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58 lines
2.0 KiB
C++
58 lines
2.0 KiB
C++
/*
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* Copyright (c) 2017 Andrew Kelley
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*
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* This file is part of zig, which is MIT licensed.
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* See http://opensource.org/licenses/MIT
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*/
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#ifndef ZIG_BIGFLOAT_HPP
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#define ZIG_BIGFLOAT_HPP
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#include "bigint.hpp"
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#include "error.hpp"
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#include <stdint.h>
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#include <stddef.h>
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#include "softfloat_types.h"
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struct BigFloat {
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float128_t value;
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};
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struct Buf;
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void bigfloat_init_16(BigFloat *dest, float16_t x);
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void bigfloat_init_32(BigFloat *dest, float x);
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void bigfloat_init_64(BigFloat *dest, double x);
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void bigfloat_init_128(BigFloat *dest, float128_t x);
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void bigfloat_init_bigfloat(BigFloat *dest, const BigFloat *x);
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void bigfloat_init_bigint(BigFloat *dest, const BigInt *op);
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Error bigfloat_init_buf(BigFloat *dest, const uint8_t *buf_ptr, size_t buf_len);
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float16_t bigfloat_to_f16(const BigFloat *bigfloat);
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float bigfloat_to_f32(const BigFloat *bigfloat);
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double bigfloat_to_f64(const BigFloat *bigfloat);
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float128_t bigfloat_to_f128(const BigFloat *bigfloat);
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void bigfloat_add(BigFloat *dest, const BigFloat *op1, const BigFloat *op2);
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void bigfloat_negate(BigFloat *dest, const BigFloat *op);
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void bigfloat_sub(BigFloat *dest, const BigFloat *op1, const BigFloat *op2);
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void bigfloat_mul(BigFloat *dest, const BigFloat *op1, const BigFloat *op2);
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void bigfloat_div(BigFloat *dest, const BigFloat *op1, const BigFloat *op2);
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void bigfloat_div_trunc(BigFloat *dest, const BigFloat *op1, const BigFloat *op2);
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void bigfloat_div_floor(BigFloat *dest, const BigFloat *op1, const BigFloat *op2);
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void bigfloat_rem(BigFloat *dest, const BigFloat *op1, const BigFloat *op2);
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void bigfloat_mod(BigFloat *dest, const BigFloat *op1, const BigFloat *op2);
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void bigfloat_sqrt(BigFloat *dest, const BigFloat *op);
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void bigfloat_append_buf(Buf *buf, const BigFloat *op);
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Cmp bigfloat_cmp(const BigFloat *op1, const BigFloat *op2);
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bool bigfloat_is_nan(const BigFloat *op);
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// convenience functions
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Cmp bigfloat_cmp_zero(const BigFloat *bigfloat);
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bool bigfloat_has_fraction(const BigFloat *bigfloat);
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#endif
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