source: src/tests/tupleAssign.c @ 1ab7d3fe

//
// Cforall Version 1.0.0 Copyright (C) 2015 University of Waterloo
//
// The contents of this file are covered under the licence agreement in the
// file "LICENCE" distributed with Cforall.
//
// tupleAssign.c --
//
// Author           : Rob Schluntz
// Created On       : Tue Nov 15 17:24:32 2016
// Last Modified By : Rob Schluntz
// Last Modified On : Tue Nov 15 17:27:28 2016
// Update Count     : 3
//

int main() {
        {
                // test multiple assignment and cascading assignment
                int u = 5, v = 6, x = 10, y = 11;
                [int, int] z = [100, 200];

                // swap x, y and store the new [x, y] in [u, v] and in z;
                printf("u=%d v=%d x=%d y=%d z=[%d, %d]\n", u, v, x, y, z);
                z = [u, v] = [x, y] = [y, x];
                printf("u=%d v=%d x=%d y=%d z=[%d, %d]\n", u, v, x, y, z);

                // shuffle elements -- v = z.0, z.0 = z.1, z.1 = u, u = v
                [v, z, u] = [z, u, v];
                printf("u=%d v=%d z=[%d, %d]\n", u, v, z);

                // multiple assignment with tuple expression on right
                z = [111, 222];
                [u, v] = [123, 456];
                printf("u=%d v=%d z=[%d, %d]\n", u, v, z);
        }

        {
                // test mass assignment
                double d = 0.0;
                int i = 0;
                char c = '\0';
                struct X {
                        int z;
                } x;
                X ?=?(X * x, double d) {}
                [int, double, int] t;

                // no conversion from X to integral types, so this serves as a santiy
                // check that as long as this compiles, ?=?(_, x) is not generated.
                [t, x, d, i, c, x] = (double)-2153.12;
                printf("d=%lg i=%d c=%d t=[%d, %lg, %d]\n", d, i, (int)c, t);
                [x, c, i, d, x, t] = (double)-2153.12;
                printf("d=%lg i=%d c=%d t=[%d, %lg, %d]\n", d, i, (int)c, t);
        }
}

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