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| author | shigek <shigek@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2003-07-25 02:27:33 +0000 |
|---|---|---|
| committer | shigek <shigek@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2003-07-25 02:27:33 +0000 |
| commit | 6a5aa582afd4cf9d627502fd4563a765c7274479 (patch) | |
| tree | 4274191b73f4afe594f0791aebc094c94a83facd | |
| parent | b504024bee26dd0fb0f0143907eca5ddec0676be (diff) | |
| download | ruby-6a5aa582afd4cf9d627502fd4563a765c7274479.tar.gz ruby-6a5aa582afd4cf9d627502fd4563a765c7274479.tar.xz ruby-6a5aa582afd4cf9d627502fd4563a765c7274479.zip | |
Spec for div changed.
add,sub,mult,div now can specify exact digits number.
git-svn-id: http://svn.ruby-lang.org/repos/ruby/trunk@4154 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
| -rw-r--r-- | ext/bigdecimal/lib/bigdecimal/util.rb | 1 | ||||
| -rw-r--r-- | ext/bigdecimal/sample/pi.rb | 10 |
2 files changed, 5 insertions, 6 deletions
diff --git a/ext/bigdecimal/lib/bigdecimal/util.rb b/ext/bigdecimal/lib/bigdecimal/util.rb index d9b7ae313..369fe3fdd 100644 --- a/ext/bigdecimal/lib/bigdecimal/util.rb +++ b/ext/bigdecimal/lib/bigdecimal/util.rb @@ -63,7 +63,6 @@ end class Rational < Numeric # Convert Rational to BigDecimal - # to_d returns an array [quotient,residue] def to_d(nFig=0) num = self.numerator.to_s if nFig<=0 diff --git a/ext/bigdecimal/sample/pi.rb b/ext/bigdecimal/sample/pi.rb index cbb8448a3..833967a58 100644 --- a/ext/bigdecimal/sample/pi.rb +++ b/ext/bigdecimal/sample/pi.rb @@ -20,9 +20,9 @@ def big_pi(sig) # sig: Number of significant figures k = BigDecimal::new("1") w = BigDecimal::new("1") t = BigDecimal::new("-80") - while (u.exponent >= exp) + while (u.nonzero? && u.exponent >= exp) t = t*m25 - u,r = t.div(k,sig) + u = t.div(k,sig) pi = pi + u k = k+two end @@ -31,9 +31,9 @@ def big_pi(sig) # sig: Number of significant figures k = BigDecimal::new("1") w = BigDecimal::new("1") t = BigDecimal::new("956") - while (u.exponent >= exp ) - t,r = t.div(m57121,sig) - u,r = t.div(k,sig) + while (u.nonzero? && u.exponent >= exp ) + t = t.div(m57121,sig) + u = t.div(k,sig) pi = pi + u k = k+two end |