diff options
author | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2007-11-16 01:30:29 +0000 |
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committer | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2007-11-16 01:30:29 +0000 |
commit | 75feee0968c9345e7ffd2bda9835fcd60b4c0880 (patch) | |
tree | fa4216d535d8b5dcc45f39c19c64385172e710bf /benchmark/bm_so_partial_sums.rb | |
parent | 501407d3af04a2a7c4b4d49168d512fb89327b6b (diff) |
* set eol-style.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@13944 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'benchmark/bm_so_partial_sums.rb')
-rw-r--r-- | benchmark/bm_so_partial_sums.rb | 62 |
1 files changed, 31 insertions, 31 deletions
diff --git a/benchmark/bm_so_partial_sums.rb b/benchmark/bm_so_partial_sums.rb index 41f0a5fb87..630b45cb8d 100644 --- a/benchmark/bm_so_partial_sums.rb +++ b/benchmark/bm_so_partial_sums.rb @@ -1,31 +1,31 @@ -n = 2_500_000 # (ARGV.shift || 1).to_i
-
-alt = 1.0 ; s0 = s1 = s2 = s3 = s4 = s5 = s6 = s7 = s8 = 0.0
-
-1.upto(n) do |d|
- d = d.to_f ; d2 = d * d ; d3 = d2 * d ; ds = Math.sin(d) ; dc = Math.cos(d)
-
- s0 += (2.0 / 3.0) ** (d - 1.0)
- s1 += 1.0 / Math.sqrt(d)
- s2 += 1.0 / (d * (d + 1.0))
- s3 += 1.0 / (d3 * ds * ds)
- s4 += 1.0 / (d3 * dc * dc)
- s5 += 1.0 / d
- s6 += 1.0 / d2
- s7 += alt / d
- s8 += alt / (2.0 * d - 1.0)
-
- alt = -alt
-end
-
-if false
- printf("%.9f\t(2/3)^k\n", s0)
- printf("%.9f\tk^-0.5\n", s1)
- printf("%.9f\t1/k(k+1)\n", s2)
- printf("%.9f\tFlint Hills\n", s3)
- printf("%.9f\tCookson Hills\n", s4)
- printf("%.9f\tHarmonic\n", s5)
- printf("%.9f\tRiemann Zeta\n", s6)
- printf("%.9f\tAlternating Harmonic\n", s7)
- printf("%.9f\tGregory\n", s8)
-end
+n = 2_500_000 # (ARGV.shift || 1).to_i + +alt = 1.0 ; s0 = s1 = s2 = s3 = s4 = s5 = s6 = s7 = s8 = 0.0 + +1.upto(n) do |d| + d = d.to_f ; d2 = d * d ; d3 = d2 * d ; ds = Math.sin(d) ; dc = Math.cos(d) + + s0 += (2.0 / 3.0) ** (d - 1.0) + s1 += 1.0 / Math.sqrt(d) + s2 += 1.0 / (d * (d + 1.0)) + s3 += 1.0 / (d3 * ds * ds) + s4 += 1.0 / (d3 * dc * dc) + s5 += 1.0 / d + s6 += 1.0 / d2 + s7 += alt / d + s8 += alt / (2.0 * d - 1.0) + + alt = -alt +end + +if false + printf("%.9f\t(2/3)^k\n", s0) + printf("%.9f\tk^-0.5\n", s1) + printf("%.9f\t1/k(k+1)\n", s2) + printf("%.9f\tFlint Hills\n", s3) + printf("%.9f\tCookson Hills\n", s4) + printf("%.9f\tHarmonic\n", s5) + printf("%.9f\tRiemann Zeta\n", s6) + printf("%.9f\tAlternating Harmonic\n", s7) + printf("%.9f\tGregory\n", s8) +end |