Fix fixed-point returns

This commit is contained in:
2024-10-16 19:48:00 +01:00
parent d5f913de2b
commit a7a6d0b9d4

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@@ -17,14 +17,14 @@ typedef struct
inline fp32_t
int_to_fp (int32_t n)
{
return { n * CONVERSION_CONST };
return (fp32_t){ n * CONVERSION_CONST };
}
/* Handles conversion of fixed point to integer. First version truncates, second one rounds */
inline int32_t
fp_floor (fp32_t x)
{
return { x.raw / CONVERSION_CONST };
return x.raw / CONVERSION_CONST;
}
inline int32_t
@@ -40,56 +40,56 @@ fp_round (fp32_t x)
inline fp32_t
fp_add (fp32_t x, fp32_t y)
{
return { x.raw + y.raw };
return (fp32_t){ x.raw + y.raw };
}
/* Subtract two fixed points */
inline fp32_t
fp_sub (fp32_t x, fp32_t y)
{
return { x.raw - y.raw };
return (fp32_t){ x.raw - y.raw };
}
/* Add fixed point to integer */
inline fp32_t
fp_add_int (fp32_t x, int32_t n)
{
return { x.raw + n * CONVERSION_CONST };
return (fp32_t){ x.raw + n * CONVERSION_CONST };
}
/* Subtract integer from fixed point */
inline fp32_t
fp_sub_int (fp32_t x, int32_t n)
{
return { x.raw - n * CONVERSION_CONST };
return (fp32_t){ x.raw - n * CONVERSION_CONST };
}
/* Multiple two fixed points */
inline fp32_t
fp_mul (fp32_t x, fp32_t y)
{
return { ((int64_t)x.raw) * y.raw / CONVERSION_CONST };
return (fp32_t){ ((int64_t)x.raw) * y.raw / CONVERSION_CONST };
}
/* Divide two fixed points */
inline fp32_t
fp_div (fp32_t x, fp32_t y)
{
return { ((int64_t)x.raw) * CONVERSION_CONST / y.raw };
return (fp32_t){ ((int64_t)x.raw) * CONVERSION_CONST / y.raw };
}
/* Multiply fixed point and integer */
inline fp32_t
fp_mul_int (fp32_t x, int32_t n)
{
return { x.raw * n };
return (fp32_t){ x.raw * n };
}
/* Divide fixed point by integer */
inline fp32_t
fp_div_int (fp32_t x, int32_t n)
{
return { x.raw / n };
return (fp32_t){ x.raw / n };
}
#endif //FIXED_POINT_H