code example
RapidMind Multi-Core Development Platform
#include <rapidmind/platform.hpp>
using namespace rapidmind;
int main(int argc, char *argv[]) {
int n = ...;
rapidmind::init();
float *x, *y;
Array<1, Value1f> xr(n+1);
Array<1, Value1f> yr(n+1);
x = xr.write_data();
y = yr.write_data();
... // fill x, y
Program add3 = RM_BEGIN {
In<Value1f> a;
In<Value1f> b;
In<Value1f> c;
Out<Value1f> d;
d = a + (b + c) * .5;
} RM_END;
Program add2 = RM_BEGIN {
In<Value1f> a;
In<Value1f> b;
Out<Value1f> c;
c = a + b;
} RM_END;
Program sqr = RM_BEGIN {
In<Value1f> a;
Out<Value1f> b;
b = a * a;
} RM_END;
Array<1, Value1f> x0 = add3(slice(xr,1,n-1),
offset(yr,2), take(yr,n-1));
xr = x0;
Array<1, Value1f> er = reduce(add2,
sqr(slice(yr,1,n-1));
float e = *er.read_data();
... // output x, e
return 0;
}
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