument value > -1, got %s")
FUNC2(remainder, m_remainder,
"remainder($module, x, y, /)\n--\n\n"
"Difference between x and the closest integer multiple of y.\n\n"
"Return x - n*y where n*y is the closest integer multiple of y.\n"
"In the case where x is exactly halfway between two multiples of\n"
"y, the nearest even value of n is used. The result is always exact.")
FUNC1(sin, sin, 0,
FUNC1D(sin, sin, 0,
"sin($module, x, /)\n--\n\n"
"Return the sine of x (measured in radians).")
"Return the sine of x (measured in radians).",
"expected a finite input, got %s")
FUNC1(sinh, sinh, 1,
"sinh($module, x, /)\n--\n\n"
"Return the hyperbolic sine of x.")
@ -1237,9 +1244,10 @@ FUNC1D(sqrt, sqrt, 0,
"sqrt($module, x, /)\n--\n\n"
"Return the square root of x.",
"expected a nonnegative input, got %s")
FUNC1(tan, tan, 0,
FUNC1D(tan, tan, 0,
"tan($module, x, /)\n--\n\n"
"Return the tangent of x (measured in radians).")
"Return the tangent of x (measured in radians).",
"expected a finite input, got %s")
FUNC1(tanh, tanh, 0,
"tanh($module, x, /)\n--\n\n"
"Return the hyperbolic tangent of x.")