C:\Users\[removed]\Documents\GitHub\mir-algorithm>dub test Generating test runner configuration 'mir-algorithm-test-default' for 'default' (library). Excluding package.d file from test due to https://issues.dlang.org/show_bug.cgi?id=11847 Excluding package.d file from test due to https://issues.dlang.org/show_bug.cgi?id=11847 Excluding package.d file from test due to https://issues.dlang.org/show_bug.cgi?id=11847 Excluding package.d file from test due to https://issues.dlang.org/show_bug.cgi?id=11847 Excluding package.d file from test due to https://issues.dlang.org/show_bug.cgi?id=11847 Performing "unittest" build using dmd for x86_64. mir-core 1.1.7: building configuration "library"... mir-algorithm 3.9.0+commit.3.g7dff9ce: building configuration "mir-algorithm-test-default"... Warning: multivariate cubic spline with derivatives was not tested!!! Warning: multivariate cubic spline with derivatives was not tested!!! source\mir\parse.d(89,9): Error: static assert: fromString("3.518437208883201171875") == 3.51844L is false dmd failed with exit code 1.