8000 Introduce loadable pseudo-random number generators. by Don-Ward · Pull Request #200 · uniconproject/unicon · GitHub
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Introduce loadable pseudo-random number generators. #200

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Introduce loadable pseudo-random number generators. #200

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0e71b65
Preparation for loadable Random Number Generators (rnglibs).
Don-Ward Mar 22, 2022
1613ad4
Add rnglib <-> runtime API and new standard functions.
Don-Ward Mar 22, 2022
5ce511e
Add rnglib definitions to &features and the Unicon preprocessor
Don-Ward Mar 22, 2022
64f9d5f
Modify &random and the ? operator to use rnglibs.
Don-Ward Mar 22, 2022
ad7dbc3
Add prnglib failure codes and boilerplate error messages.
Don-Ward Mar 22, 2022
dd0c602
Make GC aware of (and collect) rnglib structures.
Don-Ward Mar 22, 2022
b834443
Add the rngIconEx loadable library.
Don-Ward Mar 22, 2022
e1a126d
Add the rngRbt loadable library.
Don-Ward Mar 22, 2022
adc3c32
Add the rngRlx++ loadable library.
Don-Ward Mar 22, 2022
f88615d
Add the rngGSL loadable library.
Don-Ward Mar 22, 2022
9c7fedf
Modify the Unicon build process to include rng loadable libraries.
Don-Ward Mar 22, 2022
12ff379
Add rnglib test programs.
Don-Ward Mar 22, 2022
27720cf
Document the new rnglib features in Appendix G of the Unicon book.
Don-Ward Mar 22, 2022
7c2fa58
Initial draft of a utr that describes the rnglib changes.
Don-Ward Mar 22, 2022
a76dbd8
Fix typo in the name of the rngRbt directory.
Don-Ward Mar 22, 2022
2e060f1
Update build.yml to add a rnglib test build.
Don-Ward Mar 15, 2022
c3ff9b3
runtime: avoid name collision with getrandom() from libc [Jafar Al-Gh…
Don-Ward Jul 1, 2024
0e430d8
Accomodate differences between 32-bit and 64-bit builds of rngRbt
Don-Ward Jul 30, 2024
0580ac8
Update endianness tests when building rngRbt.
Don-Ward May 11, 2025
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runtime: avoid name collision with getrandom() from libc [Jafar Al-Gh… 
…araibeh]

This is a slight rework of commit 27b385c. It is needed because the
PRNG code uses unicon_getrandom() in fmisc.r as well as init.r
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@Don-Ward
Don-Ward committed May 11, 2025
commit c3ff9b3e38bf1ac80c86b542f8b3686780de6d4b
1 change: 1 addition & 0 deletions src/h/rproto.h
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Expand Up @@ -279,6 +279,7 @@ int fldlookup (struct b_record *rec, const char * const fld);
void fpetrap (void);

int getenv_r (const char *name, char *buf, size_t len);
word unicon_getrandom(void);
int getvar (char *s,dptr vp);

int getkeyword (char *s, dptr vp);
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4 changes: 2 additions & 2 deletions src/runtime/fmisc.r
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Expand Up @@ -2842,7 +2842,7 @@ body {
/* Revert to built-in rngIcon */
curtstate->rng = NULL;
curtstate->Kywd_ran = zerodesc;
IntVal(curtstate->Kywd_ran) = getrandom(); /* Reinitialize */
IntVal(curtstate->Kywd_ran) = unicon_getrandom(); /* Reinitialize */
} else {
#ifndef Arrays
/* The rng state is stored as an array of integers */
Expand Down Expand Up @@ -2965,7 +2965,7 @@ body {
/* Call startRng */
{
struct rng_rt_api api;
api.getInitialBits = getrandom;
api.getInitialBits = unicon_getrandom;
api.getRngState = getRngState;
api.putErrorCode = putErrorCode;

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3 changes: 1 addition & 2 deletions src/runtime/init.r
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Expand Up @@ -15,7 +15,6 @@ static FILE * readhdr (char *name, struct header *hdr);
/*
* Prototypes.
*/
static word unicon_getrandom(void);
static void env_err (char *msg, char *name, char *val);
FILE *pathOpen (char *fname, char *mode);

Expand Down Expand Up @@ -1675,7 +1674,7 @@ int err()
return strcmp(a->pstrep, b->pstrep);
}

static word unicon_getrandom(void)
word unicon_getrandom()
{
#ifndef NoRandomize
/*
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