Use mpfr_const_log2 (#9)

* Use `mpfr_const_log2`

* Bump version

* `const_log10` does not exist....

* Fix stupid error

Author: devmotion

Project.toml

@@ -1,7 +1,7 @@
 name = "IrrationalConstants"
 uuid = "92d709cd-6900-40b7-9082-c6be49f344b6"
 authors = ["JuliaMath"]
-version = "0.1.0"
+version = "0.1.1"
 
 [compat]
 julia = "1"

src/stats.jl

@@ -23,7 +23,7 @@
 @irrational invsqrt2π 0.3989422804014326779 inv(sqrt(2 * big(π)))
 
 @irrational loghalf -0.6931471805599453094 log(inv(big(2)))
-@irrational logtwo  0.6931471805599453094 log(big(2))
+@irrational logtwo  0.6931471805599453094 log2
 @irrational logten  2.302585092994046 log(big(10))
 @irrational logπ    1.1447298858494001741 log(big(π))
 @irrational log2π   1.8378770664093454836 log(2 * big(π))