Changeset 12b5e94a for libcfa/src/stdlib.hfa

Timestamp:

Feb 9, 2022, 10:59:05 PM (3 years ago)

Author:

Peter A. Buhr <pabuhr@…>

Branches:

ADT, ast-experimental, enum, forall-pointer-decay, master, pthread-emulation, qualifiedEnum

Children:

454b4e0

Parents:

7a15b7e

Message:

add fast PRNG code

File:

• libcfa/src/stdlib.hfa (modified) (3 diffs)

libcfa/src/stdlib.hfa

@@ -10 +10 @@
 // Created On       : Thu Jan 28 17:12:35 2016
 // Last Modified By : Peter A. Buhr
-// Last Modified On : Thu Jan 13 21:34:46 2022
-// Update Count     : 636
+// Last Modified On : Sat Jan 15 09:57:28 2022
+// Update Count     : 640
 //
 
@@ -18 +18 @@
 #include "bits/defs.hfa"                                                                // OPTIONAL_THREAD
 #include "bits/align.hfa"                                                               // libAlign
+#include "bits/random.hfa"                                                              // prng
 
 #include <stdlib.h>                                                                             // *alloc, strto*, ato*
@@ -410 +411 @@
 
 void set_seed( PRNG & prng, uint32_t seed_ );
-uint32_t prng( PRNG & prng ) __attribute__(( warn_unused_result )); // [0,UINT_MAX]
 static inline {
+        uint32_t prng( PRNG & prng ) __attribute__(( warn_unused_result )) with( prng ) { callcnt += 1; return LCG( state ); } // [0,UINT_MAX]
         void ?{}( PRNG & prng ) { set_seed( prng, rdtscl() ); } // random seed
         void ?{}( PRNG & prng, uint32_t seed ) { set_seed( prng, seed ); } // fixed seed