29 lines
609 B
C++
29 lines
609 B
C++
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#include <unistd.h>
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#include <cassert>
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#include <cctype>
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uint32_t error_term(uint32_t a, uint32_t b, uint32_t ap_mask,
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uint32_t number_of_trunc_bits) {
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uint32_t error_value = 0;
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uint32_t temp_shift_a = a;
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uint32_t temp_shift_b = b & ap_mask;
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uint32_t counter_trunc;
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uint32_t temp;
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// Go through the bits
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for (counter_trunc = 0; counter_trunc < number_of_trunc_bits;
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counter_trunc++) {
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temp = temp_shift_a & 1;
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if (temp == 1) {
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error_value += temp_shift_b & ap_mask;
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}
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temp_shift_a >>= 1;
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temp_shift_b <<= 1;
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}
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return error_value;
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}
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