ICU-20979 Updating double-conversion from upstream master
diff --git a/icu4c/source/i18n/double-conversion-ieee.h b/icu4c/source/i18n/double-conversion-ieee.h
index f4c62a9..31c3586 100644
--- a/icu4c/source/i18n/double-conversion-ieee.h
+++ b/icu4c/source/i18n/double-conversion-ieee.h
@@ -59,6 +59,7 @@
static const uint64_t kExponentMask = DOUBLE_CONVERSION_UINT64_2PART_C(0x7FF00000, 00000000);
static const uint64_t kSignificandMask = DOUBLE_CONVERSION_UINT64_2PART_C(0x000FFFFF, FFFFFFFF);
static const uint64_t kHiddenBit = DOUBLE_CONVERSION_UINT64_2PART_C(0x00100000, 00000000);
+ static const uint64_t kQuietNanBit = DOUBLE_CONVERSION_UINT64_2PART_C(0x00080000, 00000000);
static const int kPhysicalSignificandSize = 52; // Excludes the hidden bit.
static const int kSignificandSize = 53;
static const int kExponentBias = 0x3FF + kPhysicalSignificandSize;
@@ -162,6 +163,15 @@
((d64 & kSignificandMask) != 0);
}
+ bool IsQuietNan() const {
+ return IsNan() && ((AsUint64() & kQuietNanBit) != 0);
+ }
+
+ bool IsSignalingNan() const {
+ return IsNan() && ((AsUint64() & kQuietNanBit) == 0);
+ }
+
+
bool IsInfinite() const {
uint64_t d64 = AsUint64();
return ((d64 & kExponentMask) == kExponentMask) &&
@@ -280,6 +290,7 @@
static const uint32_t kExponentMask = 0x7F800000;
static const uint32_t kSignificandMask = 0x007FFFFF;
static const uint32_t kHiddenBit = 0x00800000;
+ static const uint32_t kQuietNanBit = 0x00400000;
static const int kPhysicalSignificandSize = 23; // Excludes the hidden bit.
static const int kSignificandSize = 24;
@@ -338,6 +349,15 @@
((d32 & kSignificandMask) != 0);
}
+ bool IsQuietNan() const {
+ return IsNan() && ((AsUint32() & kQuietNanBit) != 0);
+ }
+
+ bool IsSignalingNan() const {
+ return IsNan() && ((AsUint32() & kQuietNanBit) == 0);
+ }
+
+
bool IsInfinite() const {
uint32_t d32 = AsUint32();
return ((d32 & kExponentMask) == kExponentMask) &&
diff --git a/icu4c/source/i18n/double-conversion-string-to-double.cpp b/icu4c/source/i18n/double-conversion-string-to-double.cpp
index 946b2b2..548cad1 100644
--- a/icu4c/source/i18n/double-conversion-string-to-double.cpp
+++ b/icu4c/source/i18n/double-conversion-string-to-double.cpp
@@ -462,11 +462,6 @@
}
}
- // The longest form of simplified number is: "-<significant digits>.1eXXX\0".
- const int kBufferSize = kMaxSignificantDigits + 10;
- char buffer[kBufferSize]; // NOLINT: size is known at compile time.
- int buffer_pos = 0;
-
// Exponent will be adjusted if insignificant digits of the integer part
// or insignificant leading zeros of the fractional part are dropped.
int exponent = 0;
@@ -501,7 +496,6 @@
return junk_string_value_;
}
- DOUBLE_CONVERSION_ASSERT(buffer_pos == 0);
*processed_characters_count = static_cast<int>(current - input);
return sign ? -Double::Infinity() : Double::Infinity();
}
@@ -520,7 +514,6 @@
return junk_string_value_;
}
- DOUBLE_CONVERSION_ASSERT(buffer_pos == 0);
*processed_characters_count = static_cast<int>(current - input);
return sign ? -Double::NaN() : Double::NaN();
}
@@ -577,6 +570,12 @@
bool octal = leading_zero && (flags_ & ALLOW_OCTALS) != 0;
+ // The longest form of simplified number is: "-<significant digits>.1eXXX\0".
+ const int kBufferSize = kMaxSignificantDigits + 10;
+ DOUBLE_CONVERSION_STACK_UNINITIALIZED char
+ buffer[kBufferSize]; // NOLINT: size is known at compile time.
