Another benchmarking data set fix.

[movit] / resample_effect_test.cpp

diff --git a/resample_effect_test.cpp b/resample_effect_test.cpp
index 4faa810005e21759457de174dbb5c32ed6e73be1..a51c51d664d54801f2ea8389a69fbc94b632c0a0 100644 (file)
--- a/resample_effect_test.cpp
+++ b/resample_effect_test.cpp
@@ -437,7 +437,7 @@ TEST(ResampleEffectTest, Precision) {
 }
 
 #ifdef HAVE_BENCHMARK
-template<> inline uint8_t from_fp32<uint8_t>(float x) { return x; }
+template<> inline uint8_t from_fp32<uint8_t>(float x) { return lrintf(x * 255.0f); }
 
 template<class T>
 void BM_ResampleEffect(benchmark::State &state, GammaCurve gamma_curve, GLenum output_format, const std::string &shader_type)
@@ -452,7 +452,7 @@ void BM_ResampleEffect(benchmark::State &state, GammaCurve gamma_curve, GLenum o
        unique_ptr<T[]> out_data(new T[out_width * out_height * 4]);
 
        for (unsigned i = 0; i < in_width * in_height * 4; ++i) {
-               data[i] = from_fp32<T>(float(rand()));
+               data[i] = from_fp32<T>(rand() / (RAND_MAX + 1.0));
        }
 
        EffectChainTester tester(nullptr, out_width, out_height, FORMAT_BGRA_POSTMULTIPLIED_ALPHA, COLORSPACE_sRGB, gamma_curve, output_format);