add missing LINK(m) and XOPEN(4[00]) information

26 files changed, 36 insertions, 2 deletions

diff --git a/src/math/M_2_SQRTPI.c b/src/math/M_2_SQRTPI.c
index b25a4974..f8d102b5 100644
--- a/src/math/M_2_SQRTPI.c
+++ b/src/math/M_2_SQRTPI.c
@@ -1,5 +1,5 @@
 #include <math.h>
-#define M_2_PI 2.0/sqrt(3.14159)
+#define M_2_SQRTPI 2.0/sqrt(3.14159)
 /*
 XOPEN(4)
 */
diff --git a/src/math/acosh.c b/src/math/acosh.c
index 3e64e9d1..12fe6b71 100644
--- a/src/math/acosh.c
+++ b/src/math/acosh.c
@@ -9,5 +9,6 @@ TYPE TGFN(acosh)(TYPE x)
 
 /*
 STDC(199901)
+XOPEN(400)
 LINK(m)
 */
diff --git a/src/math/asinh.c b/src/math/asinh.c
index e4086844..48aae9b0 100644
--- a/src/math/asinh.c
+++ b/src/math/asinh.c
@@ -9,5 +9,6 @@ TYPE TGFN(asinh)(TYPE x)
 
 /*
 STDC(199901)
+XOPEN(400)
 LINK(m)
 */
diff --git a/src/math/atanh.c b/src/math/atanh.c
index 2f5f62f1..5db3b26b 100644
--- a/src/math/atanh.c
+++ b/src/math/atanh.c
@@ -9,5 +9,6 @@ TYPE TGFN(atanh)(TYPE x)
 
 /*
 STDC(199901)
+XOPEN(400)
 LINK(m)
 */
diff --git a/src/math/cbrt.c b/src/math/cbrt.c
index 596cabd2..864a6117 100644
--- a/src/math/cbrt.c
+++ b/src/math/cbrt.c
@@ -9,5 +9,6 @@ TYPE TGFN(cbrt)(TYPE x)
 
 /*
 STDC(199901)
+XOPEN(400)
 LINK(m)
 */
diff --git a/src/math/erf.c b/src/math/erf.c
index 63525700..97dbc2b4 100644
--- a/src/math/erf.c
+++ b/src/math/erf.c
@@ -9,5 +9,6 @@ TYPE TGFN(erf)(TYPE x)
 
 /*
 STDC(199901)
+XOPEN(4)
 LINK(m)
 */
diff --git a/src/math/erfc.c b/src/math/erfc.c
index 3aef20d3..06b06b5a 100644
--- a/src/math/erfc.c
+++ b/src/math/erfc.c
@@ -9,5 +9,6 @@ TYPE TGFN(erfc)(TYPE x)
 
 /*
 STDC(199901)
+XOPEN(4)
 LINK(m)
 */
diff --git a/src/math/expm1.c b/src/math/expm1.c
index f50c43a4..4c3b1c45 100644
--- a/src/math/expm1.c
+++ b/src/math/expm1.c
@@ -2,12 +2,13 @@
 #include "nonstd/tgmath.h"
 #include <math.h>
 
-TYPE TGFN(exmp1)(TYPE x)
+TYPE TGFN(expm1)(TYPE x)
 {
 	return x;
 }
 
 /*
 STDC(199901)
+XOPEN(400)
 LINK(m)
 */
diff --git a/src/math/gamma.c b/src/math/gamma.c
index 326d5154..b43abfa6 100644
--- a/src/math/gamma.c
+++ b/src/math/gamma.c
@@ -7,4 +7,5 @@ double gamma(double x)
 
 /*
 XOPEN(4,600)
+LINK(m)
 */
diff --git a/src/math/hypot.c b/src/math/hypot.c
index 8a792143..25fbae0b 100644
--- a/src/math/hypot.c
+++ b/src/math/hypot.c
@@ -9,5 +9,6 @@ TYPE TGFN(hypot)(TYPE x, TYPE y)
 
 /*
 STDC(199901)
+XOPEN(4)
 LINK(m)
 */
diff --git a/src/math/ilogb.c b/src/math/ilogb.c
index ef9c0595..2f37fa7b 100644
--- a/src/math/ilogb.c
+++ b/src/math/ilogb.c
@@ -9,5 +9,6 @@ TYPE TGFN(ilogb)(TYPE x)
 
 /*
 STDC(199901)
+XOPEN(400)
 LINK(m)
 */
diff --git a/src/math/isnan.c b/src/math/isnan.c
index 2ae4b4d2..472bc4b8 100644
--- a/src/math/isnan.c
+++ b/src/math/isnan.c
@@ -9,4 +9,5 @@
 /*
 STDC(199901)
 LINK(m)
+see also SUSv1
 */
diff --git a/src/math/j0.c b/src/math/j0.c
index 89977340..37b8cd11 100644
--- a/src/math/j0.c
+++ b/src/math/j0.c
@@ -7,4 +7,5 @@ double j0(double x)
 
