fix tabledesign

Author: n64

tools/Makefile

@@ -24,7 +24,7 @@ aifc_decode_CFLAGS := -O2 # both runs and compiles faster than -O3
 
 aiff_extract_codebook_SOURCES := aiff_extract_codebook.c
 
-tabledesign_SOURCES := sdk-tools/tabledesign/codebook.c sdk-tools/tabledesign/estimate.c sdk-tools/tabledesign/print.c sdk-tools/tabledesign/tabledesign.c
+tabledesign_SOURCES := sdk-tools/tabledesign_src/codebook.c sdk-tools/tabledesign_src/estimate.c sdk-tools/tabledesign_src/print.c sdk-tools/tabledesign_src/tabledesign.c
 tabledesign_CFLAGS := -Wno-uninitialized -laudiofile
 
 vadpcm_enc_SOURCES := sdk-tools/adpcm/vadpcm_enc.c sdk-tools/adpcm/vpredictor.c sdk-tools/adpcm/quant.c sdk-tools/adpcm/util.c sdk-tools/adpcm/vencode.c

tools/sdk-tools/tabledesign_src/.gitignore

@@ -0,0 +1,9 @@
+*.o
+*.s
+*.dump
+*.aiff
+*.aifc
+*.table
+/tabledesign_irix
+/tabledesign_native
+/tabledesign_orig

tools/sdk-tools/tabledesign_src/Makefile

@@ -0,0 +1,31 @@
+# Makefile for building tabledesign for either IRIX or natively.
+# For an IRIX build, the env variable IRIX_ROOT should point to the root of an
+# IRIX filesystem, and QEMU_IRIX should point to the qemu-irix binary.
+
+IRIX_CC := $(QEMU_IRIX) -silent -L $(IRIX_ROOT) $(IRIX_ROOT)/usr/bin/cc
+IRIX_CFLAGS := -fullwarn -Wab,-r4300_mul -Xcpluscomm -mips1 -O2
+
+NATIVE_CC := gcc
+NATIVE_CFLAGS := -Wall -Wno-uninitialized -O2
+
+LDFLAGS := -lm -laudiofile
+
+default: native
+all: irix native
+
+irix: tabledesign_irix
+native: tabledesign_native
+
+clean:
+	$(RM) *.o tabledesign_irix tabledesign_native
+
+%.o: %.c
+	$(IRIX_CC) -c $(IRIX_CFLAGS) $< -o $@
+
+tabledesign_irix: tabledesign.o codebook.o estimate.o print.o
+	$(IRIX_CC) $^ -o $@ $(LDFLAGS)
+
+tabledesign_native: tabledesign.c codebook.c estimate.c print.c
+	$(NATIVE_CC) $(NATIVE_CFLAGS) $^ -o $@ $(LDFLAGS)
+
+.PHONY: default all irix native clean

tools/sdk-tools/tabledesign_src/codebook.c

@@ -0,0 +1,104 @@
+#include <stdlib.h>
+#include "tabledesign.h"
+
+void split(double **table, double *delta, int order, int npredictors, double scale)
+{
+    int i, j;
+
+    for (i = 0; i < npredictors; i++)
+    {
+        for (j = 0; j <= order; j++)
+        {
+            table[i + npredictors][j] = table[i][j] + delta[j] * scale;
+        }
+    }
+}
+
+void refine(double **table, int order, int npredictors, double **data, int dataSize, int refineIters, UNUSED double unused)
+{
+    int iter; // spD8
+    double **rsums;
+    int *counts; // spD0
+    double *temp_s7;
+    double dist;
+    double dummy; // spC0
+    double bestValue;
+    int bestIndex;
+    int i, j;
+
+    rsums = malloc(npredictors * sizeof(double*));
+    for (i = 0; i < npredictors; i++)
+    {
+        rsums[i] = malloc((order + 1) * sizeof(double));
+    }
+
+    counts = malloc(npredictors * sizeof(int));
+    temp_s7 = malloc((order + 1) * sizeof(double));
+
+    for (iter = 0; iter < refineIters; iter++)
+    {
+        for (i = 0; i < npredictors; i++)
+        {
+            counts[i] = 0;
+            for (j = 0; j <= order; j++)
+            {
+                rsums[i][j] = 0.0;
+            }
+        }
+
+        for (i = 0; i < dataSize; i++)
+        {
+            bestValue = 1e30;
+            bestIndex = 0;
+
+            for (j = 0; j < npredictors; j++)
+            {
+                dist = model_dist(table[j], data[i], order);
+                if (dist < bestValue)
+                {
+                    bestValue = dist;
+                    bestIndex = j;
+                }
+            }
+
+            counts[bestIndex]++;
+            rfroma(data[i], order, temp_s7);
+            for (j = 0; j <= order; j++)
+            {
+                rsums[bestIndex][j] += temp_s7[j];
+            }
+        }
+
+        for (i = 0; i < npredictors; i++)
+        {
+            if (counts[i] > 0)
+            {
+                for (j = 0; j <= order; j++)
+                {
+                    rsums[i][j] /= counts[i];
+                }
+            }
+        }
+
+        for (i = 0; i < npredictors; i++)
+        {
+            durbin(rsums[i], order, temp_s7, table[i], &dummy);
+
+            for (j = 1; j <= order; j++)
+            {
+                if (temp_s7[j] >=  1.0) temp_s7[j] =  0.9999999999;
+                if (temp_s7[j] <= -1.0) temp_s7[j] = -0.9999999999;
+            }
+
+            afromk(temp_s7, table[i], order);
+        }
+    }
+
+    free(counts);
+    for (i = 0; i < npredictors; i++)
+    {
+        free(rsums[i]);
+    }
+    free(rsums);
+    free(temp_s7);
+}