From 40f999d693ec1c07aa274f3c52b38dc33870fe79 Mon Sep 17 00:00:00 2001
From: Brian Rogers <captbrogers@protonmail.ch>
Date: Mon, 25 Mar 2024 15:29:43 -0600
Subject: [PATCH] doing first temperature exercise

---
 chapter-01/temperature-io/Makefile |  2 ++
 chapter-01/temperature-io/main.c   | 18 ++++++++++++++++++
 2 files changed, 20 insertions(+)
 create mode 100644 chapter-01/temperature-io/Makefile
 create mode 100644 chapter-01/temperature-io/main.c

diff --git a/chapter-01/temperature-io/Makefile b/chapter-01/temperature-io/Makefile
new file mode 100644
index 0000000..9ffb3be
--- /dev/null
+++ b/chapter-01/temperature-io/Makefile
@@ -0,0 +1,2 @@
+all:
+	gcc -o temperature-table.x86_64 main.c
diff --git a/chapter-01/temperature-io/main.c b/chapter-01/temperature-io/main.c
new file mode 100644
index 0000000..799ea95
--- /dev/null
+++ b/chapter-01/temperature-io/main.c
@@ -0,0 +1,18 @@
+#include <stdio.h>
+
+#define     LOWER   0       /* lower limit of table */
+#define     UPPER   300     /* upper limit of table */
+#define     STEP    20      /* increment size */
+
+int main()
+{
+    float fahr, celsius, tModifier;
+
+    fahr = LOWER;
+    tModifier = (5.0/9.0);
+    while (fahr <= UPPER) {
+        celsius = tModifier * (fahr - 32.0);
+        printf("%3.0f\t%5.1f\n", fahr, celsius);
+        fahr = fahr + STEP;
+    }
+}