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Revision 467, 490 bytes
(checked in by vbarta, 15 years ago)
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added a program (square_mat_prep) to generate configurably random matrices, changed square_mat_stress to use the generated agenda
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| 1 | #include "additive_generator.h" |
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| 2 | #include "base/user_info.h" |
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| 3 | |
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| 4 | using namespace itpp; |
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| 5 | using bdm::UI; |
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| 6 | |
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| 7 | void additive_generator::from_setting(const Setting &set) { |
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| 8 | int sz; |
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| 9 | UI::get(sz, set, "size"); |
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| 10 | |
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| 11 | mat a0 = randu(sz, sz); |
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| 12 | a = a0 * a0.T(); |
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| 13 | vec v = randu(sz); |
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| 14 | v2 = outer_product(v, v); |
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| 15 | |
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| 16 | if (set.exists("lambda")) { |
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| 17 | UI::get(lambda, set, "lambda"); |
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| 18 | } |
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| 19 | } |
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| 20 | |
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| 21 | mat additive_generator::next() { |
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| 22 | mat b = a; |
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| 23 | a = (1 - lambda) * a + lambda * v2; |
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| 24 | return b; |
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| 25 | } |
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