fixes

Author: oscarddssmith

lib/BracketingNonlinearSolve/src/itp.jl

@@ -56,14 +56,14 @@ function ITP(; scaled_k1::Real = 0.2, k2::Real = 2, n0::Int = 10)
     return ITP(scaled_k1, k2, n0)
 end
 
-@muladd function CommonSolve.solve(
+function CommonSolve.solve(
         prob::IntervalNonlinearProblem, alg::ITP, args...;
         maxiters = 1000, abstol = nothing, verbose::Bool = true, kwargs...
 )
     @assert !SciMLBase.isinplace(prob) "`ITP` only supports out-of-place problems."
 
     f = Base.Fix2(prob.f, prob.p)
-    left, right = minmax(prob.tspan)
+    left, right = minmax(prob.tspan...)
     fl, fr = f(left), f(right)
 
     abstol = NonlinearSolveBase.get_tolerance(
@@ -121,7 +121,7 @@ end
 
         # update
         if isless(xt, xp)
-            xp = prevloat(xp)
+            xp = prevfloat(xp)
         else
             xp = nextfloat(xp)
         end