1 files changed, 35 insertions, 0 deletions
diff --git a/fixsingen/main.c b/fixsingen/main.c
new file mode 100644
index 0000000..ce71647
--- /dev/null
+++ b/fixsingen/main.c
@@ -0,0 +1,35 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <inttypes.h>
+#include <math.h>
+#include <libfixmath/fixmath.h>
+
+int main(int argc, char** argv) {
+	FILE* fp = fopen("fix16_trig_sin_lut.h", "wb");
+	if(fp == NULL) {
+		fprintf(stderr, "Error: Unable to open file for writing.\n");
+		return EXIT_FAILURE;
+	}
+
+	fprintf(fp, "#ifndef __fix16_trig_sin_lut_h__\n");
+	fprintf(fp, "#define __fix16_trig_sin_lut_h__\n");
+	fprintf(fp, "\n");
+
+	fprintf(fp, "static fix16_t _fix16_sin_lut[%"PRIi32"] = {", (fix16_pi >> 1));
+
+	uintptr_t i;
+	for(i = 0; i < (fix16_pi >> 1); i++) {
+		if((i & 7) == 0)
+			fprintf(fp, "\n\t");
+		fix16_t fix16_sin_lut = fix16_from_dbl(sin(fix16_to_dbl(i)));
+		fprintf(fp, "%"PRIi32", ", fix16_sin_lut);
+	}
+	fprintf(fp, "\n\t};\n");
+
+	fprintf(fp, "\n");
+	fprintf(fp, "#endif\n");
+
+	fclose(fp);
+
+    return EXIT_SUCCESS;
+}