add sincos md

sincos.md

@@ -0,0 +1,73 @@
+
+# Call the sincos glibc C function
+
+# C
+
+```c
+
+#define _GNU_SOURCE
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+
+int main ( int argc , char * argv[] )
+{
+    double a ;
+    double b ;
+    double c ;
+
+    a = atof( argv[1] ) ;
+
+    sincos( a , &b , &c ) ;
+
+    printf( "%f %f\n" , b , c ) ;
+
+    return 0 ;
+}
+```
+
+# Assembly
+
+```s
+
+        .include "utils.s"
+
+        global_text main
+
+        prepare_stack
+
+        .set offset , 0
+
+        stack_allocate ARGV , 8
+        stack_allocate A    , 8
+        stack_allocate B    , 8
+        stack_allocate C    , 8
+
+        mov %rsi , ARGV(%rbp)
+
+        ref8 ARGV , 1 , %rdi
+        call atof ;
+        movsd %xmm0 , A(%rbp)
+
+        movsd A(%rbp) , %xmm0
+        lea   B(%rbp) , %rdi
+        lea   C(%rbp) , %rsi
+
+        call sincos
+
+        print_double B(%rbp)
+        print_literal_string " "
+        print_double C(%rbp)
+        
+        print_nl
+
+        return_integer $0
+        
+
+        ```
+
+# Assemble and run
+
+    $ gcc sincos.s -lm && ./a.out 0.0
+    0.000000 1.000000

sincos.md.in

@@ -0,0 +1,19 @@
+
+# Call the sincos glibc C function
+
+# C
+
+```c
+#include file="sincos.c"
+```
+
+# Assembly
+
+```s
+#include file="sincos.s"
+```
+
+# Assemble and run
+
+    $ gcc sincos.s -lm && ./a.out 0.0
+    0.000000 1.000000