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Add powf bench tests

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Add powf() bench test with input which covers these cases:
- positive base to positive exponent
- exponent 0
- negative base to even exponent
- exponent 1
- exponent -1
- squared
- squareroot
- 1 to negative exponent
- -1 to negative exponent
- base 0
- -1 to even exponent
- small base
- small exponent

	* benchtests/Makefile (bench-math): Add powf.
	* benchtests/powf-inputs: New file.
This commit is contained in:
Paul Clarke 2017-06-20 10:14:42 -03:00 committed by Tulio Magno Quites Machado Filho
parent d8cee557e2
commit 4cedcaea8d
3 changed files with 337 additions and 1 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
2017-06-20 Paul A. Clarke <pc@us.ibm.com>
* benchtests/Makefile (bench-math): Add powf.
* benchtests/powf-inputs: New file.
2017-06-20 Zack Weinberg <zackw@panix.com>
* bits/string.h, string/bits/string.h

2
benchtests/Makefile
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@ -23,7 +23,7 @@ subdir := benchtests
include ../Makeconfig
bench-math := acos acosh asin asinh atan atanh cos cosh exp exp2 log log2 \
modf pow rint sin sincos sinh sqrt tan tanh fmin fmax fminf \
fmaxf
fmaxf powf
bench-pthread := pthread_once thread_create

331
benchtests/powf-inputs Normal file
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@ -0,0 +1,331 @@
## args: float:float
## ret: float
## includes: math.h
# positive base to positive exponent
0x1p-126, 0x0p+0
0x1p-126, 0x1.d1745ep+0
0x1p-126, 0x1.d1745ep+1
0x1p-126, 0x1.5d1746p+2
0x1p-126, 0x1.d1745ep+2
0x1p-126, 0x1.22e8bap+3
0x1p-126, 0x1.5d1746p+3
0x1p-126, 0x1.9745dp+3
0x1p-126, 0x1.d1745ep+3
0x1p-126, 0x1.05d174p+4
0x1p-126, 0x1.22e8bap+4
0x1p-126, 0x1.4p+4
0x1.d1745ep+2, 0x0p+0
0x1.d1745ep+2, 0x1.d1745ep+0
0x1.d1745ep+2, 0x1.d1745ep+1
0x1.d1745ep+2, 0x1.5d1746p+2
0x1.d1745ep+2, 0x1.d1745ep+2
0x1.d1745ep+2, 0x1.22e8bap+3
0x1.d1745ep+2, 0x1.5d1746p+3
0x1.d1745ep+2, 0x1.9745dp+3
0x1.d1745ep+2, 0x1.d1745ep+3
0x1.d1745ep+2, 0x1.05d174p+4
0x1.d1745ep+2, 0x1.22e8bap+4
0x1.d1745ep+2, 0x1.4p+4
0x1.d1745ep+3, 0x0p+0
0x1.d1745ep+3, 0x1.d1745ep+0
0x1.d1745ep+3, 0x1.d1745ep+1
0x1.d1745ep+3, 0x1.5d1746p+2
0x1.d1745ep+3, 0x1.d1745ep+2
0x1.d1745ep+3, 0x1.22e8bap+3
0x1.d1745ep+3, 0x1.5d1746p+3
0x1.d1745ep+3, 0x1.9745dp+3
0x1.d1745ep+3, 0x1.d1745ep+3
0x1.d1745ep+3, 0x1.05d174p+4
0x1.d1745ep+3, 0x1.22e8bap+4
