diff options
Diffstat (limited to 'lib/msun/man/exp.3')
| -rw-r--r-- | lib/msun/man/exp.3 | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/lib/msun/man/exp.3 b/lib/msun/man/exp.3 index 2ebaeb2..7885eed 100644 --- a/lib/msun/man/exp.3 +++ b/lib/msun/man/exp.3 @@ -89,7 +89,7 @@ functions compute the exponential value of the given argument .Pp The .Fn expm1 -and the +and the .Fn expm1f functions compute the value exp(x)\-1 accurately even for tiny argument .Fa x . @@ -98,7 +98,7 @@ The .Fn log and the .Fn logf -functions compute the value of the natural logarithm of argument +functions compute the value of the natural logarithm of argument .Fa x . .Pp The @@ -131,12 +131,12 @@ to the exponent .Fn log x , .Fn expm1 x and -.Fn log1p x -are accurate to within +.Fn log1p x +are accurate to within an .Em ulp , and -.Fn log10 x +.Fn log10 x to within about 2 .Em ulps ; an @@ -268,10 +268,10 @@ infinite or \*(Na) before computing x**0 cannot care whether 0**0 = 1 or not. Any program that depends upon 0**0 to be invalid is dubious anyway since that -expression's meaning and, if invalid, its consequences +expression's meaning and, if invalid, its consequences vary from one computer system to another. .It -Some Algebra texts (e.g. Sigler's) define x**0 = 1 for +Some Algebra texts (e.g. Sigler's) define x**0 = 1 for all x, including x = 0. This is compatible with the convention that accepts a[0] as the value of polynomial @@ -289,7 +289,7 @@ The reason for setting 0**0 = 1 anyway is this: If x(z) and y(z) are .Em any functions analytic (expandable -in power series) in z around z = 0, and if there +in power series) in z around z = 0, and if there x(0) = y(0) = 0, then x(z)**y(z) \(-> 1 as z \(-> 0. .Ed .It |
