ref: c220d0acc67b3f5e0e8af2bbe41fa8e367e6aa60
parent: 42940399b81a57cd6b5618a746042095de75e95d
author: Ori Bernstein <ori@eigenstate.org>
date: Wed Jul 24 20:10:51 EDT 2024
libmp: remove stale test file we moved it to test/, so no need for the old one.
--- a/sys/src/libmp/test.c
+++ /dev/null
@@ -1,446 +1,0 @@
-#include <u.h>
-#include <libc.h>
-#include <mp.h>
-#include "dat.h"
-
-int loops = 1;
-
-void
-prng(uchar *p, int n)
-{
- while(n-- > 0)
- *p++ = rand();
-}
-
-void
-testconv(char *str)
-{
- int i, base[] = {2,8,10,16,32,64};
- mpint *b;
- char *p;
-
- print("testconv \"%s\":\n", str);
- b = strtomp(str, nil, 16, nil);
-
- for(i=0; i<nelem(base); i++){
- p = mptoa(b, base[i], nil, 0);
- print("base%d: %s = ", base[i], p);
- if(strtomp(p, nil, base[i], b) == nil)
- abort();
- free(p);
- print("%B\n", b, base[i], b);
-
- switch(base[i]){
- case 2:
- case 8:
- case 10:
- case 16:
- p = smprint("%#.*B", base[i], b);
- print("# %s = ", p);
- if(strtomp(p, nil, 0, b) == nil)
- abort();
- free(p);
- print("%#.*B\n", base[i], b);
- break;
- }
-
- }
-
- mpfree(b);
-}
-
-void
-testshift(char *str)
-{
- mpint *b1, *b2;
- int i;
-
- b1 = strtomp(str, nil, 16, nil);
- b2 = mpnew(0);
- for(i = 0; i < 64; i++){
- mpleft(b1, i, b2);
- print("%2.2d %B\n", i, b2);
- }
- for(i = 0; i < 64; i++){
- mpright(b2, i, b1);
- print("%2.2d %B\n", i, b1);
- }
- mpfree(b1);
- mpfree(b2);
-}
-
-void
-testaddsub(char *str)
-{
- mpint *b1, *b2;
- int i;
-
- b1 = strtomp(str, nil, 16, nil);
- b2 = mpnew(0);
- for(i = 0; i < 16; i++){
- mpadd(b1, b2, b2);
- print("%2.2d %B\n", i, b2);
- }
- for(i = 0; i < 16; i++){
- mpsub(b2, b1, b2);
- print("%2.2d %B\n", i, b2);
- }
- mpfree(b1);
- mpfree(b2);
-}
-
-void
-testvecdigmuladd(char *str, mpdigit d)
-{
- mpint *b, *b2;
- int i;
- vlong now;
-
- b = strtomp(str, nil, 16, nil);
- b2 = mpnew(0);
-
- mpbits(b2, (b->top+1)*Dbits);
- now = nsec();
- for(i = 0; i < loops; i++){
- memset(b2->p, 0, b2->top*Dbytes);
- mpvecdigmuladd(b->p, b->top, d, b2->p);
- }
- if(loops > 1)
- print("%lld ns for a %d*%d vecdigmul\n", (nsec()-now)/loops, b->top*Dbits, Dbits);
- mpnorm(b2);
- print("0 + %B * %ux = %B\n", b, d, b2);
-
- mpfree(b);
- mpfree(b2);
-}
-
-void
-testvecdigmulsub(char *str, mpdigit d)
-{
- mpint *b, *b2;
- int i;
- vlong now;
-
- b = strtomp(str, nil, 16, nil);
- b2 = mpnew(0);
-
- mpbits(b2, (b->top+1)*Dbits);
- now = nsec();
- for(i = 0; i < loops; i++){
- memset(b2->p, 0, b2->top*Dbytes);
- mpvecdigmulsub(b->p, b->top, d, b2->p);
- }
- if(loops > 1)
- print("%lld ns for a %d*%d vecdigmul\n", (nsec()-now)/loops, b->top*Dbits, Dbits);
- mpnorm(b2);
- print("0 - %B * %ux = %B\n", b, d, b2);
-
- mpfree(b);
- mpfree(b2);
-}
-
-void
-testmul(char *str)
-{
- mpint *b, *b1, *b2;
- vlong now;
- int i;
-
- b = strtomp(str, nil, 16, nil);
- b1 = mpcopy(b);
- b2 = mpnew(0);
-
- now = nsec();
- for(i = 0; i < loops; i++)
- mpmul(b, b1, b2);
- if(loops > 1)
- print("%lld µs for a %d*%d mult\n", (nsec()-now)/(loops*1000),
- b->top*Dbits, b1->top*Dbits);
- print("%B * %B = %B\n", b, b1, b2);
-
- mpfree(b);
- mpfree(b1);
- mpfree(b2);
-}
-
-void
-testmul2(mpint *b, mpint *b1)
-{
- mpint *b2;
- vlong now;
- int i;
-
- b2 = mpnew(0);
-
- now = nsec();
- for(i = 0; i < loops; i++)
- mpmul(b, b1, b2);
- if(loops > 1)
- print("%lld µs for a %d*%d mult\n", (nsec()-now)/(loops*1000), b->top*Dbits, b1->top*Dbits);
- print("%B * ", b);
- print("%B = ", b1);
- print("%B\n", b2);
-
- mpfree(b2);
-}
-
-void
-testdigdiv(char *str, mpdigit d)
-{
- mpint *b;
- mpdigit q;
- int i;
- vlong now;
-
- b = strtomp(str, nil, 16, nil);
- now = nsec();
