Add seed getter/setter to public C API with reproducibility tests#7
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Expose interflop_prism_get_seed/set_seed in prism_api.h and prism_api.cpp. Fix xoshiro.h seed helpers to use inline external linkage so state is shared across translation units. Add scalar and vector reproducibility tests verifying that the same (seed, thread_number) pair always produces the same RNG sequence. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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Expose interflop_prism_get_seed/set_seed in prism_api.h and prism_api.cpp. Fix xoshiro.h seed helpers to use inline external linkage so state is shared across translation units. Add scalar and vector reproducibility tests verifying that the same (seed, thread_number) pair always produces the same RNG sequence.