Fixed [rnd.range(1,1) fails #3]

README.md

@@ -62,6 +62,10 @@ Testing entropy.
 
 ## Release Notes
 
+1.2.3
+
+- `rnd.range` returns min if min == max.
+
 1.2.2
 
 - `rnd.range` was causing a crash when MIN is bigger than MAX. Error message added.

main/main.script

@@ -44,7 +44,11 @@ local function test()
     end
 
     print("Error check:")
-    local z =  rnd.range(1, 0) 
+    local z =  rnd.range(10, 0) 
+    print(z)
+    print("--------------------")
+    print("Return min:")
+    local z =  rnd.range(5, 5) 
     print(z)
     print("--------------------")
 end

pcgrandom/include/entropy.h

@@ -25,6 +25,7 @@
 #define ENTROPY_H_INCLUDED 1
 
 #include <stdbool.h>
+#include <stddef.h>
 
 #if __cplusplus
 extern "C" {

pcgrandom/src/pcgrandom.cpp

@@ -2,11 +2,11 @@
 #define LIB_NAME "pcgrandom"
 #define MODULE_NAME "rnd"
 
-#include <dmsdk/sdk.h>
-#include <dmsdk/dlib/log.h>
+#include "entropy.h"
 #include "pcg_basic.h"
+#include <dmsdk/dlib/log.h>
+#include <dmsdk/sdk.h>
 #include <math.h>
-#include "entropy.h"
 
 //#define __STDC_FORMAT_MACROS
 //#include <inttypes.h>
@@ -68,8 +68,14 @@ static int range(lua_State *L)
     min = luaL_checknumber(L, 1);
     max = luaL_checknumber(L, 2);
 
+    if (min == max)
+    {
+        lua_pushnumber(L, min);
+        return 1;
+    }
 
-    if (min >= max) {
+    if (min > max)
+    {
         dmLogError("rnd.range: MAX(%i) must be bigger than MIN(%i)", max, min);
         return 0;
     }
@@ -119,12 +125,12 @@ static int check(lua_State *L)
     printf("\n");
 
     printf("pcg32_random_r:\n"
-        "      -  result:      32-bit unsigned int (uint32_t)\n"
-        "      -  period:      2^64   (* 2^63 streams)\n"
-        "      -  state type:  pcg32_random_t (%zu bytes)\n"
-        "      -  output func: XSH-RR\n"
-        "\n",
-        sizeof(pcg32_random_t));
+           "      -  result:      32-bit unsigned int (uint32_t)\n"
+           "      -  period:      2^64   (* 2^63 streams)\n"
+           "      -  state type:  pcg32_random_t (%zu bytes)\n"
+           "      -  output func: XSH-RR\n"
+           "\n",
+           sizeof(pcg32_random_t));
 
     for (round = 1; round <= rounds; ++round)
     {
@@ -170,9 +176,9 @@ static int check(lua_State *L)
         }
 
         printf("  Cards:");
-        static const char number[] ={ 'A', '2', '3', '4', '5', '6', '7',
-            '8', '9', 'T', 'J', 'Q', 'K' };
-        static const char suit[] ={ 'h', 'c', 'd', 's' };
+        static const char number[] = {'A', '2', '3', '4', '5', '6', '7',
+                                      '8', '9', 'T', 'J', 'Q', 'K'};
+        static const char suit[] = {'h', 'c', 'd', 's'};
         for (i = 0; i < CARDS; ++i)
         {
             printf(" %c%c", number[cards[i] / SUITS], suit[cards[i] % SUITS]);
@@ -186,16 +192,16 @@ static int check(lua_State *L)
 }
 
 static const luaL_reg Module_methods[] =
-{
+    {
 
-    { "seed", seedgen },
-    { "double", double_num },
-    { "roll", roll },
-    { "toss", toss },
-    { "range", range },
-    { "number", number },
-    { "check", check },
-    { 0, 0 } };
+        {"seed", seedgen},
+        {"double", double_num},
+        {"roll", roll},
+        {"toss", toss},
+        {"range", range},
+        {"number", number},
+        {"check", check},
+        {0, 0}};
 
 static void LuaInit(lua_State *L)
 {