+ int buffer_pos = 0;
+
// Copy significant digits of the integer part (if any) to the buffer.
while (*current >= '0' && *current <= '9') {
if (significant_digits < kMaxSignificantDigits) {
diff --git a/icu4c/source/i18n/double-conversion-strtod.cpp b/icu4c/source/i18n/double-conversion-strtod.cpp
index 9cf4854..ee63777 100644
--- a/icu4c/source/i18n/double-conversion-strtod.cpp
+++ b/icu4c/source/i18n/double-conversion-strtod.cpp
@@ -49,10 +49,12 @@
namespace double_conversion {
+#if defined(DOUBLE_CONVERSION_CORRECT_DOUBLE_OPERATIONS)
// 2^53 = 9007199254740992.
// Any integer with at most 15 decimal digits will hence fit into a double
// (which has a 53bit significand) without loss of precision.
static const int kMaxExactDoubleIntegerDecimalDigits = 15;
+#endif // #if defined(DOUBLE_CONVERSION_CORRECT_DOUBLE_OPERATIONS)
// 2^64 = 18446744073709551616 > 10^19
static const int kMaxUint64DecimalDigits = 19;
@@ -69,6 +71,7 @@
static const uint64_t kMaxUint64 = DOUBLE_CONVERSION_UINT64_2PART_C(0xFFFFFFFF, FFFFFFFF);
+#if defined(DOUBLE_CONVERSION_CORRECT_DOUBLE_OPERATIONS)
static const double exact_powers_of_ten[] = {
1.0, // 10^0
10.0,
@@ -96,6 +99,7 @@
10000000000000000000000.0
};
static const int kExactPowersOfTenSize = DOUBLE_CONVERSION_ARRAY_SIZE(exact_powers_of_ten);
+#endif // #if defined(DOUBLE_CONVERSION_CORRECT_DOUBLE_OPERATIONS)
// Maximum number of significant digits in the decimal representation.
// In fact the value is 772 (see conversions.cc), but to give us some margin
diff --git a/icu4c/source/i18n/double-conversion-utils.h b/icu4c/source/i18n/double-conversion-utils.h
index 0992984..10d8fdd 100644
--- a/icu4c/source/i18n/double-conversion-utils.h
+++ b/icu4c/source/i18n/double-conversion-utils.h
@@ -74,6 +74,12 @@
#endif
#endif
+#if defined(__clang__) && __has_attribute(uninitialized)
+#define DOUBLE_CONVERSION_STACK_UNINITIALIZED __attribute__((uninitialized))
+#else
+#define DOUBLE_CONVERSION_STACK_UNINITIALIZED
+#endif
+
// Double operations detection based on target architecture.
// Linux uses a 80bit wide floating point stack on x86. This induces double
// rounding, which in turn leads to wrong results.
@@ -104,6 +110,7 @@
defined(__ARMEL__) || defined(__avr32__) || defined(_M_ARM) || defined(_M_ARM64) || \
defined(__hppa__) || defined(__ia64__) || \
defined(__mips__) || \
+ defined(__nios2__) || \
defined(__powerpc__) || defined(__ppc__) || defined(__ppc64__) || \
defined(_POWER) || defined(_ARCH_PPC) || defined(_ARCH_PPC64) || \
defined(__sparc__) || defined(__sparc) || defined(__s390__) || \
@@ -112,7 +119,8 @@
defined(__AARCH64EL__) || defined(__aarch64__) || defined(__AARCH64EB__) || \
defined(__riscv) || defined(__e2k__) || \
defined(__or1k__) || defined(__arc__) || \
- defined(__EMSCRIPTEN__)
+ defined(__microblaze__) || defined(__XTENSA__) || \
+ defined(__EMSCRIPTEN__) || defined(__wasm32__)
#define DOUBLE_CONVERSION_CORRECT_DOUBLE_OPERATIONS 1
#elif defined(__mc68000__) || \
defined(__pnacl__) || defined(__native_client__)
diff --git a/vendor/double-conversion/upstream/Changelog b/vendor/double-conversion/upstream/Changelog
index f774727..a3add38 100644
--- a/vendor/double-conversion/upstream/Changelog
+++ b/vendor/double-conversion/upstream/Changelog
@@ -1,3 +1,14 @@
+2020-02-16:
+ Add support for quiet and signaling NaNs to ieee header.
