diff options
Diffstat (limited to 'src/integral.c')
| -rw-r--r-- | src/integral.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/src/integral.c b/src/integral.c index d2ae11f..f791803 100644 --- a/src/integral.c +++ b/src/integral.c @@ -5,8 +5,7 @@ double accrc = 10000.0; // интеграл прямоугольниками -double int_rect(f_t f, double a, double b) { - // f(x + dx/2) * dx +double int_rect(func_t f, double a, double b) { const double dx = (b-a) / accrc; const double dx_2 = dx / 2.0; double sum = 0.0; @@ -16,8 +15,7 @@ double int_rect(f_t f, double a, double b) { } // интеграл трапециями -double int_trap(f_t f, double a, double b) { - // ( f(x) + f(x+dx) )/2 * dx +double int_trap(func_t f, double a, double b) { const double dx = (b-a) / accrc; double sum = 0.0; for (double i = a; i < b; i += dx) @@ -26,7 +24,7 @@ double int_trap(f_t f, double a, double b) { } // интегрирование параболами -double int_simp(f_t f, double a, double b) { +double int_simp(func_t f, double a, double b) { const double dx = (b-a) / accrc; const double dx_2 = dx / 2; const double dx_6 = dx / 6; |