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| author | Sven Eisenhauer <sven@sven-eisenhauer.net> | 2023-11-10 15:11:48 +0100 |
|---|---|---|
| committer | Sven Eisenhauer <sven@sven-eisenhauer.net> | 2023-11-10 15:11:48 +0100 |
| commit | 33613a85afc4b1481367fbe92a17ee59c240250b (patch) | |
| tree | 670b842326116b376b505ec2263878912fca97e2 /Bachelor/Mikroprozessorsysteme2/ARM202U/INCLUDE/FLOAT.H | |
| download | Studium-master.tar.gz Studium-master.tar.bz2 | |
Diffstat (limited to 'Bachelor/Mikroprozessorsysteme2/ARM202U/INCLUDE/FLOAT.H')
| -rw-r--r-- | Bachelor/Mikroprozessorsysteme2/ARM202U/INCLUDE/FLOAT.H | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/Bachelor/Mikroprozessorsysteme2/ARM202U/INCLUDE/FLOAT.H b/Bachelor/Mikroprozessorsysteme2/ARM202U/INCLUDE/FLOAT.H new file mode 100644 index 0000000..b0168ab --- /dev/null +++ b/Bachelor/Mikroprozessorsysteme2/ARM202U/INCLUDE/FLOAT.H @@ -0,0 +1,81 @@ +#pragma force_top_level
+#pragma include_only_once
+
+/* float.h: ANSI 'C' (X3J11 Oct 88) library header, section 2.2.4.2 */
+/* Copyright (C) Codemist Ltd, 1988 */
+/* Copyright (C) Advanced Risc Machines Ltd., 1991 */
+/* version 0.01 */
+
+#ifndef __float_h
+#define __float_h
+
+/* IEEE version: the following values are taken from the above ANSI draft. */
+/* The ACORN FPE (v17) is known not to precisely implement IEEE arithmetic. */
+
+#define FLT_RADIX 2
+ /* radix of exponent representation */
+#define FLT_ROUNDS 1
+ /*
+ * The rounding mode for floating-point addition is characterised by the
+ * value of FLT_ROUNDS:
+ * -1 : indeterminable.
+ * 0 : towards zero.
+ * 1 : to nearest.
+ * 2 : towards positive infinity.
+ * 3 : towards negative infinity.
+ * ? : any other is implementation-defined.
+ */
+
+#define FLT_MANT_DIG 24
+#define DBL_MANT_DIG 53
+#define LDBL_MANT_DIG 53
+ /* number of base-FLT_RADIX digits in the floating point mantissa */
+
+/* The values that follow are not achieved under Acorn's FPE version 17 */
+/* but they should be correct in due course! */
+
+#define FLT_DIG 6
+#define DBL_DIG 15
+#define LDBL_DIG 15
+ /* number of decimal digits of precision */
+
+#define FLT_MIN_EXP (-125)
+#define DBL_MIN_EXP (-1021)
+#define LDBL_MIN_EXP (-1021)
+ /* minimum negative integer such that FLT_RADIX raised to that power */
+ /* minus 1 is a normalised floating-point number. */
+
+#define FLT_MIN_10_EXP (-37)
+#define DBL_MIN_10_EXP (-307)
+#define LDBL_MIN_10_EXP (-307)
+ /* minimum negative integer such that 10 raised to that power is in the */
+ /* range of normalised floating-point numbers. */
+
+#define FLT_MAX_EXP 128
+#define DBL_MAX_EXP 1024
+#define LDBL_MAX_EXP 1024
+ /* maximum integer such that FLT_RADIX raised to that power minus 1 is a */
+#define FLT_MAX_10_EXP 38
+#define DBL_MAX_10_EXP 308
+#define LDBL_MAX_10_EXP 308
+ /* maximum integer such that 10 raised to that power is in the range of */
+ /* representable finite floating-point numbers. */
+
+#define FLT_MAX 3.40282347e+38F
+#define DBL_MAX 1.79769313486231571e+308
+#define LDBL_MAX 1.79769313486231571e+308L
+ /* maximum representable finite floating-point number. */
+
+#define FLT_EPSILON 1.19209290e-7F
+#define DBL_EPSILON 2.2204460492503131e-16
+#define LDBL_EPSILON 2.2204460492503131e-16L
+ /* minimum positive floating point number x such that 1.0 + x != 1.0 */
+
+#define FLT_MIN 1.17549435e-38F
+#define DBL_MIN 2.22507385850720138e-308
+#define LDBL_MIN 2.22507385850720138e-308L
+ /* minimum normalised positive floating-point number. */
+
+#endif
+
+/* end of float.h */
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