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authorLexi Winter <lexi@le-fay.org>2025-06-29 19:25:29 +0100
committerLexi Winter <lexi@le-fay.org>2025-06-29 19:25:29 +0100
commitbc524d70253a4ab2fe40c3ca3e5666e267c0a4d1 (patch)
tree1e629e7b46b1d9972a973bc93fd100bcebd395be /src/catch2/internal/catch_floating_point_helpers.cpp
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Diffstat (limited to 'src/catch2/internal/catch_floating_point_helpers.cpp')
-rw-r--r--src/catch2/internal/catch_floating_point_helpers.cpp43
1 files changed, 43 insertions, 0 deletions
diff --git a/src/catch2/internal/catch_floating_point_helpers.cpp b/src/catch2/internal/catch_floating_point_helpers.cpp
new file mode 100644
index 0000000..9631ed6
--- /dev/null
+++ b/src/catch2/internal/catch_floating_point_helpers.cpp
@@ -0,0 +1,43 @@
+
+// Copyright Catch2 Authors
+// Distributed under the Boost Software License, Version 1.0.
+// (See accompanying file LICENSE.txt or copy at
+// https://www.boost.org/LICENSE_1_0.txt)
+
+// SPDX-License-Identifier: BSL-1.0
+
+#include <catch2/internal/catch_floating_point_helpers.hpp>
+
+#include <cstring>
+
+namespace Catch {
+ namespace Detail {
+
+ uint32_t convertToBits(float f) {
+ static_assert(sizeof(float) == sizeof(uint32_t), "Important ULP matcher assumption violated");
+ uint32_t i;
+ std::memcpy(&i, &f, sizeof(f));
+ return i;
+ }
+
+ uint64_t convertToBits(double d) {
+ static_assert(sizeof(double) == sizeof(uint64_t), "Important ULP matcher assumption violated");
+ uint64_t i;
+ std::memcpy(&i, &d, sizeof(d));
+ return i;
+ }
+
+#if defined( __GNUC__ ) || defined( __clang__ )
+# pragma GCC diagnostic push
+# pragma GCC diagnostic ignored "-Wfloat-equal"
+#endif
+ bool directCompare( float lhs, float rhs ) { return lhs == rhs; }
+ bool directCompare( double lhs, double rhs ) { return lhs == rhs; }
+#if defined( __GNUC__ ) || defined( __clang__ )
+# pragma GCC diagnostic pop
+#endif
+
+
+ } // end namespace Detail
+} // end namespace Catch
+