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Merge remote-tracking branch 'upstream/3.4' into merge-3.4

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This commit is contained in:
Alexander Alekhin
2023-01-21 18:19:39 +00:00
parent 3085fc6345 b71a168937
commit 18cbfa4a4f
74 changed files with 249 additions and 228 deletions
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modules/core/include/opencv2/core/fast_math.hpp
+1 -1
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@@ -306,7 +306,7 @@ CV_INLINE int cvIsInf( double value )
#elif defined(__x86_64__) || defined(_M_X64) || defined(__aarch64__) || defined(_M_ARM64) || defined(__PPC64__) || defined(__loongarch64)
Cv64suf ieee754;
ieee754.f = value;
return (ieee754.u & 0x7fffffff00000000) ==
return (ieee754.u & 0x7fffffffffffffff) ==
0x7ff0000000000000;
#else
Cv64suf ieee754;
modules/core/src/system.cpp
+9
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@@ -247,6 +247,7 @@ std::wstring GetTempFileNameWinRT(std::wstring prefix)
#if defined __MACH__ && defined __APPLE__
#include <mach/mach.h>
#include <mach/mach_time.h>
#include <sys/sysctl.h>
#endif
#endif
@@ -635,6 +636,14 @@ struct HWFeatures
#if (defined __ARM_FP && (((__ARM_FP & 0x2) != 0) && defined __ARM_NEON__))
have[CV_CPU_FP16] = true;
#endif
#if (defined __ARM_FEATURE_DOTPROD)
int has_feat_dotprod = 0;
size_t has_feat_dotprod_size = sizeof(has_feat_dotprod);
sysctlbyname("hw.optional.arm.FEAT_DotProd", &has_feat_dotprod, &has_feat_dotprod_size, NULL, 0);
if (has_feat_dotprod) {
have[CV_CPU_NEON_DOTPROD] = true;
}
#endif
#elif (defined __clang__)
#if (defined __ARM_NEON__ || (defined __ARM_NEON && defined __aarch64__))
have[CV_CPU_NEON] = true;
modules/core/test/test_math.cpp
+14
View File
@@ -3992,6 +3992,13 @@ TEST(Core_FastMath, InlineNaN)
EXPECT_EQ( cvIsNaN((double) NAN), 1);
EXPECT_EQ( cvIsNaN((double) -NAN), 1);
EXPECT_EQ( cvIsNaN(0.0), 0);
// Regression: check the +/-Inf cases
Cv64suf suf;
suf.u = 0x7FF0000000000000UL;
EXPECT_EQ( cvIsNaN(suf.f), 0);
suf.u = 0xFFF0000000000000UL;
EXPECT_EQ( cvIsNaN(suf.f), 0);
}
TEST(Core_FastMath, InlineIsInf)
@@ -4003,6 +4010,13 @@ TEST(Core_FastMath, InlineIsInf)
EXPECT_EQ( cvIsInf((double) HUGE_VAL), 1);
EXPECT_EQ( cvIsInf((double) -HUGE_VAL), 1);
EXPECT_EQ( cvIsInf(0.0), 0);
// Regression: check the cases of 0x7FF00000xxxxxxxx
Cv64suf suf;
suf.u = 0x7FF0000000000001UL;
EXPECT_EQ( cvIsInf(suf.f), 0);
suf.u = 0x7FF0000012345678UL;
EXPECT_EQ( cvIsInf(suf.f), 0);
}
}} // namespace