0x1.d1745ep+3, 0x1.4p+4
0x1.5d1746p+4, 0x0p+0
0x1.5d1746p+4, 0x1.d1745ep+0
0x1.5d1746p+4, 0x1.d1745ep+1
0x1.5d1746p+4, 0x1.5d1746p+2
0x1.5d1746p+4, 0x1.d1745ep+2
0x1.5d1746p+4, 0x1.22e8bap+3
0x1.5d1746p+4, 0x1.5d1746p+3
0x1.5d1746p+4, 0x1.9745dp+3
0x1.5d1746p+4, 0x1.d1745ep+3
0x1.5d1746p+4, 0x1.05d174p+4
0x1.5d1746p+4, 0x1.22e8bap+4
0x1.5d1746p+4, 0x1.4p+4
0x1.d1745ep+4, 0x0p+0
0x1.d1745ep+4, 0x1.d1745ep+0
0x1.d1745ep+4, 0x1.d1745ep+1
0x1.d1745ep+4, 0x1.5d1746p+2
0x1.d1745ep+4, 0x1.d1745ep+2
0x1.d1745ep+4, 0x1.22e8bap+3
0x1.d1745ep+4, 0x1.5d1746p+3
0x1.d1745ep+4, 0x1.9745dp+3
0x1.d1745ep+4, 0x1.d1745ep+3
0x1.d1745ep+4, 0x1.05d174p+4
0x1.d1745ep+4, 0x1.22e8bap+4
0x1.d1745ep+4, 0x1.4p+4
0x1.22e8bap+5, 0x0p+0
0x1.22e8bap+5, 0x1.d1745ep+0
0x1.22e8bap+5, 0x1.d1745ep+1
0x1.22e8bap+5, 0x1.5d1746p+2
0x1.22e8bap+5, 0x1.d1745ep+2
0x1.22e8bap+5, 0x1.22e8bap+3
0x1.22e8bap+5, 0x1.5d1746p+3
0x1.22e8bap+5, 0x1.9745dp+3
0x1.22e8bap+5, 0x1.d1745ep+3
0x1.22e8bap+5, 0x1.05d174p+4
0x1.22e8bap+5, 0x1.22e8bap+4
0x1.22e8bap+5, 0x1.4p+4
0x1.5d1746p+5, 0x0p+0
0x1.5d1746p+5, 0x1.d1745ep+0
0x1.5d1746p+5, 0x1.d1745ep+1
0x1.5d1746p+5, 0x1.5d1746p+2
0x1.5d1746p+5, 0x1.d1745ep+2
0x1.5d1746p+5, 0x1.22e8bap+3
0x1.5d1746p+5, 0x1.5d1746p+3
0x1.5d1746p+5, 0x1.9745dp+3
0x1.5d1746p+5, 0x1.d1745ep+3
0x1.5d1746p+5, 0x1.05d174p+4
0x1.5d1746p+5, 0x1.22e8bap+4
0x1.5d1746p+5, 0x1.4p+4
0x1.9745dp+5, 0x0p+0
0x1.9745dp+5, 0x1.d1745ep+0
0x1.9745dp+5, 0x1.d1745ep+1
0x1.9745dp+5, 0x1.5d1746p+2
0x1.9745dp+5, 0x1.d1745ep+2
0x1.9745dp+5, 0x1.22e8bap+3
0x1.9745dp+5, 0x1.5d1746p+3
0x1.9745dp+5, 0x1.9745dp+3
0x1.9745dp+5, 0x1.d1745ep+3
0x1.9745dp+5, 0x1.05d174p+4
0x1.9745dp+5, 0x1.22e8bap+4
0x1.9745dp+5, 0x1.4p+4
0x1.d1745ep+5, 0x0p+0
0x1.d1745ep+5, 0x1.d1745ep+0
0x1.d1745ep+5, 0x1.d1745ep+1
0x1.d1745ep+5, 0x1.5d1746p+2
0x1.d1745ep+5, 0x1.d1745ep+2
0x1.d1745ep+5, 0x1.22e8bap+3
0x1.d1745ep+5, 0x1.5d1746p+3
0x1.d1745ep+5, 0x1.9745dp+3
0x1.d1745ep+5, 0x1.d1745ep+3
0x1.d1745ep+5, 0x1.05d174p+4
0x1.d1745ep+5, 0x1.22e8bap+4
0x1.d1745ep+5, 0x1.4p+4
0x1.05d174p+6, 0x0p+0
0x1.05d174p+6, 0x1.d1745ep+0
0x1.05d174p+6, 0x1.d1745ep+1
0x1.05d174p+6, 0x1.5d1746p+2
0x1.05d174p+6, 0x1.d1745ep+2
0x1.05d174p+6, 0x1.22e8bap+3
0x1.05d174p+6, 0x1.5d1746p+3
0x1.05d174p+6, 0x1.9745dp+3
0x1.05d174p+6, 0x1.d1745ep+3
0x1.05d174p+6, 0x1.05d174p+4
0x1.05d174p+6, 0x1.22e8bap+4
0x1.05d174p+6, 0x1.4p+4
0x1.22e8bap+6, 0x0p+0
0x1.22e8bap+6, 0x1.d1745ep+0
0x1.22e8bap+6, 0x1.d1745ep+1