 /*
 XOPEN(4)
+LINK(m)
 */
diff --git a/src/math/j1.c b/src/math/j1.c
index a846c459..2e64089b 100644
--- a/src/math/j1.c
+++ b/src/math/j1.c
@@ -7,4 +7,5 @@ double j1(double x)
 
 /*
 XOPEN(4)
+LINK(m)
 */
diff --git a/src/math/jn.c b/src/math/jn.c
index dedd0dbb..b6bfb644 100644
--- a/src/math/jn.c
+++ b/src/math/jn.c
@@ -7,4 +7,5 @@ double jn(int n, double x)
 
 /*
 XOPEN(4)
+LINK(m)
 */
diff --git a/src/math/lgamma.c b/src/math/lgamma.c
index 381dc442..7336d946 100644
--- a/src/math/lgamma.c
+++ b/src/math/lgamma.c
@@ -9,5 +9,6 @@ TYPE TGFN(lgamma)(TYPE x)
 
 /*
 STDC(199901)
+XOPEN(4)
 LINK(m)
 */
diff --git a/src/math/log1p.c b/src/math/log1p.c
index 1ed70439..0afcb33f 100644
--- a/src/math/log1p.c
+++ b/src/math/log1p.c
@@ -9,5 +9,6 @@ TYPE TGFN(log1p)(TYPE x)
 
 /*
 STDC(199901)
+XOPEN(400)
 LINK(m)
 */
diff --git a/src/math/logb.c b/src/math/logb.c
index c14582df..49cdf274 100644
--- a/src/math/logb.c
+++ b/src/math/logb.c
@@ -9,5 +9,6 @@ TYPE TGFN(logb)(TYPE x)
 
 /*
 STDC(199901)
+XOPEN(400)
 LINK(m)
 */
diff --git a/src/math/nextafter.c b/src/math/nextafter.c
index 315b184c..fa059035 100644
--- a/src/math/nextafter.c
+++ b/src/math/nextafter.c
@@ -9,5 +9,6 @@ TYPE TGFN(nextafter)(TYPE x, TYPE y)
 
 /*
 STDC(199901)
+XOPEN(400)
 LINK(m)
 */
diff --git a/src/math/remainder.c b/src/math/remainder.c
index a50c7a81..c4c360ca 100644
--- a/src/math/remainder.c
+++ b/src/math/remainder.c
@@ -9,4 +9,5 @@ TYPE TGFN(remainder)(TYPE x, TYPE y)
 /*
 XOPEN(400)
 POSIX(200112)
+LINK(m)
 */
diff --git a/src/math/rint.c b/src/math/rint.c
index f6ba653f..920525d4 100644
--- a/src/math/rint.c
+++ b/src/math/rint.c
@@ -9,5 +9,6 @@ TYPE TGFN(rint)(TYPE x)
 
 /*
 STDC(199901)
+XOPEN(400)
 LINK(m)
 */
diff --git a/src/math/scalb.c b/src/math/scalb.c
new file mode 100644
index 00000000..ab49c533
--- /dev/null
+++ b/src/math/scalb.c
@@ -0,0 +1,10 @@
+#include <math.h>
+
+double scalb(double x, double n)
+{
+}
+
+/*
+XOPEN(400)
+LINK(m)
+*/
diff --git a/src/math/signgam.c b/src/math/signgam.c
index dedc166d..9da63e1a 100644
--- a/src/math/signgam.c
+++ b/src/math/signgam.c
@@ -2,4 +2,5 @@
 int signgam;
 /*
 XOPEN(4)
+LINK(m)
 */
diff --git a/src/math/y0.c b/src/math/y0.c
index d1286d5d..6e30f9a8 100644
--- a/src/math/y0.c
+++ b/src/math/y0.c
@@ -7,4 +7,5 @@ double y0(double x)
 
 /*
 XOPEN(4)
+LINK(m)
 */
diff --git a/src/math/y1.c b/src/math/y1.c
index b4c84a10..4323c8c8 100644
--- a/src/math/y1.c
+++ b/src/math/y1.c
@@ -7,4 +7,5 @@ double y1(double x)
 
 /*
 XOPEN(4)
+LINK(m)
 */
diff --git a/src/math/yn.c b/src/math/yn.c
index 4b6ac1a6..921dca38 100644
--- a/src/math/yn.c
+++ b/src/math/yn.c
@@ -7,4 +7,5 @@ double yn(int n, double x)
 
 /*
 XOPEN(4)
+LINK(m)
 */