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Issue #21902: Replace incorrect 'hyperbolic arc sine' (etc.) with 'inverse hyperbolic sine' (etc.). Remove meaningless reference to radians.

This commit is contained in:
Mark Dickinson 2015-01-11 13:08:05 +00:00
parent bcf8554fd4
commit dfe0b2326b
3 changed files with 10 additions and 10 deletions
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8
Doc/library/cmath.rst
View File

@ -149,13 +149,13 @@ Hyperbolic functions
.. function:: acosh(x)
Return the hyperbolic arc cosine of *x*. There is one branch cut, extending left
from 1 along the real axis to -∞, continuous from above.
Return the inverse hyperbolic cosine of *x*. There is one branch cut,
extending left from 1 along the real axis to -∞, continuous from above.
.. function:: asinh(x)
Return the hyperbolic arc sine of *x*. There are two branch cuts:
Return the inverse hyperbolic sine of *x*. There are two branch cuts:
One extends from ``1j`` along the imaginary axis to ``∞j``,
continuous from the right. The other extends from ``-1j`` along
the imaginary axis to ``-∞j``, continuous from the left.
@ -163,7 +163,7 @@ Hyperbolic functions
.. function:: atanh(x)
Return the hyperbolic arc tangent of *x*. There are two branch cuts: One
Return the inverse hyperbolic tangent of *x*. There are two branch cuts: One
extends from ``1`` along the real axis to ``∞``, continuous from below. The
other extends from ``-1`` along the real axis to ``-∞``, continuous from
above.

6
Modules/cmathmodule.c
View File

@ -192,7 +192,7 @@ c_acosh(Py_complex z)
PyDoc_STRVAR(c_acosh_doc,
"acosh(x)\n"
"\n"
"Return the hyperbolic arccosine of x.");
"Return the inverse hyperbolic cosine of x.");
static Py_complex
@ -249,7 +249,7 @@ c_asinh(Py_complex z)
PyDoc_STRVAR(c_asinh_doc,
"asinh(x)\n"
"\n"
"Return the hyperbolic arc sine of x.");
"Return the inverse hyperbolic sine of x.");
static Py_complex
@ -353,7 +353,7 @@ c_atanh(Py_complex z)
PyDoc_STRVAR(c_atanh_doc,
"atanh(x)\n"
"\n"
"Return the hyperbolic arc tangent of x.");
"Return the inverse hyperbolic tangent of x.");
static Py_complex

6
Modules/mathmodule.c
View File

@ -873,18 +873,18 @@ math_2(PyObject *args, double (*func) (double, double), char *funcname)
FUNC1(acos, acos, 0,
"acos(x)\n\nReturn the arc cosine (measured in radians) of x.")
FUNC1(acosh, m_acosh, 0,
"acosh(x)\n\nReturn the hyperbolic arc cosine (measured in radians) of x.")
"acosh(x)\n\nReturn the inverse hyperbolic cosine of x.")
FUNC1(asin, asin, 0,
"asin(x)\n\nReturn the arc sine (measured in radians) of x.")
FUNC1(asinh, m_asinh, 0,
"asinh(x)\n\nReturn the hyperbolic arc sine (measured in radians) of x.")
"asinh(x)\n\nReturn the inverse hyperbolic sine of x.")
FUNC1(atan, atan, 0,
"atan(x)\n\nReturn the arc tangent (measured in radians) of x.")
FUNC2(atan2, m_atan2,
"atan2(y, x)\n\nReturn the arc tangent (measured in radians) of y/x.\n"
"Unlike atan(y/x), the signs of both x and y are considered.")
FUNC1(atanh, m_atanh, 0,
"atanh(x)\n\nReturn the hyperbolic arc tangent (measured in radians) of x.")
"atanh(x)\n\nReturn the inverse hyperbolic tangent of x.")
static PyObject * math_ceil(PyObject *self, PyObject *number) {
_Py_IDENTIFIER(__ceil__);