Simple program to define a surface.

tests/hellosurface/.gitignore

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+hellosurface
+

tests/hellosurface/Makefile

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+# This is the default target, which will be built when
+# you invoke make
+.PHONY: all
+all: hellosurface
+
+# This rule tells make how to build hellosurface from hellosurface.cpp
+hellosurface: hellosurface.cpp
+	g++ -g -o hellosurface hellosurface.cpp
+
+# This rule tells make to copy hellosurface to the binaries subdirectory,
+# creating it if necessary
+.PHONY: install
+install:
+	mkdir -p binaries
+	cp -p hellosurface binaries
+
+# This rule tells make to delete hellosurface and hellosurface.o
+.PHONY: clean
+clean:
+	rm -f hellosurface hellosurface.o
+

tests/hellosurface/README

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+Simple program to test a 3d surface.

tests/hellosurface/hellosurface.cpp

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+#include <string.h>
+#include <stdio.h>
+#include <malloc.h>
+#include <math.h>
+#include <iostream>
+
+int main (void) {
+
+    float xyz[] = {
+        0.0, 0.0, 3.0,
+        1.0, 4.0, 0.0,
+        0.0, 1.0, 0.0,
+        4.0, 0.0, 3.0,
+        1.0, 4.0, 7.0,
+        0.0, 6.0, 0.0
+    };
+
+    int npoints = sizeof(xyz) / (3 * sizeof(float));
+
+    printf("Hello surface!\n");
+    printf("# points = %d\n", npoints);
+
+    for (int i=0,j=0; i<npoints; i++) {
+        printf ("%3.1f %3.1f %3.1f\n", xyz[j], xyz[j+1], xyz[j+2]);
+
+        j += 3;
+    }
+
+    return 0;
+}
+