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I don't think I will do 16.16 math anymore

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NukeBird 2025-12-01 19:41:35 +03:00
parent d86948b6a9
commit 332c0e3381
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4102
axl_cos_table.inc
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4102
axl_sin_table.inc
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26
gen_math_tables.py
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#!/usr/bin/env python3
import math
N = 4096
FIXED_ONE = 65536
def generate_table(func_name, math_func):
"""Generate a table for the given math function"""
with open(f"axl_{func_name}_table.inc", "w") as file:
file.write(f"//{func_name}[{N}] - fixed point 16.16\n")
file.write("//Generated by gen_math_tables.py\n\n")
file.write(f"static inline f16_16 axl_{func_name}_table[{N}] = \n{{\n")
for i in range(N):
angle = i * 2.0 * math.pi / (N - 1)
value = math_func(angle)
fixed_value = round(value * FIXED_ONE)
file.write(f"\t{fixed_value}{',' if i < N - 1 else ''}\n")
file.write("};")
def main():
generate_table("sin", math.sin)
generate_table("cos", math.cos)
print("Generated sin and cos tables")
if __name__ == "__main__":
main()