Java Code Examples for java.lang.Math#ceil()
The following examples show how to use
java.lang.Math#ceil() .
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Example 1
Source File: AG.java From KEEL with GNU General Public License v3.0 | 5 votes |
/** Inicialization of the population */ public void Initialize() { int i, j; last = (int) ( (prob_cruce * long_poblacion) - 0.5); Trials = 0; if (prob_mutacion < 1.0) { Mu_next = (int) Math.ceil(Math.log(Randomize.Rand()) / Math.log(1.0 - prob_mutacion)); } else { Mu_next = 1; } for (j = 0; j < n_genes; j++) { New[0].GeneSel[j] = '1'; } New[0].n_e = 1; for (i = 1; i < long_poblacion; i++) { for (j = 0; j < n_genes; j++) { if (Randomize.RandintClosed(0, 1) == 0) { New[i].GeneSel[j] = '0'; } else { New[i].GeneSel[j] = '1'; } } New[i].n_e = 1; } }
Example 2
Source File: AG.java From KEEL with GNU General Public License v3.0 | 5 votes |
void Mutacion_Uniforme() { int posiciones, i, j; double m; posiciones = n_genes * long_poblacion; if (prob_mutacion > 0) { while (Mu_next < posiciones) { /* we determinate the chromosome and the GeneSel */ i = Mu_next / n_genes; j = Mu_next % n_genes; /* we mutate the GeneSel */ if (New[i].GeneSel[j] == '0') { New[i].GeneSel[j] = '1'; } else { New[i].GeneSel[j] = '0'; } New[i].n_e = 1; /* we calculate the next position */ if (prob_mutacion < 1) { m = Randomize.Rand(); Mu_next += (int) Math.ceil(Math.log(m) / Math.log(1.0 - prob_mutacion)); } else { Mu_next += 1; } } } Mu_next -= posiciones; }
Example 3
Source File: MegaSdk.java From neembuu-uploader with GNU General Public License v3.0 | 5 votes |
public int[] str_to_a32(String b) { double str_len = (double) b.length(); double mult = 4.0; double rounded_val = Math.ceil(str_len / mult); int pad_length = ((int) rounded_val) * 4; String pad_with = "\0"; // Add padding, we need a string with a length multiple of 4 b = str_pad(b, pad_length, pad_with); return unpack(b.getBytes()); }
Example 4
Source File: Ceil.java From Llunatic with GNU General Public License v3.0 | 5 votes |
public Object ceil(Object param) throws ParseException { if (param instanceof Number) { return new Double(Math.ceil(((Number)param).doubleValue())); } throw new ParseException("Invalid parameter type"); }
Example 5
Source File: DrawCommand.java From fabric-carpet with MIT License | 4 votes |
private static int drawSphere(CommandContext<ServerCommandSource> ctx, boolean solid) throws CommandSyntaxException { BlockPos pos; int radius; BlockStateArgument block; Predicate<CachedBlockPosition> replacement; try { pos = getArg(ctx, BlockPosArgumentType::getBlockPos, "center"); radius = getArg(ctx, IntegerArgumentType::getInteger, "radius"); block = getArg(ctx, BlockStateArgumentType::getBlockState, "block"); replacement = getArg(ctx, BlockPredicateArgumentType::getBlockPredicate, "filter", true); } catch (ErrorHandled ignored) { return 0; } int affected = 0; ServerWorld world = ctx.getSource().getWorld(); double radiusX = radius+0.5; double radiusY = radius+0.5; double radiusZ = radius+0.5; final double invRadiusX = 1 / radiusX; final double invRadiusY = 1 / radiusY; final double invRadiusZ = 1 / radiusZ; final int ceilRadiusX = (int) Math.ceil(radiusX); final