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Disambiguate nextafter #1202

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Merged
bader merged 1 commit into from
May 28, 2026
Merged

Disambiguate nextafter #1202

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6 changes: 4 additions & 2 deletions util/math_reference.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -519,7 +519,8 @@ sycl::half fdim(sycl::half a, sycl::half b) {
double resd = static_cast<double>(a) - static_cast<double>(b);
sycl::half res = static_cast<sycl::half>(resd);
double diff = resd - static_cast<double>(res);
sycl::half next = nextafter(res, static_cast<sycl::half>(DBL_MAX * diff));
sycl::half next =
reference::nextafter(res, static_cast<sycl::half>(DBL_MAX * diff));
if (static_cast<double>(next) - resd == diff) {
int16_t rep;
type_punn(next, rep);
Expand All @@ -532,7 +533,8 @@ sycl::half fdim(sycl::half a, sycl::half b) {

sycl::half fract(sycl::half a, sycl::half* b) {
*b = std::floor(a);
return std::fmin(a - *b, nextafter(sycl::half(1.0), sycl::half(0.0)));
return std::fmin(a - *b,
reference::nextafter(sycl::half(1.0), sycl::half(0.0)));
}

sycl::half nan(unsigned short a) { return nan(unsigned(a)); }
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