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2007-10-17 Jeff Johnston <jjohnstn@redhat.com> 

* libm/mathfp/s_logarithm.c: Fix case where input is 0 to
        return -inf.
        * libm/mathfp/sf_logarithm.c: Ditto.
This commit is contained in:
Jeff Johnston 2007-10-17 20:14:49 +00:00
parent ec828b8bf1
commit 923f9573a3
3 changed files with 8 additions and 2 deletions
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6
newlib/ChangeLog
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@ -1,3 +1,9 @@
2007-10-17 Jeff Johnston <jjohnstn@redhat.com>
* libm/mathfp/s_logarithm.c: Fix case where input is 0 to
return -inf.
* libm/mathfp/sf_logarithm.c: Ditto.
2007-10-17 Jeff Johnston <jjohnstn@redhat.com> 2007-10-17 Jeff Johnston <jjohnstn@redhat.com>
* libc/machine/i386/machine/fastmath.h: New file. * libc/machine/i386/machine/fastmath.h: New file.

2
newlib/libm/mathfp/s_logarithm.c
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@ -104,7 +104,7 @@ _DEFUN (logarithm, (double, int),
if (x <= 0.0) if (x <= 0.0)
{ {
errno = ERANGE; errno = ERANGE;
return (z_notanum.d); return (-z_infinity.d);
} }
/* Get the exponent and mantissa where x = f * 2^N. */ /* Get the exponent and mantissa where x = f * 2^N. */

2
newlib/libm/mathfp/sf_logarithm.c
View File

@ -42,7 +42,7 @@ _DEFUN (logarithmf, (float, int),
if (x <= 0.0) if (x <= 0.0)
{ {
errno = ERANGE; errno = ERANGE;
return (z_notanum_f.f); return (-z_infinity_f.f);
} }
/* Get the exponent and mantissa where x = f * 2^N. */ /* Get the exponent and mantissa where x = f * 2^N. */