nya

nasm/P.asm

@@ -0,0 +1,88 @@
+extern scanf
+extern printf 
+global main
+
+
+
+section .text
+meow:	
+	fld qword [x + 8 * ebx]
+	fld qword [n]
+	fcomp 
+	fstsw ax
+	sahf
+	jnbe end
+	fld qword [n]
+	fxch
+	fsubr 
+
+	fld qword [s]
+	fadd 
+	fstp qword [s]
+
+	fld qword [x + 8 * ebx]
+
+	fld qword [q]
+	fxch
+	fdivr
+
+	inc ebx
+
+	fstp qword [x + 8 * ebx]
+
+	call meow
+	dec ebx
+
+	fld qword [x + 8 * ebx]
+
+	fld qword [w]
+	fxch
+	fdivr
+	inc ebx
+
+	fstp qword [x + 8 * ebx]
+
+	call meow
+
+	dec ebx
+
+	ret
+
+end:
+	sub esp, 4
+	fstp dword [esp]
+	add esp, 4
+
+	ret
+
+main:
+
+	xor ebx, ebx
+	push x
+	push i
+	call scanf
+	add esp, 8
+	
+	call meow
+
+	fld qword [s]
+	sub esp, 8
+	fstp qword [esp]
+	push o
+	call printf
+	add esp, 12
+
+	xor eax, eax
+	ret
+
+section .data
+i db "%lf", 0
+o db "%.10lf", 10, 13, 0
+
+s dq 0.0
+n dq 1.0
+q dq 2.0
+w dq 3.0
+
+section .bss
+x resq 100000