+
+2019-10-31:
+ Add support for xtensa architecture.
+ Add support for nios2 architecture.
+
+2019-10-12:
+ Really add support for microblaze. A previous commit was lacking
+ the necessary line.
+
2019-09-02:
Add support for e2k architectur. Thanks to Michael Shigorin.
diff --git a/vendor/double-conversion/upstream/double-conversion/ieee.h b/vendor/double-conversion/upstream/double-conversion/ieee.h
index 8c3b862..3c2a597 100644
--- a/vendor/double-conversion/upstream/double-conversion/ieee.h
+++ b/vendor/double-conversion/upstream/double-conversion/ieee.h
@@ -45,6 +45,7 @@
static const uint64_t kExponentMask = DOUBLE_CONVERSION_UINT64_2PART_C(0x7FF00000, 00000000);
static const uint64_t kSignificandMask = DOUBLE_CONVERSION_UINT64_2PART_C(0x000FFFFF, FFFFFFFF);
static const uint64_t kHiddenBit = DOUBLE_CONVERSION_UINT64_2PART_C(0x00100000, 00000000);
+ static const uint64_t kQuietNanBit = DOUBLE_CONVERSION_UINT64_2PART_C(0x00080000, 00000000);
static const int kPhysicalSignificandSize = 52; // Excludes the hidden bit.
static const int kSignificandSize = 53;
static const int kExponentBias = 0x3FF + kPhysicalSignificandSize;
@@ -148,6 +149,15 @@
((d64 & kSignificandMask) != 0);
}
+ bool IsQuietNan() const {
+ return IsNan() && ((AsUint64() & kQuietNanBit) != 0);
+ }
+
+ bool IsSignalingNan() const {
+ return IsNan() && ((AsUint64() & kQuietNanBit) == 0);
+ }
+
+
bool IsInfinite() const {
uint64_t d64 = AsUint64();
return ((d64 & kExponentMask) == kExponentMask) &&
@@ -266,6 +276,7 @@
static const uint32_t kExponentMask = 0x7F800000;
static const uint32_t kSignificandMask = 0x007FFFFF;
static const uint32_t kHiddenBit = 0x00800000;
+ static const uint32_t kQuietNanBit = 0x00400000;
static const int kPhysicalSignificandSize = 23; // Excludes the hidden bit.
static const int kSignificandSize = 24;
@@ -324,6 +335,15 @@
((d32 & kSignificandMask) != 0);
}
+ bool IsQuietNan() const {
+ return IsNan() && ((AsUint32() & kQuietNanBit) != 0);
+ }
+
+ bool IsSignalingNan() const {
+ return IsNan() && ((AsUint32() & kQuietNanBit) == 0);
+ }
+
+
bool IsInfinite() const {
uint32_t d32 = AsUint32();
return ((d32 & kExponentMask) == kExponentMask) &&
diff --git a/vendor/double-conversion/upstream/double-conversion/string-to-double.cc b/vendor/double-conversion/upstream/double-conversion/string-to-double.cc
index d7f7a4a..12b88f9 100644
--- a/vendor/double-conversion/upstream/double-conversion/string-to-double.cc
+++ b/vendor/double-conversion/upstream/double-conversion/string-to-double.cc
@@ -441,11 +441,6 @@
}
}
- // The longest form of simplified number is: "-<significant digits>.1eXXX\0".
- const int kBufferSize = kMaxSignificantDigits + 10;
- char buffer[kBufferSize]; // NOLINT: size is known at compile time.
- int buffer_pos = 0;
-
// Exponent will be adjusted if insignificant digits of the integer part
// or insignificant leading zeros of the fractional part are dropped.
int exponent = 0;
@@ -480,7 +475,6 @@
return junk_string_value_;
}
- DOUBLE_CONVERSION_ASSERT(buffer_pos == 0);
*processed_characters_count = static_cast<int>(current - input);
return sign ? -Double::Infinity() : Double::Infinity();
}
@@ -499,7 +493,6 @@
return junk_string_value_;
}
- DOUBLE_CONVERSION_ASSERT(buffer_pos == 0);
*processed_characters_count = static_cast<int>(current - input);
return sign ? -Double::NaN() : Double::NaN();
}
@@ -556,6 +549,12 @@
bool octal = leading_zero && (flags_ & ALLOW_OCTALS) != 0;
+ // The longest form of simplified number is: "-<significant digits>.1eXXX\0".