- for(i = 0; i < loops; i++)
- mpdigdiv(b->p, d, &q);
- if(loops > 1)
- print("%lld ns for a %d / %d div\n", (nsec()-now)/loops, 2*Dbits, Dbits);
- print("%B / %ux = %ux\n", b, d, q);
- mpfree(b);
-}
-
-void
-testdiv(mpint *x, mpint *y)
-{
- mpint *b2, *b3;
- vlong now;
- int i;
-
- b2 = mpnew(0);
- b3 = mpnew(0);
- now = nsec();
- for(i = 0; i < loops; i++)
- mpdiv(x, y, b2, b3);
- if(loops > 1)
- print("%lld µs for a %d/%d div\n", (nsec()-now)/(1000*loops),
- x->top*Dbits, y->top*Dbits);
- print("%B / %B = %B %B\n", x, y, b2, b3);
- mpfree(b2);
- mpfree(b3);
-}
-
-void
-testmod(mpint *x, mpint *y)
-{
- mpint *r;
- vlong now;
- int i;
-
- r = mpnew(0);
- now = nsec();
- for(i = 0; i < loops; i++)
- mpmod(x, y, r);
- if(loops > 1)
- print("%lld µs for a %d/%d mod\n", (nsec()-now)/(1000*loops),
- x->top*Dbits, y->top*Dbits);
- print("%B mod %B = %B\n", x, y, r);
- mpfree(r);
-}
-
-void
-testinvert(mpint *x, mpint *y)
-{
- mpint *r, *d1, *d2;
- vlong now;
- int i;
-
- r = mpnew(0);
- d1 = mpnew(0);
- d2 = mpnew(0);
- now = nsec();
- mpextendedgcd(x, y, r, d1, d2);
- mpdiv(x, r, x, d1);
- mpdiv(y, r, y, d1);
- for(i = 0; i < loops; i++)
- mpinvert(x, y, r);
- if(loops > 1)
- print("%lld µs for a %d in %d invert\n", (nsec()-now)/(1000*loops),
- x->top*Dbits, y->top*Dbits);
- print("%B**-1 mod %B = %B\n", x, y, r);
- mpmul(r, x, d1);
- mpmod(d1, y, d2);
- print("%B*%B mod %B = %B\n", x, r, y, d2);
- mpfree(r);
- mpfree(d1);
- mpfree(d2);
-}
-
-void
-testsub1(char *a, char *b)
-{
- mpint *b1, *b2, *b3;
-
- b1 = strtomp(a, nil, 16, nil);
- b2 = strtomp(b, nil, 16, nil);
- b3 = mpnew(0);
- mpsub(b1, b2, b3);
- print("%B - %B = %B\n", b1, b2, b3);
-}
-
-void
-testmul1(char *a, char *b)
-{
- mpint *b1, *b2, *b3;
-
- b1 = strtomp(a, nil, 16, nil);
- b2 = strtomp(b, nil, 16, nil);
- b3 = mpnew(0);
- mpmul(b1, b2, b3);
- print("%B * %B = %B\n", b1, b2, b3);
-}
-
-void
-testexp(char *base, char *exp, char *mod)
-{
- mpint *b, *e, *m, *res;
- int i;
- uvlong now;
-
- b = strtomp(base, nil, 16, nil);
- e = strtomp(exp, nil, 16, nil);
- res = mpnew(0);
- if(mod != nil)
- m = strtomp(mod, nil, 16, nil);
- else
- m = nil;
- now = nsec();
- for(i = 0; i < loops; i++)
- mpexp(b, e, m, res);
- if(loops > 1)
- print("%ulldµs for a %d to the %d bit exp\n", (nsec()-now)/(loops*1000),
- b->top*Dbits, e->top*Dbits);
- if(m != nil)
- print("%B ^ %B mod %B == %B\n", b, e, m, res);
- else
- print("%B ^ %B == %B\n", b, e, res);
- mpfree(b);
- mpfree(e);
- mpfree(res);
- if(m != nil)
- mpfree(m);
-}
-
-void
-testgcd(void)
-{
- mpint *a, *b, *d, *x, *y, *t1, *t2;
- int i;
- uvlong now, then;
- uvlong etime;
-
- d = mpnew(0);
- x = mpnew(0);
- y = mpnew(0);
- t1 = mpnew(0);
- t2 = mpnew(0);
-
- etime = 0;
-
- a = strtomp("4EECAB3E04C4E6BC1F49D438731450396BF272B4D7B08F91C38E88ADCD281699889AFF872E2204C80CCAA8E460797103DE539D5DF8335A9B20C0B44886384F134C517287202FCA914D8A5096446B40CD861C641EF9C2730CB057D7B133F4C2B16BBD3D75FDDBD9151AAF0F9144AAA473AC93CF945DBFE0859FB685D5CBD0A8B3", nil, 16, nil);
- b = strtomp("C41CFBE4D4846F67A3DF7DE9921A49D3B42DC33728427AB159CEC8CBBDB12B5F0C244F1A734AEB9840804EA3C25036AD1B61AFF3ABBC247CD4B384224567A863A6F020E7EE9795554BCD08ABAD7321AF27E1E92E3DB1C6E7E94FAAE590AE9C48F96D93D178E809401ABE8A534A1EC44359733475A36A70C7B425125062B1142D", nil, 16, nil);
- mpextendedgcd(a, b, d, x, y);
- print("gcd %B*%B+%B*%B = %B?\n", a, x, b, y, d);
- mpfree(a);
- mpfree(b);
-
- for(i = 0; i < loops; i++){
- a = mprand(2048, prng, nil);
- b = mprand(2048, prng, nil);
- then = nsec();
- mpextendedgcd(a, b, d, x, y);
- now = nsec();
- etime += now-then;
