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* manual/string.texi: Correct prototype in memmem documentation.
This commit is contained in:
Ulrich Drepper 1997-04-12 23:59:36 +00:00
parent 6355131153
commit 9d8067d8f2
3 changed files with 29 additions and 31 deletions
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1
ChangeLog
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@ -170,6 +170,7 @@
* string/swab.c: Correctly handle array of odd length.
* sysdeps/generic/memmem.c: Update copyright.
* manual/string.texi: Correct prototype in memmem documentation.
1997-04-10 20:22 Ulrich Drepper <drepper@cygnus.com>

27
PROJECTS
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@ -57,33 +57,12 @@ contact <bug-glibc@prep.ai.mit.edu>
[ 7] Several math functions have to be written:
- exp2
- nearbyint
each with float, double, and long double arguments. Writing these
functions should be possible when following the implementation of
the existing exp/log functions for other bases.
each with float, double, and long double arguments.
Beside this most of the complex math functions which are new in
ISO C 9X. gcc already has support for numbers of complex type so the
implementation should be possible today. I mention here the names
and the way to write them (argument is z = x + iy):
- sin(z) = 1/(2i) (e^(iz) - e^-(iz)) = sin(x) cosh(y) + i cos(x) sinh(y)
- cos(z) = 1/2 (e^(iz) + e^-(iz)) = cos(x) cosh(y) - i sin(x) sinh(y)
- tan(z) = 1/i (e^(iz) - e^-(iz))/(e^(iz) + e^-(iz))
- cot(z) = i (e^(iz) + e^-(iz))/(e^(iz) - e^-(iz))
- asin(z) = -i ln(iz + sqrt(1-z^2))
- acos(z) = -i ln(z + sqrt(z^2-1))
- atan(z) = 1/(2i) ln((1+iz)/(1-iz))
- acot(z) = -1/(2i) ln((iz+1)/(iz-1))
- tanh(z) = (e^z - e^-z)/(e^z + e^-z)
- coth(z) = (e^z + e^-z)/(e^z - e^-z)
All functions should we written with all the parallelism in mind.
And assembler versions are highly expreciated since, e.g., the ix87
FPU provides an `fsincos' instructions which is certainly useful for
the `sin' function. The implementations for the normal math functions
shows other optimization techniques.
ISO C 9X should be improved. Writing some of them in assembler is
useful to exploit the parallelism which often is available.
[ 8] If you enjoy assembler programming (as I do --drepper :-) you might

30
config.guess vendored
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@ -68,7 +68,19 @@ case "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in
echo m68k-cbm-netbsd${UNAME_RELEASE}
exit 0 ;;
amiga:OpenBSD:*:*)
echo m68k-cbm-openbsd${UNAME_RELEASE}
echo m68k-unknown-openbsd${UNAME_RELEASE}
exit 0 ;;
arc:OpenBSD:*:*)
echo mips64el-unknown-openbsd${UNAME_RELEASE}
exit 0 ;;
laguna:OpenBSD:*:*)
echo mips64-unknown-openbsd${UNAME_RELEASE}
exit 0 ;;
pmax:OpenBSD:*:*)
echo mips64el-unknown-openbsd${UNAME_RELEASE}
exit 0 ;;
wgrisc:OpenBSD:*:*)
echo mips64el-unknown-openbsd${UNAME_RELEASE}
exit 0 ;;
arm:RISC*:1.[012]*:*|arm:riscix:1.[012]*:*)
echo arm-acorn-riscix${UNAME_RELEASE}
@ -118,19 +130,25 @@ case "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in
echo m68k-atari-netbsd${UNAME_RELEASE}
exit 0 ;;
atari*:OpenBSD:*:*)
echo m68k-atari-openbsd${UNAME_RELEASE}
echo m68k-unknown-openbsd${UNAME_RELEASE}
exit 0 ;;
sun3*:NetBSD:*:*)
echo m68k-sun-netbsd${UNAME_RELEASE}
exit 0 ;;
sun3*:OpenBSD:*:*)
echo m68k-sun-openbsd${UNAME_RELEASE}
echo m68k-unknown-openbsd${UNAME_RELEASE}
exit 0 ;;
mac68k:NetBSD:*:*)
echo m68k-apple-netbsd${UNAME_RELEASE}
exit 0 ;;
mac68k:OpenBSD:*:*)
echo m68k-apple-openbsd${UNAME_RELEASE}
echo m68k-unknown-openbsd${UNAME_RELEASE}
exit 0 ;;
mvme68k:OpenBSD:*:*)
echo m68k-unknown-openbsd${UNAME_RELEASE}
exit 0 ;;
mvme88k:OpenBSD:*:*)
echo m88k-unknown-openbsd${UNAME_RELEASE}
exit 0 ;;
powerpc:machten:*:*)
echo powerpc-apple-machten${UNAME_RELEASE}
@ -378,8 +396,8 @@ EOF
hp3[0-9][05]:NetBSD:*:*)
echo m68k-hp-netbsd${UNAME_RELEASE}
exit 0 ;;
hp3[0-9][05]:OpenBSD:*:*)
echo m68k-hp-openbsd${UNAME_RELEASE}
hp300:OpenBSD:*:*)
echo m68k-unknown-openbsd${UNAME_RELEASE}
exit 0 ;;
i?86:BSD/386:*:* | *:BSD/OS:*:*)
echo ${UNAME_MACHINE}-pc-bsdi${UNAME_RELEASE}