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-rw-r--r--layers/parameter_validation_utils.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/layers/parameter_validation_utils.cpp b/layers/parameter_validation_utils.cpp
index e5842699..3a4d0aa0 100644
--- a/layers/parameter_validation_utils.cpp
+++ b/layers/parameter_validation_utils.cpp
@@ -1021,7 +1021,7 @@ bool pv_VkViewport(const layer_data *device_data, const VkViewport &viewport, co
// - VkPhysicalDeviceLimits::maxViewportDimensions is uint32_t, not float -> careful.
const auto f_lte_u32_exact = [](const float v1_f, const uint32_t v2_u32) {
- if (isnan(v1_f)) return false;
+ if (std::isnan(v1_f)) return false;
if (v1_f <= 0.0f) return true;
float intpart;