Commit f3d95494 authored by Richard M. Stallman's avatar Richard M. Stallman
Browse files

(Math Functions): asin, acos, log, log10 report domain-error errors.

parent 1ee89891
...@@ -1047,8 +1047,8 @@ pi/2 ...@@ -1047,8 +1047,8 @@ pi/2
@tex @tex
@math{\pi/2} @math{\pi/2}
@end tex @end tex
(inclusive) whose sine is @var{arg}; if, however, @var{arg} (inclusive) whose sine is @var{arg}; if, however, @var{arg} is out of
is out of range (outside [-1, 1]), then the result is a NaN. range (outside [-1, 1]), it signals a @code{domain-error} error.
@end defun @end defun
@defun acos arg @defun acos arg
...@@ -1059,8 +1059,8 @@ pi ...@@ -1059,8 +1059,8 @@ pi
@tex @tex
@math{\pi} @math{\pi}
@end tex @end tex
(inclusive) whose cosine is @var{arg}; if, however, @var{arg} (inclusive) whose cosine is @var{arg}; if, however, @var{arg} is out
is out of range (outside [-1, 1]), then the result is a NaN. of range (outside [-1, 1]), it signals a @code{domain-error} error.
@end defun @end defun
@defun atan y &optional x @defun atan y &optional x
...@@ -1112,8 +1112,8 @@ If you don't specify @var{base}, the base ...@@ -1112,8 +1112,8 @@ If you don't specify @var{base}, the base
@ifnottex @ifnottex
@i{e} @i{e}
@end ifnottex @end ifnottex
is used. If @var{arg} is used. If @var{arg} is negative, it signals a @code{domain-error}
is negative, the result is a NaN. error.
@end defun @end defun
@ignore @ignore
...@@ -1132,8 +1132,9 @@ lose accuracy. ...@@ -1132,8 +1132,9 @@ lose accuracy.
@defun log10 arg @defun log10 arg
This function returns the logarithm of @var{arg}, with base 10. If This function returns the logarithm of @var{arg}, with base 10. If
@var{arg} is negative, the result is a NaN. @code{(log10 @var{x})} @var{arg} is negative, it signals a @code{domain-error} error.
@equiv{} @code{(log @var{x} 10)}, at least approximately. @code{(log10 @var{x})} @equiv{} @code{(log @var{x} 10)}, at least
approximately.
@end defun @end defun
@defun expt x y @defun expt x y
......
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