0x1.22e8bap+6, 0x1.5d1746p+2
0x1.22e8bap+6, 0x1.d1745ep+2
0x1.22e8bap+6, 0x1.22e8bap+3
0x1.22e8bap+6, 0x1.5d1746p+3
0x1.22e8bap+6, 0x1.9745dp+3
0x1.22e8bap+6, 0x1.d1745ep+3
0x1.22e8bap+6, 0x1.05d174p+4
0x1.22e8bap+6, 0x1.22e8bap+4
0x1.22e8bap+6, 0x1.4p+4
0x1.4p+6, 0x0p+0
0x1.4p+6, 0x1.d1745ep+0
0x1.4p+6, 0x1.d1745ep+1
0x1.4p+6, 0x1.5d1746p+2
0x1.4p+6, 0x1.d1745ep+2
0x1.4p+6, 0x1.22e8bap+3
0x1.4p+6, 0x1.5d1746p+3
0x1.4p+6, 0x1.9745dp+3
0x1.4p+6, 0x1.d1745ep+3
0x1.4p+6, 0x1.05d174p+4
0x1.4p+6, 0x1.22e8bap+4
0x1.4p+6, 0x1.4p+4
# name: exponent 0
-0x1.fffffep+127, 0x0p+0
-0x1.333332p+127, 0x0p+0
-0x1.999998p+125, 0x0p+0
0x1.999998p+125, 0x0p+0
0x1.333332p+127, 0x0p+0
0x1.fffffep+127, 0x0p+0
# negative base to even exponent
-0x1.4p+2, -0x1.8p+3
-0x1.4p+2, -0x1p+3
-0x1.4p+2, -0x1p+2
-0x1.4p+2, 0x0p+0
-0x1.4p+2, 0x1p+2
-0x1.4p+2, 0x1p+3
-0x1.4p+2, 0x1.8p+3
-0x1.1p+2, -0x1.8p+3
-0x1.1p+2, -0x1p+3
-0x1.1p+2, -0x1p+2
-0x1.1p+2, 0x0p+0
-0x1.1p+2, 0x1p+2
-0x1.1p+2, 0x1p+3
-0x1.1p+2, 0x1.8p+3
-0x1.bffffep+1, -0x1.8p+3
-0x1.bffffep+1, -0x1p+3
-0x1.bffffep+1, -0x1p+2
-0x1.bffffep+1, 0x0p+0
-0x1.bffffep+1, 0x1p+2
-0x1.bffffep+1, 0x1p+3
-0x1.bffffep+1, 0x1.8p+3
-0x1.6p+1, -0x1.8p+3
-0x1.6p+1, -0x1p+3
-0x1.6p+1, -0x1p+2
-0x1.6p+1, 0x0p+0
-0x1.6p+1, 0x1p+2
-0x1.6p+1, 0x1p+3
-0x1.6p+1, 0x1.8p+3
-0x1p+1, -0x1.8p+3
-0x1p+1, -0x1p+3
-0x1p+1, -0x1p+2
-0x1p+1, 0x0p+0
-0x1p+1, 0x1p+2
-0x1p+1, 0x1p+3
-0x1p+1, 0x1.8p+3
-0x1.4p+0, -0x1.8p+3
-0x1.4p+0, -0x1p+3
-0x1.4p+0, -0x1p+2
-0x1.4p+0, 0x0p+0
-0x1.4p+0, 0x1p+2
-0x1.4p+0, 0x1p+3
-0x1.4p+0, 0x1.8p+3
-0x1p-1, -0x1.8p+3
-0x1p-1, -0x1p+3
-0x1p-1, -0x1p+2
-0x1p-1, 0x0p+0
-0x1p-1, 0x1p+2
-0x1p-1, 0x1p+3
-0x1p-1, 0x1.8p+3
# exponent 1
-0x1.fffffep+127, 0x1p+0
-0x1.333332p+127, 0x1p+0
-0x1.999998p+125, 0x1p+0
0x1.999998p+125, 0x1p+0
0x1.333332p+127, 0x1p+0
0x1.fffffep+127, 0x1p+0
# exponent -1
-0x1.fffffep+127, -0x1p+0
-0x1.333332p+127, -0x1p+0
-0x1.999998p+125, -0x1p+0
0x1.999998p+125, -0x1p+0
0x1.333332p+127, -0x1p+0
0x1.fffffep+127, -0x1p+0
# squared
-0x1.fffffep+63, 0x1p+1
-0x1.333332p+63, 0x1p+1
-0x1.999998p+61, 0x1p+1
0x1.999998p+61, 0x1p+1
0x1.333332p+63, 0x1p+1
0x1.fffffep+63, 0x1p+1
# squareroot
0x0p+0, 0x1p-1
0x1.999998p+125, 0x1p-1
0x1.999998p+126, 0x1p-1
0x1.333332p+127, 0x1p-1
0x1.999998p+127, 0x1p-1
0x1.fffffep+127, 0x1p-1
# 1 to negative exponent
0x1p+0, -0x1.fffffep+127
0x1p+0, -0x1.999998p+127
0x1p+0, -0x1.333332p+127
0x1p+0, -0x1.999998p+126
0x1p+0, -0x1.999998p+125
