Commit 84058343bee31432ca52c423187ee558984d2a0e
2024-03-03T16:54:23
wip random_uniform
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diff --git a/libc3/skiplist.c.in b/libc3/skiplist.c.in
index f39a420..4559713 100644
--- a/libc3/skiplist.c.in
+++ b/libc3/skiplist.c.in
@@ -17,6 +17,7 @@
#include "skiplist_node___NAME$.h"
#include "skiplist___NAME$.h"
#include "u32.h"
+#include "u64.h"
/*
Random height
diff --git a/libc3/skiplist__fact.c b/libc3/skiplist__fact.c
index 6387867..706bfeb 100644
--- a/libc3/skiplist__fact.c
+++ b/libc3/skiplist__fact.c
@@ -17,6 +17,7 @@
#include "skiplist_node__fact.h"
#include "skiplist__fact.h"
#include "u32.h"
+#include "u64.h"
/*
Random height
diff --git a/libc3/u.c.in b/libc3/u.c.in
index d2484b8..aeca793 100644
--- a/libc3/u.c.in
+++ b/libc3/u.c.in
@@ -14,6 +14,7 @@
#include "assert.h"
#include <math.h>
#include <stdlib.h>
+#include "f128.h"
#include "integer.h"
#include "ratio.h"
#include "tag.h"
@@ -94,16 +95,15 @@ u_bits$ * u_bits$_random (u_bits$ *u)
return u;
}
-#if _bits$ > 32
+#if _bits$ == 64 || _bits$ == w
u_bits$ * u_bits$_random_uniform (u_bits$ *u, u_bits$ max)
{
- // TODO
- (void) u;
- (void) max;
- err_puts("u_bits$_random_uniform: not implemented");
- assert(! "u_bits$_random_uniform: not implemented");
- return NULL;
+ f128 x;
+ f128_random(&x);
+ x *= max;
+ *u = (u_bits$) x;
+ return u;
}
#else
diff --git a/libc3/u16.c b/libc3/u16.c
index f083838..d586c41 100644
--- a/libc3/u16.c
+++ b/libc3/u16.c
@@ -14,6 +14,7 @@
#include "assert.h"
#include <math.h>
#include <stdlib.h>
+#include "f128.h"
#include "integer.h"
#include "ratio.h"
#include "tag.h"
@@ -94,16 +95,15 @@ u16 * u16_random (u16 *u)
return u;
}
-#if 16 > 32
+#if 16 == 64 || 16 == w
u16 * u16_random_uniform (u16 *u, u16 max)
{
- // TODO
- (void) u;
- (void) max;
- err_puts("u16_random_uniform: not implemented");
- assert(! "u16_random_uniform: not implemented");
- return NULL;
+ f128 x;
+ f128_random(&x);
+ x *= max;
+ *u = (u16) x;
+ return u;
}
#else
diff --git a/libc3/u32.c b/libc3/u32.c
index 143c6ca..2c8d06b 100644
--- a/libc3/u32.c
+++ b/libc3/u32.c
@@ -14,6 +14,7 @@
#include "assert.h"
#include <math.h>
#include <stdlib.h>
+#include "f128.h"
#include "integer.h"
#include "ratio.h"
#include "tag.h"
@@ -94,16 +95,15 @@ u32 * u32_random (u32 *u)
return u;
}
-#if 32 > 32
+#if 32 == 64 || 32 == w
u32 * u32_random_uniform (u32 *u, u32 max)
{
- // TODO
- (void) u;
- (void) max;
- err_puts("u32_random_uniform: not implemented");
- assert(! "u32_random_uniform: not implemented");
- return NULL;
+ f128 x;
+ f128_random(&x);
+ x *= max;
+ *u = (u32) x;
+ return u;
}
#else
diff --git a/libc3/u64.c b/libc3/u64.c
index e284b2e..0c01e93 100644
--- a/libc3/u64.c
+++ b/libc3/u64.c
@@ -14,6 +14,7 @@
#include "assert.h"
#include <math.h>
#include <stdlib.h>
+#include "f128.h"
#include "integer.h"
#include "ratio.h"
#include "tag.h"
@@ -94,16 +95,15 @@ u64 * u64_random (u64 *u)
return u;
}
-#if 64 > 32
+#if 64 == 64 || 64 == w
u64 * u64_random_uniform (u64 *u, u64 max)
{
- // TODO
- (void) u;
- (void) max;
- err_puts("u64_random_uniform: not implemented");
- assert(! "u64_random_uniform: not implemented");
- return NULL;
+ f128 x;
+ f128_random(&x);
+ x *= max;
+ *u = (u64) x;
+ return u;
}
#else
diff --git a/libc3/u8.c b/libc3/u8.c
index a7b5b11..337ccce 100644
--- a/libc3/u8.c
+++ b/libc3/u8.c
@@ -14,6 +14,7 @@
#include "assert.h"
#include <math.h>
#include <stdlib.h>
+#include "f128.h"
#include "integer.h"
#include "ratio.h"
#include "tag.h"
@@ -94,16 +95,15 @@ u8 * u8_random (u8 *u)
return u;
}
-#if 8 > 32
+#if 8 == 64 || 8 == w
u8 * u8_random_uniform (u8 *u, u8 max)
{
- // TODO
- (void) u;
- (void) max;
- err_puts("u8_random_uniform: not implemented");
- assert(! "u8_random_uniform: not implemented");
- return NULL;
+ f128 x;
+ f128_random(&x);
+ x *= max;
+ *u = (u8) x;
+ return u;
}
#else
diff --git a/libc3/uw.c b/libc3/uw.c
index 1089e58..d44392d 100644
--- a/libc3/uw.c
+++ b/libc3/uw.c
@@ -14,6 +14,7 @@
#include "assert.h"
#include <math.h>
#include <stdlib.h>
+#include "f128.h"
#include "integer.h"
#include "ratio.h"
#include "tag.h"
@@ -94,16 +95,15 @@ uw * uw_random (uw *u)
return u;
}
-#if w > 32
+#if w == 64 || w == w
uw * uw_random_uniform (uw *u, uw max)
{
- // TODO
- (void) u;
- (void) max;
- err_puts("uw_random_uniform: not implemented");
- assert(! "uw_random_uniform: not implemented");
- return NULL;
+ f128 x;
+ f128_random(&x);
+ x *= max;
+ *u = (uw) x;
+ return u;
}
#else