Optimize/add static math functions

examples/standalone/cpp_tireal_pi_montecarlo/src/main.cpp

@@ -2,54 +2,57 @@
 #include <tice.h>
 #include <tireal.hpp>
 
-#define ITER_MAX 15000
-
 using namespace ti::literals;
 
-static char buf[24] = "PI is about ";
-#define buf_offset 12
-
 int main(void)
 {
-    int count = 0; /* points in the unit circle's first quadrant */
-
     /* Clear the screen */
     os_ClrHomeFull();
 
     /* Set the random seed based off the real time clock */
     srand(rtc_Time());
 
-    os_SetCursorPos(0, 0);
+    unsigned i = 0;
+    constexpr unsigned iMax = 10'000;
+    unsigned count = 0; /* points in the unit circle's first quadrant */
+
+    auto print = [&]()
+    {
+        const auto piApprox = ti::real(count) / i * 4;
+
+        char buf[24] = "PI is about ";
+        constexpr size_t bufOffset = 12;
+        piApprox.toCString(buf + bufOffset);
 
-    for (int i = 0; i < ITER_MAX; i++)
+        os_PutStrFull(buf);
+        os_NewLine();
+    };
+
+    while (++i <= iMax)
     {
-        const ti::real x = ti::real(rand()) / RAND_MAX;
-        const ti::real y = ti::real(rand()) / RAND_MAX;
-        const ti::real z = x*x + y*y;
+        const auto x = ti::real(rand()) / RAND_MAX;
+        const auto y = ti::real(rand()) / RAND_MAX;
+        const auto z = x*x + y*y;
         if (z <= 1)
         {
             count++;
         }
-        if (i % 150 == 0) // Just to print some things along the way...
-        {
-            (ti::real(count) / ITER_MAX * 4).toCString(buf+buf_offset);
-            os_PutStrFull(buf);
-            os_NewLine();
-        }
+
         if (os_GetCSC())
         {
             break;
         }
+
+        if (i % 100 == 0)
+        {
+            print();
+        }
     }
 
-    (ti::real(count) / ITER_MAX * 4).toCString(buf+buf_offset);
-    os_PutStrFull(buf);
-    os_NewLine();
+    print();
 
-    os_NewLine();
     os_PutStrFull("Press any key to quit");
-    os_NewLine();
-
     while (!os_GetCSC());
+
     return 0;
 }

