diff options
Diffstat (limited to 'vendor/gmp-6.3.0/tests/devel/gen-test-longlong_h.c')
-rw-r--r-- | vendor/gmp-6.3.0/tests/devel/gen-test-longlong_h.c | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/vendor/gmp-6.3.0/tests/devel/gen-test-longlong_h.c b/vendor/gmp-6.3.0/tests/devel/gen-test-longlong_h.c new file mode 100644 index 0000000..939c3f2 --- /dev/null +++ b/vendor/gmp-6.3.0/tests/devel/gen-test-longlong_h.c @@ -0,0 +1,140 @@ +/* +Copyright 2020 Free Software Foundation, Inc. + +This file is part of the GNU MP Library test suite. + +The GNU MP Library test suite is free software; you can redistribute it +and/or modify it under the terms of the GNU General Public License as +published by the Free Software Foundation; either version 3 of the License, +or (at your option) any later version. + +The GNU MP Library test suite is distributed in the hope that it will be +useful, but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General +Public License for more details. + +You should have received a copy of the GNU General Public License along with +the GNU MP Library test suite. If not, see https://www.gnu.org/licenses/. */ + +#include <stdlib.h> +#include <string.h> +#include <stdio.h> + +typedef unsigned long mp_limb_t; /* neat */ + +void +one (const char *op, size_t ind, mp_limb_t m0, mp_limb_t s0) +{ + printf ("static void f%zu(mp_limb_t*r1p,mp_limb_t*r0p){", ind); + printf ("mp_limb_t r1,r0;"); + printf ("%s(r1,r0,0,%ld,0,%ld);", op, (long) m0, (long) s0); + printf ("*r1p=r1;*r0p=r0;"); + printf ("}\n"); +} + +mp_limb_t ops[1000]; + +enum what_t {ADD, SUB}; + +int +main (int argc, char **argv) +{ + size_t n_operands = 0; + size_t n_functions = 0; + const char *op; + enum what_t what; + + if (argc == 2 && strcmp (argv[1], "add") == 0) + { + op = "add_ssaaaa"; + what = ADD; + } + else if (argc == 2 && strcmp (argv[1], "sub") == 0) + { + op = "sub_ddmmss"; + what = SUB; + } + else + { + fprintf (stderr, "what do yuo want me to do?\n"); + exit (1); + } + + for (int i = 0; i < 16; i++) + { + ops[n_operands++] = 1 << i; + ops[n_operands++] = -(1 << i); + ops[n_operands++] = (1 << i) - 1; + ops[n_operands++] = -(1 << i) - 1; + } + + printf ("#include <stdlib.h>\n"); + printf ("#include <stdio.h>\n"); + printf ("#include \"gmp-impl.h\"\n"); + printf ("#include \"longlong.h\"\n"); + + /* Print out ops[] definition. */ + printf ("static const int ops[%zu] = {\n", n_operands); + for (int i = 0; i < n_operands; i++) + { + printf ("%ld,", (long) ops[i]); + if ((i + 1) % 4 == 0) + puts (""); + } + printf ("};\n"); + + /* Generate functions and print them. */ + for (int i = 0; i < n_operands; i++) + { + for (int j = 0; j < n_operands; j++) + { + one (op, n_functions++, ops[i], ops[j]); + } + } + + /* Print out function pointer table. */ + printf ("typedef void (*func_t) (mp_limb_t*, mp_limb_t*);\n"); + printf ("static const func_t funcs[%zu] = {\n", n_functions); + for (size_t i = 0; i < n_functions; i++) + { + printf ("f%zu,", i); + if ((i + 1) % 16 == 0) + puts (""); + } + printf ("};\n"); + + /* Print out table of reference results. */ + printf ("static const int ref[%zu][2] = {\n", n_functions); + for (int i = 0; i < n_operands; i++) + { + for (int j = 0; j < n_operands; j++) + { + if (what == ADD) + printf ("{%6ld,%2ld},", (long) ( ops[i] + ops[j]), (long) ((mp_limb_t) ((ops[i] + ops[j]) < ops[i]))); + else /* SUB */ + printf ("{%6ld,%2ld},", (long) ( ops[i] - ops[j]), (long) (-(mp_limb_t) (ops[i] < ops[j]))); + if ((i * n_operands + j) % 8 == 0) + puts (""); + } + } + printf ("};\n"); + + printf ("int main ()\n{\n"); + printf (" mp_limb_t r1, r0;\n"); + printf (" int err = 0;\n"); + printf (" size_t ind = 0;\n"); + printf (" for (size_t i = 0; i < %zu; i++)\n", n_functions); + printf (" {\n"); + printf (" int ii = i / %zu, jj = i %% %zu;\n", n_operands, n_operands); + printf (" funcs[i](&r1, &r0);\n"); + printf (" if (r0 != (mp_limb_signed_t) ref[ind][0] || r1 != (mp_limb_signed_t) ref[ind][1]) {\n"); + printf (" printf (\"error for f%%zu(%%d,%%d): want (%%d,%%d) got (%%d,%%d)\\n\", i, (int) ops[ii], (int) ops[jj], ref[ind][1], ref[ind][0], (int) r1, (int) r0);\n"); + printf (" err++;\n"); + printf (" }\n"); + printf (" ind++;\n"); + printf (" }\n"); + + printf (" return err != 0;\n"); + printf ("}\n"); + return 0; +} |