1 files changed, 75 insertions, 0 deletions
diff --git a/tinycc/include/float.h b/tinycc/include/float.h
new file mode 100644
index 0000000..24b7410
--- /dev/null
+++ b/tinycc/include/float.h
@@ -0,0 +1,75 @@
+#ifndef _FLOAT_H_
+#define _FLOAT_H_
+
+#define FLT_RADIX 2
+
+/* IEEE float */
+#define FLT_MANT_DIG 24
+#define FLT_DIG 6
+#define FLT_ROUNDS 1
+#define FLT_EPSILON 1.19209290e-07F
+#define FLT_MIN_EXP (-125)
+#define FLT_MIN 1.17549435e-38F
+#define FLT_MIN_10_EXP (-37)
+#define FLT_MAX_EXP 128
+#define FLT_MAX 3.40282347e+38F
+#define FLT_MAX_10_EXP 38
+
+/* IEEE double */
+#define DBL_MANT_DIG 53
+#define DBL_DIG 15
+#define DBL_EPSILON 2.2204460492503131e-16
+#define DBL_MIN_EXP (-1021)
+#define DBL_MIN 2.2250738585072014e-308
+#define DBL_MIN_10_EXP (-307)
+#define DBL_MAX_EXP 1024
+#define DBL_MAX 1.7976931348623157e+308
+#define DBL_MAX_10_EXP 308
+
+/* horrible intel long double */
+#if defined __i386__ || defined __x86_64__
+
+#define LDBL_MANT_DIG 64
+#define LDBL_DIG 18
+#define LDBL_EPSILON 1.08420217248550443401e-19L
+#define LDBL_MIN_EXP (-16381)
+#define LDBL_MIN 3.36210314311209350626e-4932L
+#define LDBL_MIN_10_EXP (-4931)
+#define LDBL_MAX_EXP 16384
+#define LDBL_MAX 1.18973149535723176502e+4932L
+#define LDBL_MAX_10_EXP 4932
+#define DECIMAL_DIG 21
+
+#elif defined __aarch64__ || defined __riscv
+/*
+ * Use values from:
+ * gcc -dM -E -xc /dev/null | grep LDBL | sed -e "s/__//g"
+ */
+#define LDBL_MANT_DIG 113
+#define LDBL_DIG 33
+#define LDBL_EPSILON 1.92592994438723585305597794258492732e-34L
+#define LDBL_MIN_EXP (-16381)
+#define LDBL_MIN 3.36210314311209350626267781732175260e-4932L
+#define LDBL_MIN_10_EXP (-4931)
+#define LDBL_MAX_EXP 16384
+#define LDBL_MAX 1.18973149535723176508575932662800702e+4932L
+#define LDBL_MAX_EXP 16384
+#define DECIMAL_DIG 36
+
+#else
+
+/* same as IEEE double */
+#define LDBL_MANT_DIG 53
+#define LDBL_DIG 15
+#define LDBL_EPSILON 2.2204460492503131e-16L
+#define LDBL_MIN_EXP (-1021)
+#define LDBL_MIN 2.2250738585072014e-308L
+#define LDBL_MIN_10_EXP (-307)
+#define LDBL_MAX_EXP 1024
+#define LDBL_MAX 1.7976931348623157e+308L
+#define LDBL_MAX_10_EXP 308
+#define DECIMAL_DIG 17
+
+#endif
+
+#endif /* _FLOAT_H_ */