primitive_fixed_point_decimal 0.1.1

Primitive fixed-point decimal types.
Documentation 
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use crate::define_macro::*;

// define and implement FixDec16.
define_fixdec!(FixDec16, i16, 4, 16, 15);

// convert FixDec16 into other FixDec types.
convert_into!(FixDec16, fixdec32, FixDec32);
convert_into!(FixDec16, fixdec64, FixDec64);
convert_into!(FixDec16, fixdec128, FixDec128);

// internal stuff needed by define_macro
const ALL_EXPS: [i16; 1 + 4] = [1,
    10_i16.pow(1), 10_i16.pow(2), 10_i16.pow(3), 10_i16.pow(4),
];

const fn calc_mul_div(a: i16, b: i16, c: i16, rounding: Rounding) -> Option<i16> {
    convert_opt_i32_to_i16(rounding_div_i32(a as i32 * b as i32, c as i32, rounding))
}

const fn calc_div_div(a: i16, b: i16, c: i16, rounding: Rounding) -> Option<i16> {
    convert_opt_i32_to_i16(rounding_div_i32(a as i32, b as i32 * c as i32, rounding))
}