Updated coin to allow for multiple flips

8 files changed, 58 insertions, 23 deletions

diff --git a/.DS_Store b/.DS_Store
index 1c7c9d9..b48a754 100644
--- a/.DS_Store
+++ b/.DS_Store
diff --git a/.vscode/configurationCache.log b/.vscode/configurationCache.log
index c60bec6..3fb4b13 100644
--- a/.vscode/configurationCache.log
+++ b/.vscode/configurationCache.log
@@ -1 +1 @@
-{"buildTargets":["all","clean","cmd/.","coin/.","dice/.","echo/.","install","src"],"launchTargets":["/Users/jmm/Documents/git/ProjectMustang/src/cmd/coin>coin()","/Users/jmm/Documents/git/ProjectMustang/src/cmd/dice>dice()","/Users/jmm/Documents/git/ProjectMustang/src/cmd/echo>echo()"],"customConfigurationProvider":{"workspaceBrowse":{"browsePath":["/Users/jmm/Documents/git/ProjectMustang/src/cmd/coin","/Users/jmm/Documents/git/ProjectMustang/src/cmd/dice","/Users/jmm/Documents/git/ProjectMustang/src/cmd/echo"],"compilerArgs":["-o","echo","echo.c"]},"fileIndex":[["/Users/jmm/Documents/git/ProjectMustang/src/cmd/coin/coin.c",{"uri":{"$mid":1,"fsPath":"/Users/jmm/Documents/git/ProjectMustang/src/cmd/coin/coin.c","path":"/Users/jmm/Documents/git/ProjectMustang/src/cmd/coin/coin.c","scheme":"file"},"configuration":{"defines":[],"standard":"c11","includePath":[],"forcedInclude":[],"intelliSenseMode":"clang-x64","compilerPath":"/usr/bin/cc","compilerArgs":["-o","coin","coin.c"],"windowsSdkVersion":""}}],["/Users/jmm/Documents/git/ProjectMustang/src/cmd/dice/dice.c",{"uri":{"$mid":1,"fsPath":"/Users/jmm/Documents/git/ProjectMustang/src/cmd/dice/dice.c","path":"/Users/jmm/Documents/git/ProjectMustang/src/cmd/dice/dice.c","scheme":"file"},"configuration":{"defines":[],"standard":"c11","includePath":[],"forcedInclude":[],"intelliSenseMode":"clang-x64","compilerPath":"/usr/bin/cc","compilerArgs":["-o","dice","dice.c"],"windowsSdkVersion":""}}],["/Users/jmm/Documents/git/ProjectMustang/src/cmd/echo/echo.c",{"uri":{"$mid":1,"fsPath":"/Users/jmm/Documents/git/ProjectMustang/src/cmd/echo/echo.c","path":"/Users/jmm/Documents/git/ProjectMustang/src/cmd/echo/echo.c","scheme":"file"},"configuration":{"defines":[],"standard":"c11","includePath":[],"forcedInclude":[],"intelliSenseMode":"clang-x64","compilerPath":"/usr/bin/cc","compilerArgs":["-o","echo","echo.c"],"windowsSdkVersion":""}}]]}}
\ No newline at end of file
+{"buildTargets":["all","clean","install","src"],"launchTargets":[],"customConfigurationProvider":{"workspaceBrowse":{"browsePath":[],"compilerArgs":[]},"fileIndex":[]}}
\ No newline at end of file
diff --git a/.vscode/dryrun.log b/.vscode/dryrun.log
index 4edcbd5..51f061e 100644
--- a/.vscode/dryrun.log
+++ b/.vscode/dryrun.log
@@ -1,4 +1,4 @@
-make all -f "/Users/jmm/Documents/git/ProjectMustang/makefile" --dry-run --keep-going --print-directory

+make all -f "/Users/jmm/Documents/git/ProjectMustang/makefile" --dry-run --always-make --keep-going --print-directory

 make: Entering directory `/Users/jmm/Documents/git/ProjectMustang'
 make: Nothing to be done for `all'.
 make: Leaving directory `/Users/jmm/Documents/git/ProjectMustang'
diff --git a/.vscode/targets.log b/.vscode/targets.log
index 1ccc479..0d9e783 100644
--- a/.vscode/targets.log
+++ b/.vscode/targets.log
@@ -6,13 +6,11 @@ make all -f "/Users/jmm/Documents/git/ProjectMustang/makefile" --print-data-base
 # PARTICULAR PURPOSE.
 
