DCA fir prototype added

4 files changed, 2082 insertions, 1 deletions

diff --git a/tools/dataconv/dca.c b/tools/dataconv/dca.c
new file mode 100644
index 0000000..edf446c
--- /dev/null
+++ b/tools/dataconv/dca.c
@@ -0,0 +1,1057 @@
+#include <stdio.h>
+
+#define FIR_LEN 512
+
+const float ff_dca_fir_32bands_perfect[FIR_LEN] = {
+    +1.135985195E-010,
+    +7.018770981E-011,
+    -1.608403011E-008,
+    -5.083275667E-008,
+    -1.543309907E-007,
+    -3.961981463E-007,
+    -7.342250683E-007,
+    -3.970030775E-007,
+    -4.741137047E-007,
+    -6.022448247E-007,
+    -6.628192182E-007,
+    -6.982898526E-007,
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+    +1.085227950E-006,
+    +1.162929266E-006,
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+    +1.608403011E-008,
+    -7.018770981E-011,
+    -1.135985195E-010
+};
+
+const float ff_dca_fir_32bands_nonperfect[FIR_LEN] = {
+    -1.390191784E-007,
+    -1.693738625E-007,
+    -2.030677564E-007,
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+    -1.661159786E-006,
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+    -2.078171747E-006,
+    -2.320550948E-006,
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+    -2.883470643E-006,
+    -3.208459020E-006,
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+    +1.176999604E-006,
+    +1.046637067E-006,
+    +9.293416952E-007,
+    +8.238164355E-007,
+    +7.288739425E-007,
+    +6.434325428E-007,
+    +5.665120852E-007,
+    +4.972276315E-007,
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+    +3.784752209E-007,
+    +3.276689142E-007,
+    +2.818143514E-007,
+    +2.404238444E-007,
+    +2.030677564E-007,
+    +1.693738625E-007,
+    +1.390191784E-007
+};
+
+int main(int argc, const char **argv) {
+    size_t i = 0;
+    float sign = -1.0;
+
+    if (argc != 2) {
+        return 1;
+    }
+
+    const float* p = (*argv[1] == 'p') ? ff_dca_fir_32bands_perfect : ff_dca_fir_32bands_nonperfect;
+
+    for (i = 0; i < FIR_LEN; i++) {
+        sign = i & (1 << 6) ? -1.0 : 1.0;
+
+        printf("%.14f", p[i] * (float)sign);
+        if (i != FIR_LEN - 1) {
+            printf(",\n");
+        } else {
+            printf("\n");
+        }
+    }
+
+    return 0;
+}
diff --git a/tools/plot/data/dca_nonperfect.txt b/tools/plot/data/dca_nonperfect.txt
new file mode 100644
index 0000000..9826469
--- /dev/null
+++ b/tools/plot/data/dca_nonperfect.txt
@@ -0,0 +1,512 @@
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diff --git a/tools/plot/data/dca_perfect.txt b/tools/plot/data/dca_perfect.txt
new file mode 100644
index 0000000..5748290
--- /dev/null
+++ b/tools/plot/data/dca_perfect.txt
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diff --git a/tools/plot/run.sh b/tools/plot/run.sh
index 06e7788..1de6346 100755
--- a/tools/plot/run.sh
+++ b/tools/plot/run.sh
@@ -8,5 +8,5 @@ python3.7 setup.py build
 
 cd ..
 
-export PYTHONPATH=./pqf/build/lib.mingw-3.7/
+export PYTHONPATH=./pqf/build/lib.freebsd-12.2-RELEASE-p4-amd64-3.7/
 ./main.py "$@"