summaryrefslogtreecommitdiff
path: root/absl/hash/internal/hash.h
diff options
context:
space:
mode:
Diffstat (limited to 'absl/hash/internal/hash.h')
-rw-r--r--absl/hash/internal/hash.h9
1 files changed, 6 insertions, 3 deletions
diff --git a/absl/hash/internal/hash.h b/absl/hash/internal/hash.h
index bd07677a..4db816c7 100644
--- a/absl/hash/internal/hash.h
+++ b/absl/hash/internal/hash.h
@@ -221,7 +221,9 @@ typename std::enable_if<std::is_enum<Enum>::value, H>::type AbslHashValue(
}
// AbslHashValue() for hashing floating-point values
template <typename H, typename Float>
-typename std::enable_if<std::is_floating_point<Float>::value, H>::type
+typename std::enable_if<std::is_same<Float, float>::value ||
+ std::is_same<Float, double>::value,
+ H>::type
AbslHashValue(H hash_state, Float value) {
return hash_internal::hash_bytes(std::move(hash_state),
value == 0 ? 0 : value);
@@ -231,8 +233,9 @@ AbslHashValue(H hash_state, Float value) {
// For example, in x86 sizeof(long double)==16 but it only really uses 80-bits
// of it. This means we can't use hash_bytes on a long double and have to
// convert it to something else first.
-template <typename H>
-H AbslHashValue(H hash_state, long double value) {
+template <typename H, typename LongDouble>
+typename std::enable_if<std::is_same<LongDouble, long double>::value, H>::type
+AbslHashValue(H hash_state, LongDouble value) {
const int category = std::fpclassify(value);
switch (category) {
case FP_INFINITE: