Second sample illustrating types

src/sample_2.cpp

+#include <string>
+
+int main(int argc, char** arguments) {
+
+	// A value that can be true or false
+	bool flag = false;
+
+	// Integer values
+
+	// An 8 bit signed integer, -128 to 127 in value
+	char first_variable = 0;
+	// An 8 bit unsigned integer, 0 to 255 in value
+	unsigned char second_variable = 1;
+
+	// An 16 bit signed integer, -2^15 to 2^15-1 in value
+	short third_variable;
+	// An 16 bit unsigned integer, 0 to 2^16-1 in value
+	unsigned short fourth_variable;
+
+	// An 32 bit signed integer, -2^31 to 2^31-1 in value
+	int fifth_variable;
+	// An 32 bit unsigned integer, 0 to 2^32-1 in value
+	unsigned int sixth_variable;
+
+	// An 64 bit signed integer, -2^63 to 2^63-1 in value
+	long long seventh_variable;
+	// An 64 bit unsigned integer, 0 to 2^64-1 in value
+	unsigned long long eigth_variable;
+
+	// Variants in gcc
+	// Handy to be sure what size the type has and whether it is signed/unsigned
+	int8_t var1;
+	uint8_t var2;
+
+	int16_t var3;
+	uint16_t var4;
+
+	int32_t var5;
+	uint32_t var6;
+
+	int64_t var7;
+	uint64_t var8;
+
+	// Special gcc feature: even larger integers
+	// Warning: These cannot normally be written to cout/cerr 
+	//          and many common operations might not be supported
+	int128_t var9;
+	uint128_t var10;
+
+
+
+	// Floating point types 
+
+	// 32 bit floating point 
+	float fp_number_1 = 0.1e-6;
+	// FLT_MIN      = 1.175494e-38
+	// FLT_MAX      = 3.402823e+38
+
+
+	// 64 bit floating point 
+	double fp_number_2 = 1e10;
+	// DBL_MIN      = 2.2250738585072014e-308
+	// DBL_MAX      = 1.7976931348623157e+308
+
+
+
+	// Strings of text
+	std::string text_contents = "Hello world";
+}
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