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tools: Added IEEE 756 floating point number tester

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WerWolv
2022-05-29 14:57:59 +02:00
parent efed07ac8b
commit f1b2d5881e
10 changed files with 826 additions and 537 deletions
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12
lib/libimhex/include/hex/helpers/utils.hpp
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@@ -72,6 +72,18 @@ namespace hex {
return (value ^ mask) - mask;
}
template<hex::integral T>
constexpr inline T swapBitOrder(size_t numBits, T value) {
T result = 0x00;
for (size_t bit = 0; bit < numBits; bit++) {
result <<= 1;
result |= (value & (1 << bit)) != 0;
}
return result;
}
template<class... Ts>
struct overloaded : Ts... { using Ts::operator()...; };
template<class... Ts>

2
lib/libimhex/include/hex/ui/imgui_imhex_extensions.h
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@@ -134,4 +134,6 @@ namespace ImGui {
bool InputScalarCallback(const char* label, ImGuiDataType data_type, void* p_data, const char* format, ImGuiInputTextFlags flags, ImGuiInputTextCallback callback, void* user_data);
void HideTooltip();
bool BitCheckbox(const char* label, bool* v);
}

43
lib/libimhex/source/ui/imgui_imhex_extensions.cpp
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@@ -590,4 +590,47 @@ namespace ImGui {
}
}
bool BitCheckbox(const char* label, bool* v) {
ImGuiWindow* window = GetCurrentWindow();
if (window->SkipItems)
return false;
ImGuiContext& g = *GImGui;
const ImGuiStyle& style = g.Style;
const ImGuiID id = window->GetID(label);
const ImVec2 label_size = CalcTextSize(label, NULL, true);
const ImVec2 size = ImVec2(CalcTextSize("0").x + style.FramePadding.x * 2, GetFrameHeight());
const ImVec2 pos = window->DC.CursorPos;
const ImRect total_bb(pos, pos + size);
ItemSize(total_bb, style.FramePadding.y);
if (!ItemAdd(total_bb, id))
{
IMGUI_TEST_ENGINE_ITEM_INFO(id, label, g.LastItemData.StatusFlags | ImGuiItemStatusFlags_Checkable | (*v ? ImGuiItemStatusFlags_Checked : 0));
return false;
}
bool hovered, held;
bool pressed = ButtonBehavior(total_bb, id, &hovered, &held);
if (pressed)
{
*v = !(*v);
MarkItemEdited(id);
}
const ImRect check_bb(pos, pos + size);
RenderNavHighlight(total_bb, id);
RenderFrame(check_bb.Min, check_bb.Max, GetColorU32((held && hovered) ? ImGuiCol_FrameBgActive : hovered ? ImGuiCol_FrameBgHovered : ImGuiCol_FrameBg), true, style.FrameRounding);
RenderText(check_bb.Min + style.FramePadding, *v ? "1" : "0");
ImVec2 label_pos = ImVec2(check_bb.Max.x + style.ItemInnerSpacing.x, check_bb.Min.y + style.FramePadding.y);
if (label_size.x > 0.0f)
RenderText(label_pos, label);
IMGUI_TEST_ENGINE_ITEM_INFO(id, label, g.LastItemData.StatusFlags | ImGuiItemStatusFlags_Checkable | (*v ? ImGuiItemStatusFlags_Checked : 0));
return pressed;
}
}