DragFloat: Disabled using power curve when one edge is FLT_MAX (broken in 1.61). Disabled setting a default drag speed when one edge is FLT_MAX. (#2024)

docs/CHANGELOG.txt

@@ -43,6 +43,8 @@ Other Changes:
   properly after the main menu bar or last focused window is deactivated.
 - DragFloat: Fixed a situation where dragging with value rounding enabled or with a power curve 
   erroneously wrapped the value to one of the min/max edge. (#2024, #708, #320, #2075).
+- DragFloat: Disabled using power curve when one edge is FLT_MAX (broken in 1.61). (#2024)
+- DragFloat: Disabled setting a default drag speed when one edge is FLT_MAX. (#2024)
   
 
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imgui_demo.cpp

@@ -2477,8 +2477,8 @@ void ImGui::ShowStyleEditor(ImGuiStyle* ref)
         ImGui::Checkbox("Anti-aliased lines", &style.AntiAliasedLines); ImGui::SameLine(); ShowHelpMarker("When disabling anti-aliasing lines, you'll probably want to disable borders in your style as well.");
         ImGui::Checkbox("Anti-aliased fill", &style.AntiAliasedFill);
         ImGui::PushItemWidth(100);
-        ImGui::DragFloat("Curve Tessellation Tolerance", &style.CurveTessellationTol, 0.02f, 0.10f, FLT_MAX, NULL, 2.0f);
-        if (style.CurveTessellationTol < 0.0f) style.CurveTessellationTol = 0.10f;
+        ImGui::DragFloat("Curve Tessellation Tolerance", &style.CurveTessellationTol, 0.02f, 0.10f, FLT_MAX, "%.2f", 2.0f);
+        if (style.CurveTessellationTol < 0.10f) style.CurveTessellationTol = 0.10f;
         ImGui::DragFloat("Global Alpha", &style.Alpha, 0.005f, 0.20f, 1.0f, "%.2f"); // Not exposing zero here so user doesn't "lose" the UI (zero alpha clips all widgets). But application code could have a toggle to switch between zero and non-zero.
         ImGui::PopItemWidth();
         ImGui::TreePop();

imgui_widgets.cpp

@@ -1709,10 +1709,10 @@ bool ImGui::DragBehaviorT(ImGuiDataType data_type, TYPE* v, float v_speed, const
 {
     ImGuiContext& g = *GImGui;
     const bool is_decimal = (data_type == ImGuiDataType_Float) || (data_type == ImGuiDataType_Double);
-    const bool has_min_max = (v_min != v_max) && (v_max - v_max < FLT_MAX);
+    const bool has_min_max = (v_min != v_max);
 
     // Default tweak speed
-    if (v_speed == 0.0f && has_min_max)
+    if (v_speed == 0.0f && has_min_max && (v_max - v_min < FLT_MAX))
         v_speed = (float)((v_max - v_min) * g.DragSpeedDefaultRatio);
 
     // Inputs accumulates into g.DragCurrentAccum, which is flushed into the current value as soon as it makes a difference with our precision settings
@@ -1754,7 +1754,7 @@ bool ImGui::DragBehaviorT(ImGuiDataType data_type, TYPE* v, float v_speed, const
     TYPE v_cur = *v;
     FLOATTYPE v_old_ref_for_accum_remainder = (FLOATTYPE)0.0f;
 
-    const bool is_power = (power != 1.0f && is_decimal && has_min_max);
+    const bool is_power = (power != 1.0f && is_decimal && has_min_max && (v_max - v_min < FLT_MAX));
     if (is_power)
     {
         // Offset + round to user desired precision, with a curve on the v_min..v_max range to get more precision on one side of the range