add adjust_bracket (#442)

JuliaMath · Sep 4, 2024 · 10a710f · 10a710f · jverzani · Sep 4, 2024
1 parent 006fc11
commit 10a710f
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Showing 3 changed files with 4 additions and 3 deletions.
diff --git a/Project.toml b/Project.toml
@@ -1,6 +1,6 @@
 name = "Roots"
 uuid = "f2b01f46-fcfa-551c-844a-d8ac1e96c665"
-version = "2.1.7"
+version = "2.1.8"
 
 [deps]
 Accessors = "7d9f7c33-5ae7-4f3b-8dc6-eff91059b697"

diff --git a/src/Bracketing/chandrapatlu.jl b/src/Bracketing/chandrapatlu.jl
@@ -24,6 +24,7 @@ end
 # a = most recent, b prior
 function init_state(::Chandrapatla, F, x₀, x₁, fx₀, fx₁)
     a, b, fa, fb = x₁, x₀, fx₁, fx₀
+    assert_bracket(fa, fb)
     c, fc = a, fa
     ChandrapatlaState(promote(a, b, c)..., promote(fa, fb, fc)...)
 end

diff --git a/test/test_bracketing.jl b/test/test_bracketing.jl
@@ -313,9 +313,9 @@ end
     @test avg(cnts) <= 3000
 
     ## issue 412 check for bracket
-    f = x -> x - 1
     for M in Ms
-        @test_throws ArgumentError find_zero(f, (-3, 0), M)
+        @test_throws ArgumentError find_zero(x -> x - 1, (-3, 0), M)
+        @test_throws ArgumentError find_zero(x -> 1 + x^2, (10, 20), M)
     end
 end