printf core: fix gratuitous integer formatting buffer size

[musl] / include / math.h

diff --git a/include/math.h b/include/math.h
index 3c2105e..14f28ec 100644 (file)
--- a/include/math.h
+++ b/include/math.h
@@ -16,7 +16,7 @@ extern "C" {
 #define INFINITY  __builtin_inff()
 #else
 #define NAN       (0.0f/0.0f)
-#define INFINITY  1e40f
+#define INFINITY  1e5000f
 #endif
 
 #define HUGE_VALF INFINITY
@@ -27,7 +27,7 @@ extern "C" {
 #define MATH_ERREXCEPT 2
 #define math_errhandling 2
 
-#define FP_ILOGBNAN (-1-(int)(((unsigned)-1)>>1))
+#define FP_ILOGBNAN (-1-0x7fffffff)
 #define FP_ILOGB0 FP_ILOGBNAN
 
 #define FP_NAN       0
@@ -36,18 +36,32 @@ extern "C" {
 #define FP_SUBNORMAL 3
 #define FP_NORMAL    4
 
+#ifdef __FP_FAST_FMA
+#define FP_FAST_FMA 1
+#endif
+
+#ifdef __FP_FAST_FMAF
+#define FP_FAST_FMAF 1
+#endif
+
+#ifdef __FP_FAST_FMAL
+#define FP_FAST_FMAL 1
+#endif
+
 int __fpclassify(double);
 int __fpclassifyf(float);
 int __fpclassifyl(long double);
 
 static __inline unsigned __FLOAT_BITS(float __f)
 {
-       union {float __f; unsigned __i;} __u = {__f};
+       union {float __f; unsigned __i;} __u;
+       __u.__f = __f;
        return __u.__i;
 }
 static __inline unsigned long long __DOUBLE_BITS(double __f)
 {
-       union {double __f; unsigned long long __i;} __u = {__f};
+       union {double __f; unsigned long long __i;} __u;
+       __u.__f = __f;
        return __u.__i;
 }
 
@@ -381,6 +395,12 @@ double      yn(int, double);
 #if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
 #define HUGE            3.40282346638528859812e+38F
 
+double      drem(double, double);
+float       dremf(float, float);
+
+int         finite(double);
+int         finitef(float);
+
 double      scalb(double, double);
 float       scalbf(float, float);