ceil.c File Reference

Implements the OP_CEIL opcode using C99 math.h ceil(). More...

#include <math.h>

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Functions
	if (v.type==VAL_INT)
	exit (1)

Variables
case	OP_CEIL
	else
	break

Detailed Description

Implements the OP_CEIL opcode using C99 math.h ceil().

VM opcode snippet included by vm.c. Provides numeric ceiling operation.

Behavior:

• Pops one numeric operand (int or float) from the stack.
• Applies ceil(x) in double precision.
• If the result is an exact 64-bit integer, pushes VAL_INT; otherwise VAL_FLOAT.

Stack effect:

• Pop: x
• Push: ceil(x)

Types:

• Accepts VAL_INT and VAL_FLOAT.
• Other types cause a runtime error.

Errors:

• Exits with an error message if the operand is not a number.

Example:

• Input stack: [2.1] → Output stack: [3]
• Input stack: [-2.1] → Output stack: [-2]

Definition in file ceil.c.

Function Documentation

exit()

exit

(

1

)

if()

else if

(

v.

type = = VAL_INT

)

Definition at line 41 of file ceil.c.

Variable Documentation

break

break

Definition at line 62 of file ceil.c.

else

else

Initial value:

{
    fprintf(stderr, "Runtime type error: CEIL expects number, got %s\n", value_type_name(v.type))

Definition at line 58 of file ceil.c.

OP_CEIL

case OP_CEIL

Definition at line 39 of file ceil.c.