From a556b45abf18f1bd509daaf63b66b7d55e9fd291 Mon Sep 17 00:00:00 2001
From: jjesswan <jessica_wan@brown.edu>
Date: Mon, 22 Apr 2024 21:56:26 -0400
Subject: add engine version

---
 .../glm-master/test/ext/ext_scalar_ulp.cpp         | 96 ++++++++++++++++++++++
 1 file changed, 96 insertions(+)
 create mode 100644 engine-ocean/External/glm-master/test/ext/ext_scalar_ulp.cpp

(limited to 'engine-ocean/External/glm-master/test/ext/ext_scalar_ulp.cpp')

diff --git a/engine-ocean/External/glm-master/test/ext/ext_scalar_ulp.cpp b/engine-ocean/External/glm-master/test/ext/ext_scalar_ulp.cpp
new file mode 100644
index 0000000..a19b774
--- /dev/null
+++ b/engine-ocean/External/glm-master/test/ext/ext_scalar_ulp.cpp
@@ -0,0 +1,96 @@
+#include <glm/ext/scalar_ulp.hpp>
+#include <glm/ext/scalar_relational.hpp>
+
+static int test_ulp_float_dist()
+{
+	int Error = 0;
+
+	float A = 1.0f;
+
+	float B = glm::nextFloat(A);
+	Error += glm::notEqual(A, B, 0) ? 0 : 1;
+	float C = glm::prevFloat(B);
+	Error += glm::equal(A, C, 0) ? 0 : 1;
+
+	int D = glm::floatDistance(A, B);
+	Error += D == 1 ? 0 : 1;
+	int E = glm::floatDistance(A, C);
+	Error += E == 0 ? 0 : 1;
+
+	return Error;
+}
+
+static int test_ulp_float_step()
+{
+	int Error = 0;
+
+	float A = 1.0f;
+
+	for(int i = 10; i < 1000; i *= 10)
+	{
+		float B = glm::nextFloat(A, i);
+		Error += glm::notEqual(A, B, 0) ? 0 : 1;
+		float C = glm::prevFloat(B, i);
+		Error += glm::equal(A, C, 0) ? 0 : 1;
+
+		int D = glm::floatDistance(A, B);
+		Error += D == i ? 0 : 1;
+		int E = glm::floatDistance(A, C);
+		Error += E == 0 ? 0 : 1;
+	}
+
+	return Error;
+}
+
+static int test_ulp_double_dist()
+{
+	int Error = 0;
+
+	double A = 1.0;
+
+	double B = glm::nextFloat(A);
+	Error += glm::notEqual(A, B, 0) ? 0 : 1;
+	double C = glm::prevFloat(B);
+	Error += glm::equal(A, C, 0) ? 0 : 1;
+
+	glm::int64 const D = glm::floatDistance(A, B);
+	Error += D == 1 ? 0 : 1;
+	glm::int64 const E = glm::floatDistance(A, C);
+	Error += E == 0 ? 0 : 1;
+
+	return Error;
+}
+
+static int test_ulp_double_step()
+{
+	int Error = 0;
+
+	double A = 1.0;
+
+	for(int i = 10; i < 1000; i *= 10)
+	{
+		double B = glm::nextFloat(A, i);
+		Error += glm::notEqual(A, B, 0) ? 0 : 1;
+		double C = glm::prevFloat(B, i);
+		Error += glm::equal(A, C, 0) ? 0 : 1;
+
+		glm::int64 const D = glm::floatDistance(A, B);
+		Error += D == i ? 0 : 1;
+		glm::int64 const E = glm::floatDistance(A, C);
+		Error += E == 0 ? 0 : 1;
+	}
+
+	return Error;
+}
+
+int main()
+{
+	int Error = 0;
+
+	Error += test_ulp_float_dist();
+	Error += test_ulp_float_step();
+	Error += test_ulp_double_dist();
+	Error += test_ulp_double_step();
+
+	return Error;
+}
-- 
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