[patch] scalb.3: fix prototypes for scalbf and scalbl

[patch] scalb.3: fix prototypes for scalbf and scalbl

[Mark H Weaver]

The prototypes for scalbf and scalbl given in scalb.3 are incorrect.
If you have doubts, try compiling the following code:

  #include <math.h>
  double scalb(double x, double exp);
  float scalbf(float x, double exp);
  long double scalbl(long double x, double exp);

To gain confidence that the prototypes below are correct, compile the
following:

  #include <math.h>
  double scalb(double x, double exp);
  float scalbf(float x, float exp);
  long double scalbl(long double x, long double exp);

Or search for man pages from other sources, e.g.:

  http://www.unix.com/man-page/OpenSolaris/3m/scalbf/
  http://docs.oracle.com/cd/E26505_01/html/816-5172/scalb-3m.html

The patch below fixes these mistakes.

     Thanks,
       Mark


diff --git a/man3/scalb.3 b/man3/scalb.3
index 990c0bf..a5b2e5b 100644
--- a/man3/scalb.3
+++ b/man3/scalb.3
@@ -33,9 +33,9 @@ by integral power of radix (OBSOLETE)
 .sp
 .BI "double scalb(double " x ", double " exp );
 .br
-.BI "float scalbf(float " x ", double " exp );
+.BI "float scalbf(float " x ", float " exp );
 .br
-.BI "long double scalbl(long double " x ", double " exp );
+.BI "long double scalbl(long double " x ", long double " exp );
 .sp
 Link with \fI\-lm\fP.
 .sp
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Re: [patch] scalb.3: fix prototypes for scalbf and scalbl

[Michael Kerrisk (man-pages)]

On Sat, Mar 23, 2013 at 5:06 AM, Mark H Weaver <mhw-StlzRsPvAncdnm+yROfE0A@public.gmane.org> wrote:
> The prototypes for scalbf and scalbl given in scalb.3 are incorrect.
> If you have doubts, try compiling the following code:
>
>   #include <math.h>
>   double scalb(double x, double exp);
>   float scalbf(float x, double exp);
>   long double scalbl(long double x, double exp);
>
> To gain confidence that the prototypes below are correct, compile the
> following:
>
>   #include <math.h>
>   double scalb(double x, double exp);
>   float scalbf(float x, float exp);
>   long double scalbl(long double x, long double exp);
>
> Or search for man pages from other sources, e.g.:
>
>   http://www.unix.com/man-page/OpenSolaris/3m/scalbf/
>   http://docs.oracle.com/cd/E26505_01/html/816-5172/scalb-3m.html
>
> The patch below fixes these mistakes.

Thanks Mark. Applied.

Cheers,

Michael


> diff --git a/man3/scalb.3 b/man3/scalb.3
> index 990c0bf..a5b2e5b 100644
> --- a/man3/scalb.3
> +++ b/man3/scalb.3
> @@ -33,9 +33,9 @@ by integral power of radix (OBSOLETE)
>  .sp
>  .BI "double scalb(double " x ", double " exp );
>  .br
> -.BI "float scalbf(float " x ", double " exp );
> +.BI "float scalbf(float " x ", float " exp );
>  .br
> -.BI "long double scalbl(long double " x ", double " exp );
> +.BI "long double scalbl(long double " x ", long double " exp );
>  .sp
>  Link with \fI\-lm\fP.
>  .sp



-- 
Michael Kerrisk
Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/
Author of "The Linux Programming Interface"; http://man7.org/tlpi/
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