Restored back isfinite

AmigaLabs · Jul 19, 2023 · 40ad7f2 · 40ad7f2
1 parent e47e9c4
commit 40ad7f2
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Showing 2 changed files with 8 additions and 8 deletions.
diff --git a/README.md b/README.md
@@ -1,4 +1,4 @@
-# runtime library for AmigaOS4
+# A C runtime library for AmigaOS4
 
 [![Build Status](https://travis-ci.com/afxgroup/clib2.svg?branch=master)](https://travis-ci.org/afxgroup/clib2)
 [![License](https://img.shields.io/badge/License-BSD%203--Clause-blue.svg)](https://opensource.org/licenses/BSD-3-Clause)

diff --git a/library/math/isfinite.c b/library/math/isfinite.c
@@ -7,25 +7,25 @@
 #endif /* _STDIO_HEADERS_H */
 
 int
-__isfinite_float(float x) {
-    int32_t ix;
-    GET_FLOAT_WORD(ix, x);
-    ix &= 0x7fffffff;
-    return (FLT_UWORD_IS_FINITE(ix));
+__isfinite_float(float f) {
+    union IEEEf2bits u;
+
+    u.f = f;
+    return (u.bits.exp != 255);
 }
 
 int
 __isfinite_double(double d) {
     union IEEEd2bits u;
 
     u.d = d;
-    return (u.bits.exp != LDBL_INF_NAN_EXP);
+    return (u.bits.exp != 2047);
 }
 
 int
 __isfinite_long_double(long double d) {
     union IEEEd2bits u;
 
     u.d = d;
-    return (u.bits.exp != LDBL_INF_NAN_EXP);
+    return (u.bits.exp != 2047);
 }