commit 931503bedc526b0f8a0a009fb41bd68d9712908a
parent 77906b5f6b19ddb1f51da461b4a50d4284f2c0cf
Author: thing1 <thing1@seacrossedlovers.xyz>
Date: Wed, 8 Oct 2025 10:02:21 +0100
had a lab
Diffstat:
9 files changed, 117 insertions(+), 0 deletions(-)
diff --git a/CS12020/labs/task3/task3.ino b/CS12020/labs/lab1/task3/task3.ino
diff --git a/CS12020/labs/task4-6/task4-6.ino b/CS12020/labs/lab1/task4-6/task4-6.ino
diff --git a/CS12020/labs/lab2/algo.md b/CS12020/labs/lab2/algo.md
@@ -0,0 +1,5 @@
+- have a function that reads time in hours, mins seconds
+ - store the data in a struct that is passed by reference to the input function
+- make a function that adds 3 time values
+ - make it check if a value is over 60 and add to the next col
+ - do this via dividing the total
diff --git a/CS12020/labs/lab2/triathlon/triathlon.ino b/CS12020/labs/lab2/triathlon/triathlon.ino
@@ -0,0 +1,64 @@
+struct time { int hours, mins, secs; };
+
+void
+SEprintf(const char *fmt, ...) {
+ static char sbuf[64] = { 0 };
+ va_list ap;
+ va_start(ap, fmt);
+ vsnprintf(sbuf, 64, fmt, ap);
+ va_end(ap);
+ Serial.print(sbuf);
+}
+
+int
+readint() {
+ while (!Serial.available()) ;
+ return Serial.parseInt();
+}
+
+void
+readtime(const char *sport, struct time *t) {
+ SEprintf("How many hours did %s take: ", sport);
+ t->hours = readint();
+ Serial.println();
+
+ SEprintf("How many mins did %s take: ", sport);
+ t->mins = readint();
+ Serial.println();
+
+ SEprintf("How many secs did %s take: ", sport);
+ t->secs = readint();
+ Serial.println();
+}
+
+void
+addtimes(struct time t1, struct time t2, struct time t3, struct time *res) {
+ int scarry = 0, mcarry = 0;
+
+ res->secs = t1.secs + t2.secs + t3.secs;
+ scarry = (res->secs / 60);
+ res->secs %= 60;
+
+ res->mins = t1.mins + t2.mins + t3.mins + scarry;
+ mcarry = (res->mins / 60);
+ res->mins %= 60;
+
+ res->hours = t1.hours + t2.hours + t3.hours + mcarry;
+}
+
+void
+setup() {
+ struct time t1, t2, t3, res;
+ Serial.begin(9600);
+
+ readtime("swim", &t1);
+ readtime("cycle", &t2);
+ readtime("run", &t3);
+
+ addtimes(t1, t2, t3, &res);
+ SEprintf("Total time: %dhr %dmin %dsec.\n", res.hours, res.mins, res.secs);
+}
+
+void
+loop() {
+}
diff --git a/CS18120/07.10.25.md b/CS18120/07.10.25.md
@@ -0,0 +1,4 @@
+07/10/25
+========
+
+- Don't hack the US DOD
diff --git a/MP10610/07.10.25.md b/MP10610/07.10.25.md
@@ -0,0 +1,38 @@
+07/10/25
+========
+
+exp
+---
+- see FIG1 for exp funcs
+- e^x has the derivative of e^x
+- it crosses at (0, 1)
+- never crosses the x axis
+
+log
+---
+- see FIG2 for exp funcs
+- ln(x) is a mirror of e^x along y=x
+- ln(x) has the derivative of 1/x
+- never crosses the y axis
+
+even and odd functions
+----------------------
+- if FIG3 is true for all values of x then the function is even
+- x^2 is an even function
+- see FIG4 for the definiton of an odd function
+- y = x is an odd function
+- see FIG7 for how to split a function into even and odd parts
+- see FIG8 for how to split e^x
+
+hyberbolic functions
+--------------------
+- note that fo(x) = sinH(x) not sin(x), it is sin hyberbolic in FIG8 not
+- fe(x) in FIG8 is cosH(x)
+- tanH(x) is sinH(x) / cosH(x)
+
+combining functions
+-------------------
+- see FIG10 for combining functions
+
+
+
diff --git a/teaching/a.out b/teaching/a.out
diff --git a/teaching/test b/teaching/test
Binary files differ.
diff --git a/teaching/test.c b/teaching/test.c
@@ -0,0 +1,6 @@
+#include "stdio.h"
+
+int main() {
+ printf("hello world\n");
+ return 0;
+}
