fptest_sub.cu

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// bls12_381: Arithmetic for BLS12-381
// Copyright 2022-2023 Dag Arne Osvik
// Copyright 2022-2023 Luan Cardoso dos Santos
 
#include "fp.cuh"
#include "fptest.cuh"
 
__global__ void FpTestSub(testval_t *testval) {
 
    printf("=== RUN   %s\n", __func__);
 
    bool    pass    = true;
    size_t  count   = 0;
 
    fp_t x, l, r;
 
    // 2x == 3x - x
 
    for (int i=0; pass && i<TESTVALS; i++) {
        fp_cpy(x, testval[i]);
 
        fp_x2(l, x);
 
        fp_x3(r, x);
        fp_sub(r, r, x);
 
        if (fp_neq(l, r)) {
            pass = false;
 
            printf("%d: FAILED\n", i);
            fp_print("x    : ",  x);
            fp_print("2x   : ",  l);
            fp_print("3x-x : ",  r);
        }
        ++count;
    }
 
    printf("%ld tests\n", count);
 
    PRINTPASS(pass);
}
 
// vim: ts=4 et sw=4 si