glibc/0021-Sw64-Add-test_numdouble.h-and-test_numfloat.h.patch

From 46d5d9e55be7604efec5bfedfb963da94faba543 Mon Sep 17 00:00:00 2001
From: swcompiler <lc@wxiat.com>
Date: Fri, 29 Nov 2024 17:24:01 +0800
Subject: [PATCH 21/23] Sw64: Add test_numdouble.h and test_numfloat.h

---
 sysdeps/sw_64/include/test_numdouble.h | 106 +++++++++++++++++++++++++
 sysdeps/sw_64/include/test_numfloat.h  | 100 +++++++++++++++++++++++
 2 files changed, 206 insertions(+)
 create mode 100644 sysdeps/sw_64/include/test_numdouble.h
 create mode 100644 sysdeps/sw_64/include/test_numfloat.h

diff --git a/sysdeps/sw_64/include/test_numdouble.h b/sysdeps/sw_64/include/test_numdouble.h
new file mode 100644
index 00000000..30131862
--- /dev/null
+++ b/sysdeps/sw_64/include/test_numdouble.h
@@ -0,0 +1,106 @@
+
+#ifndef _TEST_NUMDOUBLE_H
+
+typedef double DATATYPE;
+
+typedef unsigned long _TYPE; // 8 byte
+// typedef unsigned int _TYPE;  //4 byte
+
+#  define _EXP_BITS 11
+#  define _Fraction_BITS 52
+
+// The highest bit in the decimal part is used to distinguish between QNaN and SNaN
+#  define FRACTION_HIGH_BIT						   \
+    (((_TYPE) 1) << (sizeof (_TYPE) * 8 - _EXP_BITS - 2))
+// Significant bits
+#  define DIGITS_BITS (sizeof (_TYPE) * 8 - _EXP_BITS)
+// exponent offset
+#  define FLOAT_EXP_OFF ((((int) 1) << (_EXP_BITS - 1)) - 1)
+
+// IEEE 754 double format
+typedef struct
+{
+  _TYPE m_nFraction : sizeof (_TYPE) * 8 - _EXP_BITS - 1;
+  _TYPE m_nExp : _EXP_BITS;
+  _TYPE m_nSign : 1;
+} _DATA;
+
+// +0.0 and -0.0
+DATATYPE
+Zero (int sign)
+{
+  DATATYPE rv = 0.0;
+  _DATA *p = (_DATA *) &rv;
+  p->m_nSign = sign;
+  p->m_nExp = 0;
+  p->m_nFraction = 0;
+
+  return rv;
+}
+
+//+subnormal and -subnormal
+DATATYPE
+SubNormal (int sign)
+{
+  DATATYPE rv = 0.0;
+  _DATA *p = (_DATA *) &rv;
+  p->m_nSign = sign;
+  p->m_nExp = 0;
+  p->m_nFraction = 1;
+
+  return rv;
+}
+
+// quiet NaN
+DATATYPE
+QNaN ()
+{
+  DATATYPE rv = 0.0;
+  _DATA *p = (_DATA *) &rv;
+  p->m_nSign = 0;
+  p->m_nExp = -1;
+  p->m_nFraction = FRACTION_HIGH_BIT;
+
+  return rv;
+}
+
+// Signal NaN
+DATATYPE
+CQNaN ()
+{
+  DATATYPE rv = 0.0;
+  _DATA *p = (_DATA *) &rv;
+  p->m_nSign = 1;
+  p->m_nExp = -1;
+  p->m_nFraction = 1;
+
+  return rv;
+}
+
+// +infinite and -infinite
+DATATYPE
+Infinite (int sign)
+{
+  DATATYPE rv = 0.0;
+  _DATA *p = (_DATA *) &rv;
+  p->m_nSign = sign;
+  p->m_nExp = -1;
+  p->m_nFraction = 0;
+
+  return rv;
+}
+
+// get any float
+/*DATATYPE anyf(int nSign,int nExp,long nFraction)
+{
+	DATATYPE rv=0.0;
+	_DATA *p=(_DATA *)&rv;
+	p->m_nSign	     = nSign;
+	p->m_nExp      = nExp;
+	p->m_nFraction = nFraction;
+
+	return rv;
+
+}*/
+
+#endif
diff --git a/sysdeps/sw_64/include/test_numfloat.h b/sysdeps/sw_64/include/test_numfloat.h
new file mode 100644
index 00000000..82a99773
--- /dev/null
+++ b/sysdeps/sw_64/include/test_numfloat.h
@@ -0,0 +1,100 @@
+typedef float DATATYPE;
+
+// typedef unsigned long _TYPE;   //8 byte
+typedef unsigned int _TYPE; // 4 byte
+
+#define _EXP_BITS 8
+#define _Fraction_BITS 23
+
+// The highest bit in the decimal part is used to distinguish between QNaN and SNaN
+#define FRACTION_HIGH_BIT (((_TYPE) 1) << (sizeof (_TYPE) * 8 - _EXP_BITS - 2))
+// Significant bits
+#define DIGITS_BITS (sizeof (_TYPE) * 8 - _EXP_BITS)
+// exponent offset
+#define FLOAT_EXP_OFF ((((int) 1) << (_EXP_BITS - 1)) - 1)
+
+// IEEE 754 float format
+typedef struct
+{
+  _TYPE m_nFraction : sizeof (_TYPE) * 8 - _EXP_BITS - 1;
+  _TYPE m_nExp : _EXP_BITS;
+  _TYPE m_nSign : 1;
+} _DATA;
+
+// +0.0 and -0.0
+DATATYPE
+Zero (int sign)
+{
+  DATATYPE rv = 0.0;
+  _DATA *p = (_DATA *) &rv;
+  p->m_nSign = sign;
+  p->m_nExp = 0;
+  p->m_nFraction = 0;
+
+  return rv;
+}
+
+// +subnormal and-subnormal
+DATATYPE
+SubNormal (int sign)
+{
+  DATATYPE rv = 0.0;
+  _DATA *p = (_DATA *) &rv;
+  p->m_nSign = sign;
+  p->m_nExp = 0;
+  p->m_nFraction = 1;
+
+  return rv;
+}
+
+// quiet NaN
+DATATYPE
+QNaN ()
+{
+  DATATYPE rv = 0.0;
+  _DATA *p = (_DATA *) &rv;
+  p->m_nSign = 0;
+  p->m_nExp = -1;
+  p->m_nFraction = FRACTION_HIGH_BIT;
+
+  return rv;
+}
+
+// Signal NaN
+DATATYPE
+CQNaN ()
+{
+  DATATYPE rv = 0.0;
+  _DATA *p = (_DATA *) &rv;
+  p->m_nSign = 1;
+  p->m_nExp = -1;
+  p->m_nFraction = 1;
+
+  return rv;
+}
+
+// +infinite and -infinite
+DATATYPE
+Infinite (int sign)
+{
+  DATATYPE rv = 0.0;
+  _DATA *p = (_DATA *) &rv;
+  p->m_nSign = sign;
+  p->m_nExp = -1;
+  p->m_nFraction = 0;
+
+  return rv;
+}
+
+// build a float
+DATATYPE
+anyf (int nSign, int nExp, long nFraction)
+{
+  DATATYPE rv = 0.0;
+  _DATA *p = (_DATA *) &rv;
+  p->m_nSign = nSign;
+  p->m_nExp = nExp;
+  p->m_nFraction = nFraction;
+
+  return rv;
+}
-- 
2.25.1