round of 0.5 and Euclidean division comparisons between some programming languages

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Comparison between some programming languages
about the behavior of **round** of 0.5
and about **Euclidean division**: quotient * divisor + remainder
(for example if 7/-3 = -2 and remainder = 1: 7 = -2 * -3 + 1)
	Language	round(0.5)	quotient	remainder		7/3	remainder		-7/3	remainder		7/-3	remainder		-7/-3	remainder
1	Ada	1.00000E+00	/	rem	mod	2	1	1	-2	-1	2	-2	1	-2	2	-1	-1
2	bc		/	%		2	1		-2	-1		-2	1		2	-1
3	C	1.000000	/	%		2	1		-2	-1		-2	1		2	-1
4	C++	1	/	%		2	1		-2	-1		-2	1		2	-1
5	GMP C		mpz_div	mpz_mod		2	1		-3	2		-3			2
6	Java	1	/	%		2	1		-2	-1		-2	1		2	-1
7	JavaScript Node.js	1	Math.trunc(n/d)	%		2	1		-2	-1		-2	1		2	-1
8	PHP	1	intdiv	%		2	1		-2	-1		-2	1		2	-1
9	Python 2	1.0	/	%		2	1		-3	2		-3	-2		2	-1
10	Python 3	0	//	%		2	1		-3	2		-3	-2		2	-1
11	Scala	1	/	%		2	1		-2	-1		-2	1		2	-1
12	Scheme Guile	0.0	quotient	remainder	modulo	2	1	1	-2	-1	2	-2	1	-2	2	-1	-1

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