 # This program built for i386-apple-darwin11.3.0
- 

 
-# Make data base, printed on Sun Oct 10 19:18:58 2021
+# Make data base, printed on Mon Nov  1 10:33:21 2021
 
 # Variables
 
- 

 # automatic
 <D = $(patsubst %/,%,$(dir $<))
 # automatic
@@ -44,7 +42,7 @@ INFOPATH = /opt/homebrew/share/info:
 # environment
 PLAN9 = /opt/plan9port
 # environment
-VSCODE_IPC_HOOK_EXTHOST = /var/folders/qq/frtrjqf10vlcgdw8_fwlhm_c0000gn/T/vscode-ipc-02e54fef-6923-4e13-a59c-f729dc06389a.sock
+VSCODE_IPC_HOOK_EXTHOST = /var/folders/qq/frtrjqf10vlcgdw8_fwlhm_c0000gn/T/vscode-ipc-6442ebc7-8e85-4d28-b0e2-f9a0fc3ed687.sock
 # environment
 VSCODE_CWD = /
 # environment
@@ -58,13 +56,13 @@ ELECTRON_RUN_AS_NODE = 1
 # default
 .FEATURES := target-specific order-only second-expansion else-if archives jobserver check-symlink
 # environment
-SSH_AUTH_SOCK = /private/tmp/com.apple.launchd.C9Ivjs9yNA/Listeners
+SSH_AUTH_SOCK = /private/tmp/com.apple.launchd.rBEHA7GWj3/Listeners
 # automatic
 %F = $(notdir $%)
 # makefile (from `/Users/jmm/Documents/git/ProjectMustang/makefile', line 1)
 (CC) = clang
 # environment
-DISPLAY = /private/tmp/com.apple.launchd.peroWlR96r/org.xquartz:0
+DISPLAY = /private/tmp/com.apple.launchd.gZJXoHdnVC/org.xquartz:0
 # automatic
 *F = $(notdir $*)
 # environment
@@ -86,7 +84,7 @@ XDG_CACHE_HOME = /Users/jmm/.cache
 # default
 MAKEFILEPATH := /Applications/Xcode.app/Contents/Developer/Makefiles
 # environment
-VSCODE_CODE_CACHE_PATH = /Users/jmm/Library/Application Support/VSCodium/CachedData/ee8c7def80afc00dd6e593ef12f37756d8f504ea
+VSCODE_CODE_CACHE_PATH = /Users/jmm/Library/Application Support/VSCodium/CachedData/6cba118ac49a1b88332f312a8f67186f7f3c1643
 # environment
 LOGNAME = jmm
 # environment
@@ -126,7 +124,7 @@ TMPDIR = /var/folders/qq/frtrjqf10vlcgdw8_fwlhm_c0000gn/T/
 # environment
 CEDEV = /opt/CEdev
 # environment
-VSCODE_IPC_HOOK = /Users/jmm/Library/Application Support/VSCodium/1.61.0-main.sock
+VSCODE_IPC_HOOK = /Users/jmm/Library/Application Support/VSCodium/1.61.2-main.sock
 # makefile
 MAKEFLAGS = Rrqp
 # environment
@@ -136,7 +134,7 @@ MFLAGS = -Rrqp
 # environment
 HOMEBREW_SHELLENV_PREFIX = /opt/homebrew
 # environment
-XPC_SERVICE_NAME = application.com.visualstudio.code.oss.19706844.19706849
+XPC_SERVICE_NAME = application.com.visualstudio.code.oss.20131101.20131106
 # environment
 HOMEBREW_PREFIX = /opt/homebrew
 # automatic
@@ -178,9 +176,8 @@ SUBDIRS := src
 # environment
 LANG = C
 # environment
-VSCODE_PID = 70512
+VSCODE_PID = 28450
 # variable set hash-table stats:
- 