+ const int kBufferSize = kMaxSignificantDigits + 10;
+ DOUBLE_CONVERSION_STACK_UNINITIALIZED char
+ buffer[kBufferSize]; // NOLINT: size is known at compile time.
+ int buffer_pos = 0;
+
// Copy significant digits of the integer part (if any) to the buffer.
while (*current >= '0' && *current <= '9') {
if (significant_digits < kMaxSignificantDigits) {
diff --git a/vendor/double-conversion/upstream/double-conversion/strtod.cc b/vendor/double-conversion/upstream/double-conversion/strtod.cc
index d0bb7f7..3da7a42 100644
--- a/vendor/double-conversion/upstream/double-conversion/strtod.cc
+++ b/vendor/double-conversion/upstream/double-conversion/strtod.cc
@@ -35,10 +35,12 @@
namespace double_conversion {
+#if defined(DOUBLE_CONVERSION_CORRECT_DOUBLE_OPERATIONS)
// 2^53 = 9007199254740992.
// Any integer with at most 15 decimal digits will hence fit into a double
// (which has a 53bit significand) without loss of precision.
static const int kMaxExactDoubleIntegerDecimalDigits = 15;
+#endif // #if defined(DOUBLE_CONVERSION_CORRECT_DOUBLE_OPERATIONS)
// 2^64 = 18446744073709551616 > 10^19
static const int kMaxUint64DecimalDigits = 19;
@@ -55,6 +57,7 @@
static const uint64_t kMaxUint64 = DOUBLE_CONVERSION_UINT64_2PART_C(0xFFFFFFFF, FFFFFFFF);
+#if defined(DOUBLE_CONVERSION_CORRECT_DOUBLE_OPERATIONS)
static const double exact_powers_of_ten[] = {
1.0, // 10^0
10.0,
@@ -82,6 +85,7 @@
10000000000000000000000.0
};
static const int kExactPowersOfTenSize = DOUBLE_CONVERSION_ARRAY_SIZE(exact_powers_of_ten);
+#endif // #if defined(DOUBLE_CONVERSION_CORRECT_DOUBLE_OPERATIONS)
// Maximum number of significant digits in the decimal representation.
// In fact the value is 772 (see conversions.cc), but to give us some margin
diff --git a/vendor/double-conversion/upstream/double-conversion/utils.h b/vendor/double-conversion/upstream/double-conversion/utils.h
index 1a71df0..471c3da 100644
--- a/vendor/double-conversion/upstream/double-conversion/utils.h
+++ b/vendor/double-conversion/upstream/double-conversion/utils.h
@@ -64,6 +64,12 @@
#endif
#endif
+#if defined(__clang__) && __has_attribute(uninitialized)
+#define DOUBLE_CONVERSION_STACK_UNINITIALIZED __attribute__((uninitialized))
+#else
+#define DOUBLE_CONVERSION_STACK_UNINITIALIZED
+#endif
+
// Double operations detection based on target architecture.
// Linux uses a 80bit wide floating point stack on x86. This induces double
// rounding, which in turn leads to wrong results.
@@ -94,6 +100,7 @@
defined(__ARMEL__) || defined(__avr32__) || defined(_M_ARM) || defined(_M_ARM64) || \
defined(__hppa__) || defined(__ia64__) || \
defined(__mips__) || \
+ defined(__nios2__) || \
defined(__powerpc__) || defined(__ppc__) || defined(__ppc64__) || \
defined(_POWER) || defined(_ARCH_PPC) || defined(_ARCH_PPC64) || \
defined(__sparc__) || defined(__sparc) || defined(__s390__) || \
@@ -102,7 +109,8 @@
defined(__AARCH64EL__) || defined(__aarch64__) || defined(__AARCH64EB__) || \
defined(__riscv) || defined(__e2k__) || \
defined(__or1k__) || defined(__arc__) || \
- defined(__EMSCRIPTEN__)
+ defined(__microblaze__) || defined(__XTENSA__) || \
+ defined(__EMSCRIPTEN__) || defined(__wasm32__)
#define DOUBLE_CONVERSION_CORRECT_DOUBLE_OPERATIONS 1
#elif defined(__mc68000__) || \
defined(__pnacl__) || defined(__native_client__)
diff --git a/vendor/double-conversion/upstream/test/cctest/test-conversions.cc b/vendor/double-conversion/upstream/test/cctest/test-conversions.cc
index e723c95..650154b 100644
--- a/vendor/double-conversion/upstream/test/cctest/test-conversions.cc
+++ b/vendor/double-conversion/upstream/test/cctest/test-conversions.cc
@@ -1,4 +1,29 @@
// Copyright 2012 the V8 project authors. All rights reserved.
