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kernel
void test_length_distance() {
volatile float a = 18446744073709551616.0f; /* 2^64 */
volatile float e = 1.0f;
volatile float l = length(a);
if (l != 18446744073709551616.0f) {
printf("length(float) failed.\n");
}
volatile float d = distance(a, e);
if (d != 18446744073709551616.0f) {
printf("distance(float,float) failed.\n");
}
volatile float n = normalize(a);
if (n != 1.0f) {
printf("normalize(float) failed.\n");
}
volatile float2 a2 = (float2)(18446744073709551616.0f,
18446744073709551616.0f); /* 2^64 */
volatile float2 e2 = (float2)(1.0f, 1.0f);
volatile float l2 = length(a2);
if (l2 != 2.6087635e19f) {
printf("length(float2) failed.\n");
}
volatile float d2 = distance(a2, e2);
if (d2 != 2.6087635e19f) {
printf("distance(float2,float2) failed.\n");
}
volatile float2 n2 = normalize(a2);
if (any(n2 != (float2)(0.70710677f, 0.70710677f))) {
printf("normalize(float2) failed.\n");
}
volatile float3 a3 = (float3)(18446744073709551616.0f,
18446744073709551616.0f,
18446744073709551616.0f); /* 2^64 */
volatile float3 e3 = (float3)(1.0f, 1.0f, 1.0f);
float l3 = length(a3);
if (l3 != 3.1950697e19f) {
printf("length(float3) failed.\n");
}
float d3 = distance(a3, e3);
if (d3 != 3.1950697e19f) {
printf("distance(float3,float3) failed.\n");
}
float3 n3 = normalize(a3);
if (any(n3 != (float3)(0.57735026f, 0.57735026f, 0.57735026f))) {
printf("normalize(float3) failed.\n");
}
volatile float4 a4 = (float4)(18446744073709551616.0f,
18446744073709551616.0f,
18446744073709551616.0f,
18446744073709551616.0f); /* 2^64 */
volatile float4 e4 = (float4)(1.0f, 1.0f, 1.0f, 1.0f);
float l4 = length(a4);
if (l4 != 3.689349e19f) {
printf("length(float4) failed.\n");
}
float d4 = distance(a4, e4);
if (d4 != 3.689349e19f) {
printf("distance(float4,float4) failed.\n");
}
float4 n4 = normalize(a4);
if (any(n4 != (float4)(0.5f, 0.5f, 0.5f, 0.5f))) {
printf("normalize(float4) failed.\n");
}
}
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