- mpmul(a, x, t1);
- mpmul(b, y, t2);
- mpadd(t1, t2, t2);
- if(mpcmp(d, t2) != 0)
- print("%d gcd %B*%B+%B*%B != %B\n", i, a, x, b, y, d);
-// else
-// print("%d euclid %B*%B+%B*%B == %B\n", i, a, x, b, y, d);
- mpfree(a);
- mpfree(b);
- }
-
- mpfree(x);
- mpfree(y);
- mpfree(d);
- mpfree(t1);
- mpfree(t2);
-
- if(loops > 1)
- print("binary %llud\n", etime);
-}
-
-extern int _unnormalizedwarning = 1;
-
-void
-main(int argc, char **argv)
-{
- mpint *x, *y;
-
- ARGBEGIN{
- case 'n':
- loops = atoi(ARGF());
- break;
- }ARGEND;
-
- fmtinstall('B', mpfmt);
- fmtinstall('Q', mpfmt);
- srand(0);
- mpsetminbits(2*Dbits);
- testshift("1111111111111111");
- testaddsub("fffffffffffffffff");
- testdigdiv("1234567812345678", 0x76543218);
- testdigdiv("1ffff", 0xffff);
- testdigdiv("ffff", 0xffff);
- testdigdiv("fff", 0xffff);
- testdigdiv("effffffff", 0xffff);
- testdigdiv("ffffffff", 0x1);
- testdigdiv("ffffffff", 0);
- testdigdiv("200000000", 2);
- testdigdiv("ffffff00fffffff1", 0xfffffff1);
- testvecdigmuladd("fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", 2);
- testconv("0");
- testconv("-abc0123456789abcedf");
- testconv("abc0123456789abcedf");
- testconv("ffffffff");
- testconv("aaaaaaaaaaaaaaaaa");
- testconv("1111111111111111");
- testconv("33333333333333333333333333333333");
-
- testvecdigmulsub("fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", 2);
- testsub1("1FFFFFFFE00000000", "FFFFFFFE00000001");
- testmul1("ffffffff", "f");
- testmul("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff");
- testmul1("100000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000030000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000004FFFFFFFFFFFFFFFE0000000200000000000000000000000000000003FFFFFFFFFFFFFFFE0000000200000000000000000000000000000002FFFFFFFFFFFFFFFE0000000200000000000000000000000000000001FFFFFFFFFFFFFFFE0000000200000000000000000000000000000000FFFFFFFFFFFFFFFE0000000200000000FFFFFFFE00000001", "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF");
- testmul1("1000000000000000000000001000000000000000000000001000000000000000000000001000000000000000000000001000000000000000000000001000000000000000000000001000000000000000000000001", "1000000000000000000000001000000000000000000000001000000000000000000000001000000000000000000000001000000000000000000000001000000000000000000000001000000000000000000000001");
- testmul1("1000000000000000000000001000000000000000000000001000000000000000000000001000000000000000000000001000000000000000000000001000000000000000000000001000000000000000000000001", "1000000000000000000000001000000000000000000000001000000000000000000000001000000000000000000000001000000000000000000000001000000000000000000000001000000000000000000000001");
- testmul1("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000", "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000");
- x = mprand(256, prng, nil);
- y = mprand(128, prng, nil);
- testdiv(x, y);
- x = mprand(2048, prng, nil);
- y = mprand(1024, prng, nil);
- testdiv(x, y);
-// x = mprand(4*1024, prng, nil);
-// y = mprand(4*1024, prng, nil);
-// testmul2(x, y);
- testsub1("677132C9", "-A26559B6");
- testgcd();
- x = mprand(512, prng, nil);
- x->sign = -1;
- y = mprand(256, prng, nil);
- testdiv(x, y);
- testmod(x, y);
- x->sign = 1;
- testinvert(y, x);
- testexp("111111111", "222", "1000000000000000000000");
- testexp("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", "ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", "100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000");
-#ifdef asdf
-#endif adsf
- print("done\n");
- exits(0);
-}