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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 17:32:43 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 17:32:43 +0000
commit6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch)
treea68f146d7fa01f0134297619fbe7e33db084e0aa /comm/third_party/json-c/math_compat.h
parentInitial commit. (diff)
downloadthunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.tar.xz
thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.zip
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'comm/third_party/json-c/math_compat.h')
-rw-r--r--comm/third_party/json-c/math_compat.h43
1 files changed, 43 insertions, 0 deletions
diff --git a/comm/third_party/json-c/math_compat.h b/comm/third_party/json-c/math_compat.h
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+++ b/comm/third_party/json-c/math_compat.h
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+#ifndef __math_compat_h
+#define __math_compat_h
+
+/**
+ * @file
+ * @brief Do not use, json-c internal, may be changed or removed at any time.
+ */
+
+/* Define isnan, isinf, infinity and nan on Windows/MSVC */
+
+#ifndef HAVE_DECL_ISNAN
+#ifdef HAVE_DECL__ISNAN
+#include <float.h>
+#define isnan(x) _isnan(x)
+#else
+/* On platforms like AIX and "IBM i" we need to provide our own isnan */
+#define isnan(x) ((x) != (x))
+#endif
+#endif
+
+#ifndef HAVE_DECL_ISINF
+#ifdef HAVE_DECL__FINITE
+#include <float.h>
+#define isinf(x) (!_finite(x))
+#else
+#include <float.h>
+/* On platforms like AIX and "IBM i" we need to provide our own isinf */
+#define isinf(x) ((x) < -DBL_MAX || (x) > DBL_MAX)
+#endif
+#endif
+
+#ifndef HAVE_DECL_INFINITY
+#include <float.h>
+#define INFINITY (DBL_MAX + DBL_MAX)
+#define HAVE_DECL_INFINITY
+#endif
+
+#ifndef HAVE_DECL_NAN
+#define NAN (INFINITY - INFINITY)
+#define HAVE_DECL_NAN
+#endif
+
+#endif