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Last change
on this file was 80e83b6c, checked in by Peter A. Buhr <pabuhr@…>, 5 days ago |
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last proofread array chapter
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100644
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File size:
596 bytes
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| 1 | #include <fstream.hfa>
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| 2 | #include <array.hfa>
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| 3 |
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| 4 | //extern "C" { // don't mangle the function name `sum`
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| 5 |
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| 6 | #ifdef UNSOUND_BOUND
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| 7 | #define BND( correct_limit ) 100
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| 8 | #else
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| 9 | #define BND( correct_limit ) correct_limit
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| 10 | #endif
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| 11 |
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| 12 |
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| 13 |
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| 14 |
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| 15 |
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| 16 |
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| 17 |
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| 18 |
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| 19 |
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| 20 | forall( [N] )
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| 21 | double sum(
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| 22 | array(float, N) & x ) {
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| 23 | double sum = 0;
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| 24 | for ( i;
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| 25 | BND( N ) )
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| 26 | sum += @x[i]@;
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| 27 | return sum;
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| 28 | }
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| 29 |
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| 30 |
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| 31 |
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| 32 |
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| 33 | //} // extern "C"
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| 34 |
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| 35 | #ifdef RUNIT
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| 36 |
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| 37 | #define EXPSZ 7
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| 38 |
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| 39 |
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| 40 |
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| 41 |
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| 42 |
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| 43 | int main() {
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| 44 | array( float, EXPSZ ) x;
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| 45 | for ( i; EXPSZ ) x[i] = 0.1 * (i + 1);
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| 46 | for ( i; EXPSZ ) sout | "elm" | i | x[i];
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| 47 | double sum = sum( x );
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| 48 | sout | "sum " | wd( 2, sum );
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| 49 | }
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| 50 |
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| 51 |
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| 52 |
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| 53 | #endif
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