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use c16_t type for pm weights, as it is already same type

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simplify SIMD version of precoder
This commit is contained in:
Laurent THOMAS
2025-10-09 16:04:43 +02:00
parent fb47748fae
commit e056acc896
7 changed files with 282 additions and 414 deletions
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openair1/PHY/MODULATION/tests/test_nr_modulation.cpp
+4 -8
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@@ -85,8 +85,7 @@ TEST(NrLayerPrecoderTest, Basic)
// Create and populate the pmi_pdu structure
nfapi_nr_pm_pdu_t pmi_pdu = {0};
for (int layer = 0; layer < n_layers; ++layer) {
pmi_pdu.weights[layer][ant].precoder_weight_Re = -SHRT_MAX; // Q15 representation of (~-1.0) -0.999969482421875 (-1+2^-15)
pmi_pdu.weights[layer][ant].precoder_weight_Im = 0;
pmi_pdu.weights[layer][ant] = (c16_t){-SHRT_MAX, 0};
}
// Call the C function
@@ -131,8 +130,7 @@ TEST(NrLayerPrecoderTest, SIMD)
// Create and populate the pmi_pdu structure
nfapi_nr_pm_pdu_t pmi_pdu = {0};
for (int layer = 0; layer < n_layers; ++layer) {
pmi_pdu.weights[layer][ant].precoder_weight_Re = -SHRT_MAX; // Q15 representation of (~-1.0) -0.999969482421875 (-1+2^-15)
pmi_pdu.weights[layer][ant].precoder_weight_Im = 0;
pmi_pdu.weights[layer][ant] = (c16_t){-SHRT_MAX, 0};
}
// Call the C function
@@ -182,10 +180,8 @@ TEST(NrLayerPrecoderTest, Compare_CM_SIMD)
// Could not use convert_precoder_weight() as complex.h could not be used in googletest
// Use the logic in convert_precoder_weight()
// precoder [−1,−j]
pmi_pdu.weights[layer][0].precoder_weight_Re = -SHRT_MAX; // Q15 representation of (~-1.0) -0.999969482421875 (-1+2^-15)
pmi_pdu.weights[layer][0].precoder_weight_Im = 0x0000; // Q15 representation of 0
pmi_pdu.weights[layer][1].precoder_weight_Re = 0x0000; // Q15 representation of 0
pmi_pdu.weights[layer][1].precoder_weight_Im = -SHRT_MAX; // Q15 representation of (~-1.0) -0.999969482421875 (-1+2^-15)
pmi_pdu.weights[layer][0] = (c16_t){-SHRT_MAX, 0};
pmi_pdu.weights[layer][1] = (c16_t){0, -SHRT_MAX};
}
// Get the results for all the antenna