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/*
Copyright 2015 Ian Jauslin
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
/* Rational numbers */
#ifndef RATIONAL_AS_FLOAT
#ifndef RATIONAL_H
#define RATIONAL_H
#include "types.h"
// Q from int/int
Q quot(long int p, long int q);
// add
Q Q_add(Q x1,Q x2);
//multiply
Q Q_prod(Q x1,Q x2);
// inverse
Q Q_inverse(Q x1);
// quotient
Q Q_quot(Q x1, Q x2);
// compare
int Q_cmp(Q x1, Q x2);
// simplify
Q Q_simplify(Q x);
//simplify in place
int Q_simplify_inplace(Q* x);
// greatest common divisor
long int gcd(long int x,long int y);
// least common multiple
long int lcm(long int x,long int y);
// approximate value as double
double Q_double_value(Q q);
// print to string
int Q_sprint(Q num, Char_Array* out);
// read from a string
int str_to_Q(char* str, Q* num);
#endif
#endif
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