user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<svdvar>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  mov    %rdx,%r13
  push   %r12
  mov    %esi,%r12d
  push   %rbp
  mov    %rcx,%rbp
  push   %rbx
  mov    %rdi,%rbx
  mov    $0x1,%edi
  sub    $0x18,%rsp
  call   <vector@plt>
  mov    %rax,%rdi
  test   %r12d,%r12d
  jle    L27
  lea    -0x1(%r12),%ecx
  movss  D3(%rip),%xmm2
  mov    $0x1,%eax
  pxor   %xmm3,%xmm3
  mov    %ecx,(%rsp)
  lea    0x2(%rcx),%rdx
  nopl   0x0(%rax)
L118:
  movl   $0x0,(%rdi,%rax,4)
  movss  0x0(%r13,%rax,4),%xmm0
  ucomiss %xmm3,%xmm0
  jp     L70
  je     L119
L70:
  mulss  %xmm0,%xmm0
  movaps %xmm2,%xmm1
  divss  %xmm0,%xmm1
  movss  %xmm1,(%rdi,%rax,4)
L119:
  add    $0x1,%rax
  cmp    %rdx,%rax
  jne    L118
  lea    0x3(%rcx),%rax
  mov    %r12d,%r11d
  mov    $0x4,%r13d
  mov    $0x2,%r14d
  mov    %rax,0x8(%rsp)
  mov    %r12d,%eax
  and    $0xfffffffc,%r11d
  shr    $0x2,%eax
  lea    -0x1(%rax),%r9d
  lea    0x1(%r11),%eax
  mov    %eax,0x4(%rsp)
  shl    $0x4,%r9
  add    $0x14,%r9
  nopl   0x0(%rax)
L113:
  mov    (%rbx,%r13,2),%rcx
  mov    0x0(%rbp,%r13,2),%r15
  mov    $0x1,%esi
  xchg   %ax,%ax
L0:
  cmpl   $0x2,(%rsp)
  mov    (%rbx,%rsi,8),%rdx
  jbe    L10
  mov    $0x4,%eax
  movaps %xmm3,%xmm1
  cs nopw 0x0(%rax,%rax,1)
L114:
  movups (%rdx,%rax,1),%xmm0
  movups (%rcx,%rax,1),%xmm4
  movups (%rdi,%rax,1),%xmm5
  add    $0x10,%rax
  mulps  %xmm4,%xmm0
  mulps  %xmm5,%xmm0
  addss  %xmm0,%xmm1
  movaps %xmm0,%xmm2
  shufps $0x55,%xmm0,%xmm2
  addss  %xmm1,%xmm2
  movaps %xmm0,%xmm1
  unpckhps %xmm0,%xmm1
  shufps $0xff,%xmm0,%xmm0
  addss  %xmm2,%xmm1
  addss  %xmm0,%xmm1
  cmp    %r9,%rax
  jne    L114
  cmp    %r11d,%r12d
  je     L90
  mov    0x4(%rsp),%eax
  mov    %r11d,%r8d
L106:
  mov    %r12d,%r10d
  sub    %r8d,%r10d
  cmp    $0x1,%r10d
  je     L81
  add    $0x1,%r8d
  movq   (%rdx,%r8,4),%xmm2
  movq   (%rcx,%r8,4),%xmm0
  mulps  %xmm2,%xmm0
  movq   (%rdi,%r8,4),%xmm2
  mov    %r10d,%r8d
  and    $0xfffffffe,%r8d
  add    %r8d,%eax
  mulps  %xmm2,%xmm0
  addss  %xmm0,%xmm1
  shufps $0xe5,%xmm0,%xmm0
  addss  %xmm0,%xmm1
  cmp    %r10d,%r8d
  je     L90
L81:
  cltq
  movss  (%rdx,%rax,4),%xmm0
  mulss  (%rcx,%rax,4),%xmm0
  mulss  (%rdi,%rax,4),%xmm0
  addss  %xmm0,%xmm1
L90:
  mov    0x0(%rbp,%rsi,8),%rax
  movss  %xmm1,(%r15,%rsi,4)
  add    $0x1,%rsi
  movss  %xmm1,(%rax,%r13,1)
  cmp    %rsi,%r14
  jne    L0
  add    $0x1,%r14
  add    $0x4,%r13
  cmp    %r14,0x8(%rsp)
  jne    L113
L27:
  add    $0x18,%rsp
  mov    %r12d,%edx
  mov    $0x1,%esi
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  jmp    1060 <free_vector@plt>
  nopl   0x0(%rax)
L10:
  xor    %r8d,%r8d
  movaps %xmm3,%xmm1
  mov    $0x1,%eax
  jmp    L106
```

tool_calls: name: unpack_data
arguments: tag: D3
type: f32

tool: D3: 1

assistant: ```c
void svdvar(float **v, int ma, float w[], float **cvm) {
  int k, j, i;
  float sum, *wti;
  wti = vector(1, ma);
  for (i = 1; i <= ma; i++) {
    wti[i] = 0.0;
    if (w[i])
      wti[i] = 1.0 / (w[i] * w[i]);
  }
  for (i = 1; i <= ma; i++) {
    for (j = 1; j <= i; j++) {
      for (sum = 0.0, k = 1; k <= ma; k++)
        sum += v[i][k] * v[j][k] * wti[k];
      cvm[j][i] = cvm[i][j] = sum;
    }
  }
  free_vector(wti, 1, ma);
}
```