# -1 to negative exponent
-0x1p+0, -0x1.fffffep+127
-0x1p+0, -0x1.999998p+127
-0x1p+0, -0x1.333332p+127
-0x1p+0, -0x1.999998p+126
-0x1p+0, -0x1.999998p+125
# base 0
0x0p+0, 0x0p+0
0x0p+0, 0x1.fffffep+126
0x0p+0, 0x1.fffffep+127
# -1 to even exponent
-0x1p+0, -0x1.8p+3
-0x1p+0, -0x1p+3
-0x1p+0, -0x1p+2
-0x1p+0, 0x0p+0
-0x1p+0, 0x1p+2
-0x1p+0, 0x1p+3
-0x1p+0, 0x1.8p+3
# small base
0x1.fffffp-1, -0x1.d22a5p+22
0x1.fffffp-1, -0x1.17b2fcp+22
0x1.fffffp-1, -0x1.74eea4p+20
0x1.fffffp-1, 0x1.74eebp+20
0x1.fffffp-1, 0x1.17b2fcp+22
0x1.fffffp-1, 0x1.d22a5p+22
0x1.fffff8p-1, -0x1.d22a5p+22
0x1.fffff8p-1, -0x1.17b2fcp+22
0x1.fffff8p-1, -0x1.74eea4p+20
0x1.fffff8p-1, 0x1.74eebp+20
0x1.fffff8p-1, 0x1.17b2fcp+22
0x1.fffff8p-1, 0x1.d22a5p+22
0x1p+0, -0x1.d22a5p+22
0x1p+0, -0x1.17b2fcp+22
0x1p+0, -0x1.74eea4p+20
0x1p+0, 0x1.74eebp+20
0x1p+0, 0x1.17b2fcp+22
0x1p+0, 0x1.d22a5p+22
0x1.000004p+0, -0x1.d22a5p+22
0x1.000004p+0, -0x1.17b2fcp+22
0x1.000004p+0, -0x1.74eea4p+20
0x1.000004p+0, 0x1.74eebp+20
0x1.000004p+0, 0x1.17b2fcp+22
0x1.000004p+0, 0x1.d22a5p+22
0x1.000008p+0, -0x1.d22a5p+22
0x1.000008p+0, -0x1.17b2fcp+22
0x1.000008p+0, -0x1.74eea4p+20
0x1.000008p+0, 0x1.74eebp+20
0x1.000008p+0, 0x1.17b2fcp+22
0x1.000008p+0, 0x1.d22a5p+22
0x1.00001p+0, -0x1.d22a5p+22
0x1.00001p+0, -0x1.17b2fcp+22
0x1.00001p+0, -0x1.74eea4p+20
0x1.00001p+0, 0x1.74eebp+20
0x1.00001p+0, 0x1.17b2fcp+22
0x1.00001p+0, 0x1.d22a5p+22
# small exponent
0x1p-126, -0x1p-32
0x1p-126, -0x1.333334p-33
0x1p-126, -0x1.99999cp-35
0x1p-126, 0x1.9999ap-35
0x1p-126, 0x1.333334p-33
0x1p-126, 0x1p-32
0x1.999998p+29, -0x1p-32
0x1.999998p+29, -0x1.333334p-33
0x1.999998p+29, -0x1.99999cp-35
0x1.999998p+29, 0x1.9999ap-35
0x1.999998p+29, 0x1.333334p-33
0x1.999998p+29, 0x1p-32
0x1.999998p+30, -0x1p-32
0x1.999998p+30, -0x1.333334p-33
0x1.999998p+30, -0x1.99999cp-35
0x1.999998p+30, 0x1.9999ap-35
0x1.999998p+30, 0x1.333334p-33
0x1.999998p+30, 0x1p-32
0x1.333332p+31, -0x1p-32
0x1.333332p+31, -0x1.333334p-33
0x1.333332p+31, -0x1.99999cp-35
0x1.333332p+31, 0x1.9999ap-35
0x1.333332p+31, 0x1.333334p-33
0x1.333332p+31, 0x1p-32
0x1.999998p+31, -0x1p-32
0x1.999998p+31, -0x1.333334p-33
0x1.999998p+31, -0x1.99999cp-35
0x1.999998p+31, 0x1.9999ap-35
0x1.999998p+31, 0x1.333334p-33
0x1.999998p+31, 0x1p-32
0x1.fffffep+31, -0x1p-32
0x1.fffffep+31, -0x1.333334p-33
0x1.fffffep+31, -0x1.99999cp-35
0x1.fffffep+31, 0x1.9999ap-35
0x1.fffffep+31, 0x1.333334p-33
0x1.fffffep+31, 0x1p-32