int ceilRadiusY = (int) Math.ceil(radiusY); final int ceilRadiusZ = (int) Math.ceil(radiusZ); BlockPos.Mutable mbpos = new BlockPos.Mutable(pos); List<BlockPos> list = Lists.newArrayList(); double nextXn = 0; forX: for (int x = 0; x <= ceilRadiusX; ++x) { final double xn = nextXn; nextXn = (x + 1) * invRadiusX; double nextYn = 0; forY: for (int y = 0; y <= ceilRadiusY; ++y) { final double yn = nextYn; nextYn = (y + 1) * invRadiusY; double nextZn = 0; forZ: for (int z = 0; z <= ceilRadiusZ; ++z) { final double zn = nextZn; nextZn = (z + 1) * invRadiusZ; double distanceSq = lengthSq(xn, yn, zn); if (distanceSq > 1) { if (z == 0) { if (y == 0) { break forX; } break forY; } break forZ; } if (!solid && lengthSq(nextXn, yn, zn) <= 1 && lengthSq(xn, nextYn, zn) <= 1 && lengthSq(xn, yn, nextZn) <= 1) { continue; } CarpetSettings.impendingFillSkipUpdates = !CarpetSettings.fillUpdates; for (int xmod = -1; xmod < 2; xmod += 2) { for (int ymod = -1; ymod < 2; ymod += 2) { for (int zmod = -1; zmod < 2; zmod += 2) { affected+= setBlock(world, mbpos, pos.getX() + xmod * x, pos.getY() + ymod * y, pos.getZ() + zmod * z, block, replacement, list ); } } } CarpetSettings.impendingFillSkipUpdates = false; } } } if (CarpetSettings.fillUpdates) { list.forEach(blockpos1 -> world.updateNeighbors(blockpos1, world.getBlockState(blockpos1).getBlock())); } Messenger.m(ctx.getSource(), "gi Filled " + affected + " blocks"); return affected; }
Example 6
Source File: AG_Tun.java From KEEL with GNU General Public License v3.0 | 4 votes |
/** Inicialization of the population */ public void Initialize() { int i, j, temp, mitad_Pob; double Valor_Inicial_Sigma = 0.001; if (prob_mutacion < 1.0) { Mu_next = (int) Math.ceil(Math.log(Randomize.Rand()) / Math.log(1.0 - prob_mutacion)); } else { Mu_next = 1; } Trials = 0; /* Los conjuntos difusos de los antecedentes de las reglas constituyen la primera parte del primer cromosoma de la poblacion inicial. Se inicializa C1 en el primer cromosoma. */ New[0].n_e = 1; primer_gen_C2 = 0; for (i = 0; i < base_reglas.n_reglas; i++) { for (j = 0; j < tabla.n_var_estado; j++) { New[0].Gene[primer_gen_C2] = base_reglas.BaseReglas[i].Ant[j].x0; New[0].Gene[primer_gen_C2 + 1] = base_reglas.BaseReglas[i].Ant[j].x1; New[0].Gene[primer_gen_C2 + 2] = base_reglas.BaseReglas[i].Ant[j].x3; primer_gen_C2 += 3; } } /* Se establecen los intervalos en los que varia cada gen de la primera parte en la primera generacion */ for (i = 0; i < primer_gen_C2; i += 3) { intervalos[i].min = New[0].Gene[i] - (New[0].Gene[i + 1] - New[0].Gene[i]) / 2.0; intervalos[i].max = New[0].Gene[i] + (New[0].Gene[i + 1] - New[0].Gene[i]) / 2.0; intervalos[i + 1].min = New[0].Gene[i + 1] - (New[0].Gene[i + 1] - New[0].Gene[i]) / 2.0; intervalos[i + 1].max = New[0].Gene[i + 1] + (New[0].Gene[i + 2] - New[0].Gene[i + 1]) / 2.0; intervalos[i + 2].min = New[0].Gene[i + 2] - (New[0].Gene[i + 2] - New[0].Gene[i + 1]) / 2.0; intervalos[i + 2].max = New[0].Gene[i + 2] + (New[0].Gene[i + 2] - New[0].Gene[i + 1]) / 2.0; } /* Se inicializa la segunda parte del primer cromosoma con los parametros de los consecuentes de las reglas de la BC inicial, junto con los inter- valos