Upgrade MPFR to 4.0.0 (#25710)

See http://www.mpfr.org/mpfr-current/#changes

Now includes a `beta` function.

base/mpfr.jl

@@ -17,7 +17,7 @@ import
         cosh, sinh, tanh, sech, csch, coth, acosh, asinh, atanh, atan2,
         cbrt, typemax, typemin, unsafe_trunc, realmin, realmax, rounding,
         setrounding, maxintfloat, widen, significand, frexp, tryparse, iszero,
-        isone, big
+        isone, big, beta
 
 import Base.Rounding: rounding_raw, setrounding_raw
 
@@ -680,6 +680,13 @@ function atan2(y::BigFloat, x::BigFloat)
     ccall((:mpfr_atan2, :libmpfr), Int32, (Ref{BigFloat}, Ref{BigFloat}, Ref{BigFloat}, Int32), z, y, x, ROUNDING_MODE[])
     return z
 end
+if version() >= v"4.0.0"
+    function beta(y::BigFloat, x::BigFloat)
+        z = BigFloat()
+        ccall((:mpfr_beta, :libmpfr), Int32, (Ref{BigFloat}, Ref{BigFloat}, Ref{BigFloat}, Int32), z, y, x, ROUNDING_MODE[])
+        return z
+    end
+end
 
 # Utility functions
 ==(x::BigFloat, y::BigFloat) = ccall((:mpfr_equal_p, :libmpfr), Int32, (Ref{BigFloat}, Ref{BigFloat}), x, y) != 0

deps/Versions.make

@@ -7,7 +7,7 @@ SUITESPARSE_VER = 4.4.5
 UNWIND_VER = 1.1-julia2
 OSXUNWIND_VER = 0.0.3
 GMP_VER = 6.1.2
-MPFR_VER = 3.1.6
+MPFR_VER = 4.0.0
 PATCHELF_VER = 0.9
 MBEDTLS_VER = 2.6.0
 CURL_VER = 7.56.0

deps/checksums/mpfr-4.0.0.tar.bz2/md5

@@ -0,0 +1 @@
+ef619f3bb68039e35c4a219e06be72d0

deps/checksums/mpfr-4.0.0.tar.bz2/sha512

@@ -0,0 +1 @@
+43932f9d5e60fd5545c27ff984784dd7a286656a0297d0be7c106f72a2d2e0408702be16bd27e5b5f17a04a2069d06d644cdb4ca4ab4c26ae1a5896fc77bdefd

test/mpfr.jl

@@ -921,3 +921,5 @@ end
         @test to_string(big"-1.0") == "-1.0"
     end
 end
+
+@test beta(big(1.0),big(1.2)) ≈ beta(1.0,1.2) rtol=4*eps()