 # Load=83/1024=8%, Rehash=0, Collisions=3/113=3%
 
 # Pattern-specific Variable Values
@@ -201,7 +198,6 @@ VSCODE_PID = 70512
 all:
 #  Phony target (prerequisite of .PHONY).
 #  Command-line target.
- 

 #  Implicit rule search has not been done.
 #  File does not exist.
 #  File has been updated.
@@ -274,6 +270,6 @@ install:
 # strcache size: total = 4096 / max = 4096 / min = 4096 / avg = 4096
 # strcache free: total = 4047 / max = 4047 / min = 4047 / avg = 4047
 
-# Finished Make data base on Sun Oct 10 19:18:58 2021
+# Finished Make data base on Mon Nov  1 10:33:21 2021
 
  

diff --git a/ProjectMustang.txt b/README.txt
index 0ba4eac..f242343 100644
--- a/ProjectMustang.txt
+++ b/README.txt
@@ -5,7 +5,7 @@ Overview: A UNIX-like operating system with the graphical environment of a 90s o
 
 Features:
 	- Full desktop environment similar to windows 9x
-	- Programmer based environment with tools to make programming, and gui programming easier, like NeXTSTEP
+	- Programmer based environment with tools to make programming, and gui programming, easier; like NeXTSTEP
 	- UNIX-like userland tools
 	- Networking
 	- Support for multiple programming languages like C, C++, GOLANG, and mabye Java
diff --git a/src/cmd/coin/coin.c b/src/cmd/coin/coin.c
index 09ca479..5c58b3c 100644
--- a/src/cmd/coin/coin.c
+++ b/src/cmd/coin/coin.c
@@ -1,15 +1,54 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <time.h>
+#include <string.h>
+
+int coinFlip (int times);
 
 int
-main (void)
+main (int argc, char *argv[])
 {
-	int c;
-	time_t t;
-	srand((unsigned) time(&t));
+	int nflag = 0, i, times = 1, tails, heads;
+	argc--;
 
-	printf("%s\n", (rand() % 2) ? "Heads" : "Tails");
+	for (i = 1; i <= argc; i++) {
+		if (strcmp(argv[i], "-n") == 0)
+			nflag++;
+		else if (nflag == 1)
+			times = atoi(argv[i]);
+			if (times == 0) {
+				printf("Non Integer Value Inputted\n");
+				return -1;
+			}
+	}
+	if (times == 1)
+		printf("%s\n", coinFlip(times) ? "Heads" : "Tails");
+	else {
+		tails = coinFlip(times);
+		heads = times - tails;
+		float ph = (float)heads/times, pt = (float)tails/times;
+
+		printf("Heads: %d\nTails: %d\nProb Heads: %f\nProb Tails: %f\n", heads, tails, ph, pt);
+	}
 
 	return 0;
 }
+
+/* coinFlip: Flips a coin n numbers of times and returns the number of tails */
+int
+coinFlip (int times)
+{
+	int tails, i, c;
+	time_t t;
+	srand((unsigned) time(&t));
+
+	tails = 0;
+
+	for (i = 0; i < times; i++) {
+		c = rand() % 2;
+		if (c == 1)
+			tails++;
+	}
+
+	return tails;
+}
\ No newline at end of file
diff --git a/src/cmd/dice/dice.c b/src/cmd/dice/dice.c
index b31670f..f211d67 100644
--- a/src/cmd/dice/dice.c
+++ b/src/cmd/dice/dice.c
@@ -12,4 +12,4 @@ main (void)
 	printf("%d\n", (rand() % sides) + 1);
 
 	return 0;
-}
+}
\ No newline at end of file
diff --git a/src/cmd/echo/echo.c b/src/cmd/echo/echo.c
index 4733830..3dc8334 100644
--- a/src/cmd/echo/echo.c
+++ b/src/cmd/echo/echo.c
@@ -14,4 +14,4 @@ main (int argc, char *argv[])
 			printf("%s%c", argv[i], (i == argc) ? ((nflag == 1) ? '\0' : '\n') : ' ');
 	}
 	return 0;
-}
+}
\ No newline at end of file