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following
+// disclaimer in the documentation and/or other materials provided
+// with the distribution.
+// * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived
+// from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include <string.h>
diff --git a/vendor/double-conversion/upstream/test/cctest/test-diy-fp.cc b/vendor/double-conversion/upstream/test/cctest/test-diy-fp.cc
index 16209a9..ece4379 100644
--- a/vendor/double-conversion/upstream/test/cctest/test-diy-fp.cc
+++ b/vendor/double-conversion/upstream/test/cctest/test-diy-fp.cc
@@ -1,4 +1,29 @@
// Copyright 2006-2008 the V8 project authors. All rights reserved.
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following
+// disclaimer in the documentation and/or other materials provided
+// with the distribution.
+// * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived
+// from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include <stdlib.h>
diff --git a/vendor/double-conversion/upstream/test/cctest/test-fast-dtoa.cc b/vendor/double-conversion/upstream/test/cctest/test-fast-dtoa.cc
index 6a523cf..df6165b 100644
--- a/vendor/double-conversion/upstream/test/cctest/test-fast-dtoa.cc
+++ b/vendor/double-conversion/upstream/test/cctest/test-fast-dtoa.cc
@@ -1,4 +1,29 @@
// Copyright 2006-2008 the V8 project authors. All rights reserved.
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following
+// disclaimer in the documentation and/or other materials provided
+// with the distribution.
+// * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived
+// from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include <stdlib.h>
diff --git a/vendor/double-conversion/upstream/test/cctest/test-ieee.cc b/vendor/double-conversion/upstream/test/cctest/test-ieee.cc
index f5285a3..312eccd 100644
--- a/vendor/double-conversion/upstream/test/cctest/test-ieee.cc
+++ b/vendor/double-conversion/upstream/test/cctest/test-ieee.cc
@@ -1,6 +1,32 @@
// Copyright 2006-2008 the V8 project authors. All rights reserved.
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following
+// disclaimer in the documentation and/or other materials provided
+// with the distribution.
+// * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived
+// from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include <stdlib.h>
+#include <limits>
#include "cctest.h"
#include "double-conversion/diy-fp.h"
@@ -419,3 +445,19 @@
CHECK_EQ(-Double::Infinity(),
Double(DOUBLE_CONVERSION_UINT64_2PART_C(0xffefffff, ffffffff)).PreviousDouble());
}
+
+TEST(SignalingNan) {
+ Double nan(Double::NaN());
+ CHECK(nan.IsNan());
+ CHECK(nan.IsQuietNan());
+ CHECK(Double(std::numeric_limits<double>::quiet_NaN()).IsQuietNan());
+ CHECK(Double(std::numeric_limits<double>::signaling_NaN()).IsSignalingNan());
+}
+
+TEST(SignalingNanSingle) {
+ Single nan(Single::NaN());
+ CHECK(nan.IsNan());
+ CHECK(nan.IsQuietNan());
+ CHECK(Single(std::numeric_limits<float>::quiet_NaN()).IsQuietNan());
+ CHECK(Single(std::numeric_limits<float>::signaling_NaN()).IsSignalingNan());
+}
diff --git a/vendor/double-conversion/upstream/test/cctest/test-strtod.cc b/vendor/double-conversion/upstream/test/cctest/test-strtod.cc
index 62badbd..d1295aa 100644
--- a/vendor/double-conversion/upstream/test/cctest/test-strtod.cc
+++ b/vendor/double-conversion/upstream/test/cctest/test-strtod.cc
@@ -1,4 +1,29 @@
// Copyright 2006-2008 the V8 project authors. All rights reserved.
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following
+// disclaimer in the documentation and/or other materials provided
+// with the distribution.
+// * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived
+// from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include <stdlib.h>
