sm64/tools/sdk-tools/tabledesign/print.c

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2019-08-25 00:58:46 -04:00
#include <stdio.h>
#include <stdlib.h>
#include "tabledesign.h"
int print_entry(FILE *out, double *row, int order)
{
double **table;
double fval;
int ival;
int i, j, k;
int overflows;
table = malloc(8 * sizeof(double*));
for (i = 0; i < 8; i++)
{
table[i] = malloc(order * sizeof(double));
}
for (i = 0; i < order; i++)
{
for (j = 0; j < i; j++)
{
table[i][j] = 0.0;
}
for (j = i; j < order; j++)
{
table[i][j] = -row[order - j + i];
}
}
for (i = order; i < 8; i++)
{
for (j = 0; j < order; j++)
{
table[i][j] = 0.0;
}
}
for (i = 1; i < 8; i++)
{
for (j = 1; j <= order; j++)
{
if (i - j >= 0)
{
for (k = 0; k < order; k++)
{
table[i][k] -= row[j] * table[i - j][k];
}
}
}
}
overflows = 0;
for (i = 0; i < order; i++)
{
for (j = 0; j < 8; j++)
{
fval = table[j][i] * 2048.0;
if (fval < 0.0)
{
ival = (int) (fval - 0.5);
if (ival < -0x8000)
{
overflows++;
}
}
else
{
ival = (int) (fval + 0.5);
if (ival >= 0x8000)
{
overflows++;
}
}
fprintf(out, "%5d ", ival);
}
fprintf(out, "\n");
}
for (i = 0; i < 8; i++)
{
free(table[i]);
}
free(table);
return overflows;
}