correspondientes */ for (i = 0; i < base_reglas.n_reglas; i++) { for (j = 0; j < tabla.n_variables; j++) { temp = primer_gen_C2 + i * (tabla.n_variables) + j; New[0].Gene[temp] = Math.atan(base_reglas.BaseReglas[i].Cons[j]); intervalos[temp].min = (-1.0 * PI / 2.0) + 1E-10; intervalos[temp].max = (PI / 2.0) - 1E-10; } } /* Se genera la segunda mitad de la poblacion inicial generando aleatoriamen- te C1 y manteniendo C2 */ mitad_Pob = (int) Math.ceil(long_poblacion / 2.0); for (i = 1; i < mitad_Pob; i++) { for (j = 0; j < primer_gen_C2; j++) { New[i].Gene[j] = intervalos[j].min + Randomize.Randdouble(intervalos[j].min, intervalos[j].max); } for (j = primer_gen_C2; j < n_genes; j++) { New[i].Gene[j] = New[0].Gene[j]; } New[i].n_e = 1; } /* Se genera el resto de la poblacion inicial generando aleatoriamente C1 a partir de los intervalos anteriores y mutando C2 */ for (i = mitad_Pob; i < long_poblacion; i++) { for (j = 0; j < primer_gen_C2; j++) { New[i].Gene[j] = intervalos[j].min + Randomize.Randdouble(intervalos[j].min, intervalos[j].max); } for (j = primer_gen_C2; j < n_genes; j++) { /* Comprobamos que no se salgan del intervalo permitido [-PI/2,PI/2] */ do { New[i].Gene[j] = New[0].Gene[j] + ValorNormal(Valor_Inicial_Sigma); } while (New[i].Gene[j] <= (-1.0 * PI / 2.0) || New[i].Gene[j] >= (PI / 2.0)); } New[i].n_e = 1; } }
Example 7
Source File: AG_Tun.java From KEEL with GNU General Public License v3.0 | 4 votes |
/** Mutation Non Uniform */ public void Mutacion_No_Uniforme(long Gen, long n_generaciones) { int posiciones, i, j; double nval, m; posiciones = n_genes * long_poblacion; if (prob_mutacion > 0) { while (Mu_next < posiciones) { /* we determinate the chromosome and the gene */ i = Mu_next / n_genes; j = Mu_next % n_genes; /* Se determinan los intervalos de mutacion de ese gen y se calcula el valor mutado */ if (j >= primer_gen_C2) { /* Consecuente: muta en [-PI/2,PI/2] */ intervalo_mut.min = intervalos[j].min; intervalo_mut.max = intervalos[j].max; } else { switch (j % 3) { case 0: /* Punto izquierdo: muta en [intervalos[j].min,cromosoma[j+1]] */ intervalo_mut.min = intervalos[j].min; intervalo_mut.max = New[i].Gene[j + 1]; break; case 1: /* Punto central: muta en [cromosoma[j-1],cromosoma[j+1]] */ intervalo_mut.min = New[i].Gene[j - 1]; intervalo_mut.max = New[i].Gene[j + 1]; break; case 2: /* Punto derecho: muta en [cromosoma[j-1],intervalos[j].max] */ intervalo_mut.min = New[i].Gene[j - 1]; intervalo_mut.max = intervalos[j].max; break; } } /* we mutate the gene */ if (Randomize.Rand() < 0.5) { nval = New[i].Gene[j] + delta(Gen, intervalo_mut.max - New[i].Gene[j], n_generaciones); } else { nval = New[i].Gene[j] - delta(Gen, New[i].Gene[j] - intervalo_mut.min, n_generaciones); } New[i].Gene[j] = nval; New[i].n_e = 1; /* we calculate the next position */ if (prob_mutacion < 1) { m = Randomize.Rand(); Mu_next += (int) Math.ceil(Math.log(m) / Math.log(1.0 - prob_mutacion)); } else { Mu_next += 1; } } Mu_next -= posiciones; } }
Example 8
Source File: SystemFunctions.java From incubator-retired-mrql with Apache License 2.0 | votes |
public static MR_double ceil ( MR_double x ) { return new MR_double(Math.ceil(x.get())); }