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authorUlrich Drepper <drepper@redhat.com>2001-04-18 04:49:34 +0000
committerUlrich Drepper <drepper@redhat.com>2001-04-18 04:49:34 +0000
commit01608292818847e1d1aa69dc0d24104a67a193e3 (patch)
treec2caefbbc2d860ca9dcb44572ff584447e136a6c /sysdeps
parentddad941ea4bd020f6af4174822f991b38872bb9b (diff)
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Update.
* sysdeps/unix/sysv/linux/i386/get_clockfreq.c (__get_clockfreq): Handle kernels which report only three digits after the decimal point. Reported by Van Okamura <van.okamura@oracle.com>.
Diffstat (limited to 'sysdeps')
-rw-r--r--sysdeps/alpha/fpu/libm-test-ulps4
-rw-r--r--sysdeps/unix/sysv/linux/i386/get_clockfreq.c14
2 files changed, 15 insertions, 3 deletions
diff --git a/sysdeps/alpha/fpu/libm-test-ulps b/sysdeps/alpha/fpu/libm-test-ulps
index 6d664c8..70a0f08 100644
--- a/sysdeps/alpha/fpu/libm-test-ulps
+++ b/sysdeps/alpha/fpu/libm-test-ulps
@@ -770,8 +770,8 @@ idouble: 1
ifloat: 2
Function: "atan2":
-float: 3
-ifloat: 3
+float: 4
+ifloat: 4
Function: "atanh":
double: 1
diff --git a/sysdeps/unix/sysv/linux/i386/get_clockfreq.c b/sysdeps/unix/sysv/linux/i386/get_clockfreq.c
index ec6c174..4d7303a 100644
--- a/sysdeps/unix/sysv/linux/i386/get_clockfreq.c
+++ b/sysdeps/unix/sysv/linux/i386/get_clockfreq.c
@@ -1,5 +1,5 @@
/* Get frequency of the system processor. i386/Linux version.
- Copyright (C) 2000 Free Software Foundation, Inc.
+ Copyright (C) 2000, 2001 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -30,6 +30,8 @@ __get_clockfreq (void)
/* We read the information from the /proc filesystem. It contains at
least one line like
cpu MHz : 497.840237
+ or also
+ cpu MHz : 497.841
We search for this line and convert the number in an integer. */
static unsigned long long int result;
int fd;
@@ -54,6 +56,8 @@ __get_clockfreq (void)
if (__builtin_expect (mhz != NULL, 1))
{
char *endp = buf + n;
+ int seen_decpoint = 0;
+ int ndigits = 0;
/* Search for the beginning of the string. */
while (mhz < endp && (*mhz < '0' || *mhz > '9') && *mhz != '\n')
@@ -65,10 +69,18 @@ __get_clockfreq (void)
{
result *= 10;
result += *mhz - '0';
+ if (seen_decpoint)
+ ++ndigits;
}
+ else if (*mhz == '.')
+ seen_decpoint = 1;
++mhz;
}
+
+ /* Compensate for missing digits at the end. */
+ while (ndigits++ < 6)
+ result *= 10;
}
}