Test new math built-in functions

Use random test data.
Test 1000 times.

Signed-off-by: Homer Hsing <homer.xing@intel.com>
Reviewed-by: Feng, Boqun <boqun.feng@intel.com>

1 files changed, 80 insertions, 0 deletions

diff --git a/utests/compiler_math_2op.cpp b/utests/compiler_math_2op.cpp
new file mode 100644
index 00000000..454967df
--- /dev/null
+++ b/utests/compiler_math_2op.cpp
@@ -0,0 +1,80 @@
+#include "utest_helper.hpp"
+#include <cmath>
+#include <algorithm>
+
+static float rnde(float v) {
+  if(v - floorf(v) > 0.5f)
+    return floorf(v) + 1;
+  if(v - floorf(v) < 0.5f)
+    return floorf(v);
+  if((int)(floorf(v)) & 1)
+    return floorf(v) + 1;
+  return floorf(v);
+}
+
+static void cpu_compiler_math(float *dst, float *src1, float *src2, int i)
+{
+  const float x = src1[i], y = src2[i];
+  switch (i) {
+    case 0: dst[i] = x / y; break;
+    case 1: dst[i] = x > y ? x - y : 0; break;
+    case 2: dst[i] = fminf(x - floorf(x), 0x1.FFFFFep-1F); break;
+    case 3: dst[i] = sqrtf(x*x + y*y); break;
+    case 4: dst[i] = x * powf(2, (int)y); break;
+    case 5: dst[i] = powf(x, (int)y); break;
+    case 6: dst[i] = x - rnde(x/y)*y; break;
+    case 7: dst[i] = powf(x, 1.f/(int)(y+1)); break;
+    case 8: dst[i] = x * y < 0 ? -x : x; break;
+    case 9: dst[i] = fabsf(x) > fabsf(y) ? x : fabsf(y) > fabsf(x) ? y : fmaxf(x, y); break;
+    case 10: dst[i] = fabsf(x) < fabsf(y) ? x : fabsf(y) < fabsf(x) ? y : fminf(x, y); break;
+    default: dst[i] = 1.f; break;
+  };
+}
+
+static void compiler_math_2op(void)
+{
+  const size_t n = 32;
+  float cpu_dst[32], cpu_src1[32], cpu_src2[32];
+
+  // Setup kernel and buffers
+  OCL_CREATE_KERNEL("compiler_math_2op");
+  OCL_CREATE_BUFFER(buf[0], 0, n * sizeof(float), NULL);
+  OCL_CREATE_BUFFER(buf[1], 0, n * sizeof(float), NULL);
+  OCL_CREATE_BUFFER(buf[2], 0, n * sizeof(float), NULL);
+  OCL_SET_ARG(0, sizeof(cl_mem), &buf[0]);
+  OCL_SET_ARG(1, sizeof(cl_mem), &buf[1]);
+  OCL_SET_ARG(2, sizeof(cl_mem), &buf[2]);
+  globals[0] = 16;
+  locals[0] = 16;
+
+  int j;
+  for(j = 0; j < 1000; j ++) {
+    OCL_MAP_BUFFER(1);
+    OCL_MAP_BUFFER(2);
+    for (uint32_t i = 0; i < 32; ++i) {
+      cpu_src1[i] = ((float*)buf_data[1])[i] = .1f * (rand() & 15);
+      cpu_src2[i] = ((float*)buf_data[2])[i] = .1f * (rand() & 15);
+    }
+    OCL_UNMAP_BUFFER(1);
+    OCL_UNMAP_BUFFER(2);
+    OCL_NDRANGE(1);
+
+    for (int i = 0; i < 16; ++i)
+      cpu_compiler_math(cpu_dst, cpu_src1, cpu_src2, i);
+    OCL_MAP_BUFFER(0);
+    for (int i = 0; i < 16; ++i) {
+      const float cpu = cpu_dst[i];
+      const float gpu = ((float*)buf_data[0])[i];
+      if (isinf(cpu))
+        OCL_ASSERT(isinf(gpu));
+      else if (isnan(cpu))
+        OCL_ASSERT(isnan(gpu));
+      else {
+        OCL_ASSERT(fabs(gpu-cpu) < 1e-3f);
+      }
+    }
+    OCL_UNMAP_BUFFER(0);
+  }
+}
+
+MAKE_UTEST_FROM_FUNCTION(compiler_math_2op)