27 lines
849 B
Python
27 lines
849 B
Python
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#!/usr/bin/env python3
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import math
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N = 4096
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FIXED_ONE = 65536
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def generate_table(func_name, math_func):
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"""Generate a table for the given math function"""
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with open(f"axl_{func_name}_table.inc", "w") as file:
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file.write(f"//{func_name}[{N}] - fixed point 16.16\n")
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file.write("//Generated by gen_math_tables.py\n\n")
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file.write(f"static inline f16_16 axl_{func_name}_table[{N}] = \n{{\n")
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for i in range(N):
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angle = i * 2.0 * math.pi / (N - 1)
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value = math_func(angle)
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fixed_value = round(value * FIXED_ONE)
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file.write(f"\t{fixed_value}{',' if i < N - 1 else ''}\n")
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file.write("};")
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def main():
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generate_table("sin", math.sin)
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generate_table("cos", math.cos)
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print("Generated sin and cos tables")
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if __name__ == "__main__":
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main()
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