Add benchmark inputs for atan
Add separate inputs for slow and fast paths of atan
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@ -1,5 +1,10 @@
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2013-04-03 Siddhesh Poyarekar <siddhesh@redhat.com>
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2013-04-03 Siddhesh Poyarekar <siddhesh@redhat.com>
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* benchtests/Makefile (bench): Add atan and slowatan.
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* benchtests/atan-inputs: New file.
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* benchtests/slowatan-inputs: New file.
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* benchtests/slowatan.c: New file.
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* sysdeps/ieee754/dbl-64/mpa.h (TWO): Remove definition.
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* sysdeps/ieee754/dbl-64/mpa.h (TWO): Remove definition.
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* sysdeps/ieee754/dbl-64/mpatan.c (__mpatan): Replace TWO with
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* sysdeps/ieee754/dbl-64/mpatan.c (__mpatan): Replace TWO with
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its value.
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its value.
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@ -45,7 +45,7 @@
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# See pow-inputs for an example.
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# See pow-inputs for an example.
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subdir := benchtests
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subdir := benchtests
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bench := exp pow rint sin slowexp slowpow slowsin
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bench := exp pow rint sin atan slowexp slowpow slowsin slowatan
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# exp function fast path
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# exp function fast path
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exp-ITER = 5e8
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exp-ITER = 5e8
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@ -77,6 +77,12 @@ sin-ARGLIST = double
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sin-RET = double
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sin-RET = double
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LDFLAGS-bench-sin = -lm
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LDFLAGS-bench-sin = -lm
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# atan function fast path
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atan-ITER = 6e9
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atan-ARGLIST = double
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atan-RET = double
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LDFLAGS-bench-atan = -lm
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# pow function slowest path
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# pow function slowest path
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slowpow-ITER = 1e5
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slowpow-ITER = 1e5
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slowpow-ARGLIST = double:double
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slowpow-ARGLIST = double:double
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@ -91,5 +97,12 @@ slowsin-RET = double
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slowsin-INCLUDE = slowsin.c
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slowsin-INCLUDE = slowsin.c
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LDFLAGS-bench-slowsin = -lm
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LDFLAGS-bench-slowsin = -lm
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# atan function slowest path
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slowatan-ITER = 3e8
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slowatan-ARGLIST = double
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slowatan-RET = double
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slowatan-INCLUDE = slowatan.c
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LDFLAGS-bench-slowatan = -lm
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include ../Makeconfig
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include ../Makeconfig
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include ../Rules
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include ../Rules
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@ -0,0 +1,3 @@
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0x1.000000c5cba86p0
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0x1.000001883003ap0
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0x1.00000dfb2b674p0
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@ -0,0 +1,3 @@
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0x1.000000c5cba87p0
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0x1.000001883003bp0
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0x1.00000dfb2b675p0
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@ -0,0 +1,19 @@
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/* Define slowatan.
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Copyright (C) 2013 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#define slowatan atan
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