examples/standalone/math_test/autotest.json

@@ -0,0 +1,228 @@
+{
+  "transfer_files": [
+    "bin/DEMO.8xp"
+  ],
+  "target": {
+    "name": "DEMO",
+    "isASM": true
+  },
+  "sequence": [
+    "key|clear",
+    "delay|1000",
+    "key|0",
+    "key|enter",
+    "action|launch",
+    "hashWait|not",
+    "key|enter",
+    "hashWait|neg",
+    "key|enter",
+    "hashWait|abs",
+    "key|enter",
+    "hashWait|bitrev",
+    "key|enter",
+    "hashWait|popcnt",
+    "key|enter",
+    "hashWait|and",
+    "key|enter",
+    "hashWait|or",
+    "key|enter",
+    "hashWait|xor",
+    "key|enter",
+    "hashWait|add",
+    "key|enter",
+    "hashWait|sub",
+    "key|enter",
+    "hashWait|shl",
+    "key|enter",
+    "hashWait|shru",
+    "key|enter",
+    "hashWait|shrs",
+    "key|enter",
+    "hashWait|mulu",
+    "key|enter",
+    "hashWait|divu",
+    "key|enter",
+    "hashWait|remu",
+    "key|enter",
+    "hashWait|divs",
+    "key|enter",
+    "hashWait|rems",
+    "key|enter",
+    "hashWait|div_q",
+    "key|enter",
+    "hashWait|div_r",
+    "key|enter",
+    "hashWait|done"
+  ],
+  "hashes": {
+    "not": {
+      "description": "not",
+      "start": "vram_start",
+      "size": "vram_16_size",
+      "expected_CRCs": [
+        "0B3D9374"
+      ]
+    },
+    "neg": {
+      "description": "neg",
+      "start": "vram_start",
+      "size": "vram_16_size",
+      "expected_CRCs": [
+        "10A84E1B"
+      ]
+    },
+    "abs": {
+      "description": "abs",
+      "start": "vram_start",
+      "size": "vram_16_size",
+      "expected_CRCs": [
+        "D7807035"
+      ]
+    },
+    "bitrev": {
+      "description": "bitrev",
+      "start": "vram_start",
+      "size": "vram_16_size",
+      "expected_CRCs": [
+        "BBADF82E"
+      ]
+    },
+    "popcnt": {
+      "description": "popcnt",
+      "start": "vram_start",
+      "size": "vram_16_size",
+      "expected_CRCs": [
+        "62628040"
+      ]
+    },
+    "and": {
+      "description": "and",
+      "start": "vram_start",
+      "size": "vram_16_size",
+      "expected_CRCs": [
+        "32DEF9D5"
+      ]
+    },
+    "or": {
+      "description": "or",
+      "start": "vram_start",
+      "size": "vram_16_size",
+      "expected_CRCs": [
+        "4E247920"
+      ]
+    },
+    "xor": {
+      "description": "xor",
+      "start": "vram_start",
+      "size": "vram_16_size",
+      "expected_CRCs": [
+        "257F7002"
+      ]
+    },
+    "add": {
+      "description": "add",
+      "start": "vram_start",
+      "size": "vram_16_size",
+      "expected_CRCs": [
+        "CD575A4D"
+      ]
+    },
+    "sub": {
+      "description": "sub",
+      "start": "vram_start",
+      "size": "vram_16_size",
+      "expected_CRCs": [
+        "EE1C5453"
+      ]
+    },
+    "shl": {
+      "description": "shl",
+      "start": "vram_start",
+      "size": "vram_16_size",
+      "expected_CRCs": [
+        "FD8CA2EC"
+      ]
+    },
+    "shru": {
+      "description": "shru",
+      "start": "vram_start",
+      "size": "vram_16_size",
+      "expected_CRCs": [
+        "9754CB4F"
+      ]
+    },
+    "shrs": {
+      "description": "shrs",
+      "start": "vram_start",
+      "size": "vram_16_size",
+      "expected_CRCs": [
+        "AB5BE5CB"
+      ]
+    },
+    "mulu": {
+      "description": "mulu",
+      "start": "vram_start",
+      "size": "vram_16_size",
+      "expected_CRCs": [
+        "C6A6FF7D"
+      ]
+    },
+    "divu": {
+      "description": "divu",
+      "start": "vram_start",
+      "size": "vram_16_size",
+      "expected_CRCs": [
+        "F973C020"
+      ]
+    },
+    "remu": {
+      "description": "remu",
+      "start": "vram_start",
+      "size": "vram_16_size",
+      "expected_CRCs": [
+        "5196C205"
+      ]
+    },
+    "divs": {
+      "description": "divs",
+      "start": "vram_start",
+      "size": "vram_16_size",
+      "expected_CRCs": [
+        "2A13A348"
+      ]
+    },
+    "rems": {
+      "description": "rems",
+      "start": "vram_start",
+      "size": "vram_16_size",
+      "expected_CRCs": [
+        "F45969EF"
+      ]
+    },
+    "div_q": {
+      "description": "div_q",
+      "start": "vram_start",
+      "size": "vram_16_size",
+      "expected_CRCs": [
+        "EAFFC6D3"
+      ]
+    },
+    "div_r": {
+      "description": "div_r",
+      "start": "vram_start",
+      "size": "vram_16_size",
+      "expected_CRCs": [
+        "B9786654"
+      ]
+    },
+    "done": {
+      "description": "done",
+      "start": "vram_start",
+      "size": "vram_16_size",
+      "expected_CRCs": [
+        "101734A5",
+        "FFAF89BA"
+      ]
+    }
+  }
+}

examples/standalone/math_test/makefile

@@ -0,0 +1,21 @@
+# ----------------------------
+# Makefile Options
+# ----------------------------
+
+NAME ?= DEMO
+ICON ?= icon.png
+DESCRIPTION ?= "CE C Toolchain Demo"
+COMPRESSED ?= NO
+ARCHIVED ?= NO
+# STATIC_CRT ?= NO
+
+CFLAGS ?= -Os -mllvm -inline-threshold=100 -Wall -Wextra
+CXXFLAGS ?= -Os -mllvm -inline-threshold=100 -Wall -Wextra
+
+# ----------------------------
+
+ifndef CEDEV
+$(error CEDEV environment path variable is not set)
+endif
+
+include $(CEDEV)/meta/makefile.mk

examples/standalone/math_test/readme.md

@@ -0,0 +1,7 @@
+### Math test
+
+Exercises a bunch of math functions.
+
+---
+
+This demo is part of the CE C SDK Toolchain.