Introduce a float extension trait and some numerical routines

Author: tgross35

crates/libm-test/src/lib.rs

@@ -4,12 +4,14 @@ mod f8_impl;
 pub mod gen;
 #[cfg(feature = "test-multiprecision")]
 pub mod mpfloat;
+mod num;
 pub mod op;
 mod precision;
 mod test_traits;
 
 pub use f8_impl::f8;
-pub use libm::support::{Float, Int, IntTy};
+pub use libm::support::{Float, Int, IntTy, MinInt};
+pub use num::{FloatExt, logspace};
 pub use op::{BaseName, Identifier, MathOp, OpCFn, OpFTy, OpRustFn, OpRustRet};
 pub use precision::{MaybeOverride, SpecialCase, default_ulp};
 pub use test_traits::{CheckBasis, CheckCtx, CheckOutput, GenerateInput, Hex, TupleCall};